Merge branch 'dev'

New single thread benchmark and online benchmark refactoring

CHANGELOG.md

@@ -1,3 +1,133 @@
+# v6.6.0
+- Online benchmark protocol upgraded to v2, validation not compatible with previous versions.
+  - Single thread benchmark now is cheat-resistant, not possible speedup it with multiple threads.
+  - RandomX dataset is now always initialized with static seed, to prevent time cheat by report slow dataset initialization.
+  - Zero delay online submission, to make time validation much more precise and strict.
+  - DNS cache for online benchmark to prevent unexpected delays.
+
+# v6.5.3
+- [#1946](https://github.com/xmrig/xmrig/pull/1946) Fixed MSR mod names in JSON API (v6.5.2 affected).
+
+# v6.5.2
+- [#1935](https://github.com/xmrig/xmrig/pull/1935) Separate MSR mod for Zen/Zen2 and Zen3.
+- [#1937](https://github.com/xmrig/xmrig/issues/1937) Print path to existing WinRing0 service without verbose option.
+- [#1939](https://github.com/xmrig/xmrig/pull/1939) Fixed build with gcc 4.8.
+- [#1941](https://github.com/xmrig/xmrig/pull/1941) Added CPUID info to JSON report.
+- [#1941](https://github.com/xmrig/xmrig/pull/1942) Fixed alignment modification in memory pool.
+- [#1944](https://github.com/xmrig/xmrig/pull/1944) Updated `randomx_boost.sh` with new MSR mod.
+- Added `250K` and `500K` offline benchmarks.
+
+# v6.5.1
+- [#1932](https://github.com/xmrig/xmrig/pull/1932) New MSR mod for Ryzen, up to +3.5% on Zen2 and +1-2% on Zen3.
+- [#1918](https://github.com/xmrig/xmrig/issues/1918) Fixed 1GB huge pages support on ARMv8.
+- [#1926](https://github.com/xmrig/xmrig/pull/1926) Fixed compilation on ARMv8 with GCC 9.3.0.
+- [#1929](https://github.com/xmrig/xmrig/issues/1929) Fixed build without HTTP.
+
+# v6.5.0
+- **Added [online benchmark](https://xmrig.com/benchmark) mode for sharing results.**
+  - Added new command line options: `--submit`, `	--verify=ID`, `	--seed=SEED`, `--hash=HASH`.
+- [#1912](https://github.com/xmrig/xmrig/pull/1912) Fixed MSR kernel module warning with new Linux kernels.
+- [#1925](https://github.com/xmrig/xmrig/pull/1925) Add checking for config files in user home directory.
+- Added vendor to ARM CPUs name and added `"arch"` field to API.
+- Removed legacy CUDA plugin API.
+
+# v6.4.0
+- [#1862](https://github.com/xmrig/xmrig/pull/1862) **RandomX: removed `rx/loki` algorithm.**
+- [#1890](https://github.com/xmrig/xmrig/pull/1890) **Added `argon2/chukwav2` algorithm.**
+- [#1895](https://github.com/xmrig/xmrig/pull/1895) [#1897](https://github.com/xmrig/xmrig/pull/1897) **Added [benchmark and stress test](https://github.com/xmrig/xmrig/blob/dev/doc/BENCHMARK.md).**
+- [#1864](https://github.com/xmrig/xmrig/pull/1864) RandomX: improved software AES performance.
+- [#1870](https://github.com/xmrig/xmrig/pull/1870) RandomX: fixed unexpected resume due to disconnect during dataset init.
+- [#1872](https://github.com/xmrig/xmrig/pull/1872) RandomX: fixed `randomx_create_vm` call.
+- [#1875](https://github.com/xmrig/xmrig/pull/1875) RandomX: fixed crash on x86.
+- [#1876](https://github.com/xmrig/xmrig/pull/1876) RandomX: added `huge-pages-jit` config parameter.
+- [#1881](https://github.com/xmrig/xmrig/pull/1881) Fixed possible race condition in hashrate counting code.
+- [#1882](https://github.com/xmrig/xmrig/pull/1882) [#1886](https://github.com/xmrig/xmrig/pull/1886) [#1887](https://github.com/xmrig/xmrig/pull/1887) [#1893](https://github.com/xmrig/xmrig/pull/1893) General code improvements.
+- [#1885](https://github.com/xmrig/xmrig/pull/1885) Added more precise hashrate calculation.
+- [#1889](https://github.com/xmrig/xmrig/pull/1889) Fixed libuv performance issue on Linux.
+
+# v6.3.5
+- [#1845](https://github.com/xmrig/xmrig/pull/1845) [#1861](https://github.com/xmrig/xmrig/pull/1861) Fixed ARM build and added CMake option `WITH_SSE4_1`.
+- [#1846](https://github.com/xmrig/xmrig/pull/1846) KawPow: fixed OpenCL memory leak.
+- [#1849](https://github.com/xmrig/xmrig/pull/1849) [#1859](https://github.com/xmrig/xmrig/pull/1859) RandomX: optimized soft AES code.
+- [#1850](https://github.com/xmrig/xmrig/pull/1850) [#1852](https://github.com/xmrig/xmrig/pull/1852) General code improvements.
+- [#1853](https://github.com/xmrig/xmrig/issues/1853) [#1856](https://github.com/xmrig/xmrig/pull/1856) [#1857](https://github.com/xmrig/xmrig/pull/1857) Fixed crash on old CPUs.
+
+# v6.3.4
+- [#1823](https://github.com/xmrig/xmrig/pull/1823) RandomX: added new option `scratchpad_prefetch_mode`.
+- [#1827](https://github.com/xmrig/xmrig/pull/1827) [#1831](https://github.com/xmrig/xmrig/pull/1831) Improved nonce iteration performance.
+- [#1828](https://github.com/xmrig/xmrig/pull/1828) RandomX: added SSE4.1-optimized Blake2b.
+- [#1830](https://github.com/xmrig/xmrig/pull/1830) RandomX: added performance profiler (for developers).
+- [#1835](https://github.com/xmrig/xmrig/pull/1835) RandomX: returned old soft AES implementation and added auto-select between the two.
+- [#1840](https://github.com/xmrig/xmrig/pull/1840) RandomX: moved more stuff to compile time, small x86 JIT compiler speedup.
+- [#1841](https://github.com/xmrig/xmrig/pull/1841) Fixed Cryptonight OpenCL for AMD 20.7.2 drivers.
+- [#1842](https://github.com/xmrig/xmrig/pull/1842) RandomX: AES improvements, a bit faster hardware AES code when compiled with MSVC.
+- [#1843](https://github.com/xmrig/xmrig/pull/1843) RandomX: improved performance of GCC compiled binaries.
+
+# v6.3.3
+- [#1817](https://github.com/xmrig/xmrig/pull/1817) Fixed self-select login sequence.
+- Added brand new [build from source](https://xmrig.com/docs/miner/build) documentation.
+- New binary downloads for macOS (`macos-x64`), FreeBSD (`freebsd-static-x64`), Linux (`linux-static-x64`), Ubuntu 18.04 (`bionic-x64`), Ubuntu 20.04 (`focal-x64`).
+- Generic Linux download `xenial-x64` renamed to `linux-x64`.
+- Builds without SSL/TLS support are no longer provided.
+- Improved CUDA loader error reporting and fixed plugin load on Linux.
+- Fixed build warnings with Clang compiler.
+- Fixed colors on macOS.
+
+# v6.3.2
+- [#1794](https://github.com/xmrig/xmrig/pull/1794) More robust 1 GB pages handling.
+  - Don't allocate 1 GB per thread if 1 GB is the default huge page size.
+  - Try to allocate scratchpad from dataset's 1 GB huge pages, if normal huge pages are not available.
+  - Correctly initialize RandomX cache if 1 GB pages fail to allocate on a first NUMA node.
+- [#1806](https://github.com/xmrig/xmrig/pull/1806) Fixed macOS battery detection.
+- [#1809](https://github.com/xmrig/xmrig/issues/1809) Improved auto configuration on ARM CPUs.
+  - Added retrieving ARM CPU names, based on lscpu code and database.
+
+# v6.3.1
+- [#1786](https://github.com/xmrig/xmrig/pull/1786) Added `pause-on-battery` option, supported on Windows and Linux.
+- Added command line options `--randomx-cache-qos` and `--argon2-impl`.
+
+# v6.3.0
+- [#1771](https://github.com/xmrig/xmrig/pull/1771) Adopted new SSE2NEON and reduced ARM-specific changes.
+- [#1774](https://github.com/xmrig/xmrig/pull/1774) RandomX: Added new option `cache_qos` in `randomx` object for cache QoS support.
+- [#1777](https://github.com/xmrig/xmrig/pull/1777) Added support for upcoming Haven offshore fork.
+  - [#1780](https://github.com/xmrig/xmrig/pull/1780) CryptoNight OpenCL: fix for long input data.
+
+# v6.2.3
+- [#1745](https://github.com/xmrig/xmrig/pull/1745) AstroBWT: fixed OpenCL compilation on some systems.
+- [#1749](https://github.com/xmrig/xmrig/pull/1749) KawPow: optimized CPU share verification.
+- [#1752](https://github.com/xmrig/xmrig/pull/1752) RandomX: added error message when MSR mod fails.
+- [#1754](https://github.com/xmrig/xmrig/issues/1754) Fixed GPU health readings for pre Vega GPUs on Linux.
+- [#1756](https://github.com/xmrig/xmrig/issues/1756) Added results and connection reports.
+- [#1759](https://github.com/xmrig/xmrig/pull/1759) KawPow: fixed DAG initialization on slower AMD GPUs.
+- [#1763](https://github.com/xmrig/xmrig/pull/1763) KawPow: fixed rare duplicate share errors.
+- [#1766](https://github.com/xmrig/xmrig/pull/1766) RandomX: small speedup on Ryzen CPUs.
+
+# v6.2.2
+- [#1742](https://github.com/xmrig/xmrig/issues/1742) Fixed crash when use HTTP API.
+
+# v6.2.1
+- [#1726](https://github.com/xmrig/xmrig/issues/1726) Fixed detection of AVX2/AVX512.
+- [#1728](https://github.com/xmrig/xmrig/issues/1728) Fixed, 32 bit Windows builds was crash on start.
+- [#1729](https://github.com/xmrig/xmrig/pull/1729) Fixed KawPow crash on old CPUs.
+- [#1730](https://github.com/xmrig/xmrig/pull/1730) Improved displaying information for compute errors on GPUs.
+- [#1732](https://github.com/xmrig/xmrig/pull/1732) Fixed NiceHash disconnects for KawPow.
+- Fixed AMD GPU health (temperatures/power/clocks/fans) readings on Linux.
+
+# v6.2.0-beta
+- [#1717](https://github.com/xmrig/xmrig/pull/1717) Added new algorithm `cn/ccx` for Conceal.
+- [#1718](https://github.com/xmrig/xmrig/pull/1718) Fixed, linker on Linux was marking entire executable as having an executable stack.
+- [#1720](https://github.com/xmrig/xmrig/pull/1720) Fixed broken CryptoNight algorithms family with gcc 10.1.
+
+# v6.0.1-beta
+- [#1708](https://github.com/xmrig/xmrig/issues/1708) Added `title` option.
+- [#1711](https://github.com/xmrig/xmrig/pull/1711) [cuda] Print errors from KawPow DAG initialization.
+- [#1713](https://github.com/xmrig/xmrig/pull/1713) [cuda] Reduced memory usage for KawPow, minimum CUDA plugin version now is 6.1.0.
+
+# v6.0.0-beta
+- [#1694](https://github.com/xmrig/xmrig/pull/1694) Added support for KawPow algorithm (Ravencoin) on AMD/NVIDIA.
+- Removed previously deprecated `cn/gpu` algorithm.
+- Default donation level reduced to 1% but you still can increase it if you like.
+
 # v5.11.3
 - [#1718](https://github.com/xmrig/xmrig/pull/1718) Fixed, linker on Linux was marking entire executable as having an executable stack.
 - [#1720](https://github.com/xmrig/xmrig/pull/1720) Fixed broken CryptoNight algorithms family with gcc 10.1.

CMakeLists.txt

@@ -6,10 +6,10 @@ option(WITH_HWLOC           "Enable hwloc support" ON)
 option(WITH_CN_LITE         "Enable CryptoNight-Lite algorithms family" ON)
 option(WITH_CN_HEAVY        "Enable CryptoNight-Heavy algorithms family" ON)
 option(WITH_CN_PICO         "Enable CryptoNight-Pico algorithm" ON)
-option(WITH_CN_GPU          "Enable CryptoNight-GPU algorithm" OFF)
 option(WITH_RANDOMX         "Enable RandomX algorithms family" ON)
 option(WITH_ARGON2          "Enable Argon2 algorithms family" ON)
 option(WITH_ASTROBWT        "Enable AstroBWT algorithms family" ON)
+option(WITH_KAWPOW          "Enable KawPow algorithms family" ON)
 option(WITH_HTTP            "Enable HTTP protocol support (client/server)" ON)
 option(WITH_DEBUG_LOG       "Enable debug log output" OFF)
 option(WITH_TLS             "Enable OpenSSL support" ON)
@@ -23,6 +23,9 @@ option(WITH_NVML            "Enable NVML (NVIDIA Management Library) support (on
 option(WITH_ADL             "Enable ADL (AMD Display Library) or sysfs support (only if OpenCL backend enabled)" ON)
 option(WITH_STRICT_CACHE    "Enable strict checks for OpenCL cache" ON)
 option(WITH_INTERLEAVE_DEBUG_LOG "Enable debug log for threads interleave" OFF)
+option(WITH_PROFILING       "Enable profiling for developers" OFF)
+option(WITH_SSE4_1          "Enable SSE 4.1 for Blake2" ON)
+option(WITH_BENCHMARK       "Enable builtin RandomX benchmark and stress test" ON)
 
 option(BUILD_STATIC         "Build static binary" OFF)
 option(ARM_TARGET           "Force use specific ARM target 8 or 7" 0)
@@ -143,6 +146,8 @@ elseif (XMRIG_OS_APPLE)
         src/App_unix.cpp
         src/crypto/common/VirtualMemory_unix.cpp
         )
+    find_library(IOKIT_LIBRARY IOKit)
+    set(EXTRA_LIBS ${IOKIT_LIBRARY})
 else()
     list(APPEND SOURCES_OS
         src/App_unix.cpp
@@ -163,8 +168,8 @@ else()
     endif()
 endif()
 
-add_definitions(/D__STDC_FORMAT_MACROS)
-add_definitions(/DUNICODE)
+add_definitions(-DXMRIG_MINER_PROJECT)
+add_definitions(-D__STDC_FORMAT_MACROS -DUNICODE)
 
 find_package(UV REQUIRED)
 
@@ -172,9 +177,9 @@ include(cmake/flags.cmake)
 include(cmake/randomx.cmake)
 include(cmake/argon2.cmake)
 include(cmake/astrobwt.cmake)
+include(cmake/kawpow.cmake)
 include(cmake/OpenSSL.cmake)
 include(cmake/asm.cmake)
-include(cmake/cn-gpu.cmake)
 
 if (WITH_CN_LITE)
     add_definitions(/DXMRIG_ALGO_CN_LITE)
@@ -196,18 +201,19 @@ include_directories(src)
 include_directories(src/3rdparty)
 include_directories(${UV_INCLUDE_DIR})
 
-if (BUILD_STATIC)
-    set(CMAKE_EXE_LINKER_FLAGS " -static")
-endif()
-
 if (WITH_DEBUG_LOG)
     add_definitions(/DAPP_DEBUG)
 endif()
 
-add_executable(${CMAKE_PROJECT_NAME} ${HEADERS} ${SOURCES} ${SOURCES_OS} ${SOURCES_CPUID} ${HEADERS_CRYPTO} ${SOURCES_CRYPTO} ${SOURCES_SYSLOG} ${TLS_SOURCES} ${XMRIG_ASM_SOURCES} ${CN_GPU_SOURCES})
-target_link_libraries(${CMAKE_PROJECT_NAME} ${XMRIG_ASM_LIBRARY} ${OPENSSL_LIBRARIES} ${UV_LIBRARIES} ${EXTRA_LIBS} ${CPUID_LIB} ${ARGON2_LIBRARY})
+add_executable(${CMAKE_PROJECT_NAME} ${HEADERS} ${SOURCES} ${SOURCES_OS} ${SOURCES_CPUID} ${HEADERS_CRYPTO} ${SOURCES_CRYPTO} ${SOURCES_SYSLOG} ${TLS_SOURCES} ${XMRIG_ASM_SOURCES})
+target_link_libraries(${CMAKE_PROJECT_NAME} ${XMRIG_ASM_LIBRARY} ${OPENSSL_LIBRARIES} ${UV_LIBRARIES} ${EXTRA_LIBS} ${CPUID_LIB} ${ARGON2_LIBRARY} ${ETHASH_LIBRARY})
 
 if (WIN32)
-    add_custom_command(TARGET ${CMAKE_PROJECT_NAME} POST_BUILD
-        COMMAND ${CMAKE_COMMAND} -E copy_if_different "${CMAKE_SOURCE_DIR}/bin/WinRing0/WinRing0x64.sys" $<TARGET_FILE_DIR:${CMAKE_PROJECT_NAME}>)
+    add_custom_command(TARGET ${CMAKE_PROJECT_NAME} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different "${CMAKE_SOURCE_DIR}/bin/WinRing0/WinRing0x64.sys" $<TARGET_FILE_DIR:${CMAKE_PROJECT_NAME}>)
+    add_custom_command(TARGET ${CMAKE_PROJECT_NAME} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different "${CMAKE_SOURCE_DIR}/scripts/benchmark_1M.cmd" $<TARGET_FILE_DIR:${CMAKE_PROJECT_NAME}>)
+    add_custom_command(TARGET ${CMAKE_PROJECT_NAME} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different "${CMAKE_SOURCE_DIR}/scripts/benchmark_10M.cmd" $<TARGET_FILE_DIR:${CMAKE_PROJECT_NAME}>)
+endif()
+
+if (CMAKE_CXX_COMPILER_ID MATCHES Clang AND CMAKE_BUILD_TYPE STREQUAL Release)
+    add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD COMMAND ${CMAKE_STRIP} ${CMAKE_PROJECT_NAME})
 endif()

README.md

@@ -2,128 +2,35 @@
 
 [![Github All Releases](https://img.shields.io/github/downloads/xmrig/xmrig/total.svg)](https://github.com/xmrig/xmrig/releases)
 [![GitHub release](https://img.shields.io/github/release/xmrig/xmrig/all.svg)](https://github.com/xmrig/xmrig/releases)
-[![GitHub Release Date](https://img.shields.io/github/release-date-pre/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/releases)
+[![GitHub Release Date](https://img.shields.io/github/release-date/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/releases)
 [![GitHub license](https://img.shields.io/github/license/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/blob/master/LICENSE)
 [![GitHub stars](https://img.shields.io/github/stars/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/network)
 
-XMRig High performance, open source, cross platform RandomX, CryptoNight, AstroBWT and Argon2 CPU/GPU miner, with official support for Windows.
+XMRig is a high performance, open source, cross platform RandomX, KawPow, CryptoNight and AstroBWT unified CPU/GPU miner and [RandomX benchmark](https://xmrig.com/benchmark). Official binaries are available for Windows, Linux, macOS and FreeBSD.
 
 ## Mining backends
-- **CPU** (x64/x86/ARM)
+- **CPU** (x64/ARMv8)
 - **OpenCL** for AMD GPUs.
 - **CUDA** for NVIDIA GPUs via external [CUDA plugin](https://github.com/xmrig/xmrig-cuda).
 
-<img src="doc/screenshot_v5_2_0.png" width="833" >
-
 ## Download
-* Binary releases: https://github.com/xmrig/xmrig/releases
-* Git tree: https://github.com/xmrig/xmrig.git
-  * Clone with `git clone https://github.com/xmrig/xmrig.git` :hammer: [Build instructions](https://github.com/xmrig/xmrig/wiki/Build).
+* **[Binary releases](https://github.com/xmrig/xmrig/releases)**
+* **[Build from source](https://xmrig.com/docs/miner/build)**
 
 ## Usage
-The preferred way to configure the miner is the [JSON config file](src/config.json) as it is more flexible and human friendly. The command line interface does not cover all features, such as mining profiles for different algorithms. Important options can be changed during runtime without miner restart by editing the config file or executing API calls.
+The preferred way to configure the miner is the [JSON config file](src/config.json) as it is more flexible and human friendly. The [command line interface](https://xmrig.com/docs/miner/command-line-options) does not cover all features, such as mining profiles for different algorithms. Important options can be changed during runtime without miner restart by editing the config file or executing API calls.
 
-* **[xmrig.com/wizard](https://xmrig.com/wizard)** helps you create initial configuration for the miner.
-* **[workers.xmrig.info](http://workers.xmrig.info)** helps manage your miners via HTTP API.
-
-### Command line options
-```
-Network:
-  -o, --url=URL                 URL of mining server
-  -a, --algo=ALGO               mining algorithm https://xmrig.com/docs/algorithms
-      --coin=COIN               specify coin instead of algorithm
-  -u, --user=USERNAME           username for mining server
-  -p, --pass=PASSWORD           password for mining server
-  -O, --userpass=U:P            username:password pair for mining server
-  -x, --proxy=HOST:PORT         connect through a SOCKS5 proxy
-  -k, --keepalive               send keepalive packet for prevent timeout (needs pool support)
-      --nicehash                enable nicehash.com support
-      --rig-id=ID               rig identifier for pool-side statistics (needs pool support)
-      --tls                     enable SSL/TLS support (needs pool support)
-      --tls-fingerprint=HEX     pool TLS certificate fingerprint for strict certificate pinning
-      --daemon                  use daemon RPC instead of pool for solo mining
-      --daemon-poll-interval=N  daemon poll interval in milliseconds (default: 1000)
-  -r, --retries=N               number of times to retry before switch to backup server (default: 5)
-  -R, --retry-pause=N           time to pause between retries (default: 5)
-      --user-agent              set custom user-agent string for pool
-      --donate-level=N          donate level, default 5%% (5 minutes in 100 minutes)
-      --donate-over-proxy=N     control donate over xmrig-proxy feature
-
-CPU backend:
-      --no-cpu                  disable CPU mining backend
-  -t, --threads=N               number of CPU threads
-  -v, --av=N                    algorithm variation, 0 auto select
-      --cpu-affinity            set process affinity to CPU core(s), mask 0x3 for cores 0 and 1
-      --cpu-priority            set process priority (0 idle, 2 normal to 5 highest)
-      --cpu-max-threads-hint=N  maximum CPU threads count (in percentage) hint for autoconfig
-      --cpu-memory-pool=N       number of 2 MB pages for persistent memory pool, -1 (auto), 0 (disable)
-      --cpu-no-yield            prefer maximum hashrate rather than system response/stability
-      --no-huge-pages           disable huge pages support
-      --asm=ASM                 ASM optimizations, possible values: auto, none, intel, ryzen, bulldozer
-      --randomx-init=N          thread count to initialize RandomX dataset
-      --randomx-no-numa         disable NUMA support for RandomX
-      --randomx-mode=MODE       RandomX mode: auto, fast, light
-      --randomx-1gb-pages       use 1GB hugepages for dataset (Linux only)
-      --randomx-wrmsr=N         write custom value (0-15) to Intel MSR register 0x1a4 or disable MSR mod (-1)
-      --randomx-no-rdmsr        disable reverting initial MSR values on exit
-      --astrobwt-max-size=N     skip hashes with large stage 2 size, default: 550, min: 400, max: 1200
-      --astrobwt-avx2           enable AVX2 optimizations for AstroBWT algorithm
-
-API:
-      --api-worker-id=ID        custom worker-id for API
-      --api-id=ID               custom instance ID for API
-      --http-host=HOST          bind host for HTTP API (default: 127.0.0.1)
-      --http-port=N             bind port for HTTP API
-      --http-access-token=T     access token for HTTP API
-      --http-no-restricted      enable full remote access to HTTP API (only if access token set)
-
-OpenCL backend:
-      --opencl                  enable OpenCL mining backend
-      --opencl-devices=N        comma separated list of OpenCL devices to use
-      --opencl-platform=N       OpenCL platform index or name
-      --opencl-loader=PATH      path to OpenCL-ICD-Loader (OpenCL.dll or libOpenCL.so)
-      --opencl-no-cache         disable OpenCL cache
-      --print-platforms         print available OpenCL platforms and exit
-
-CUDA backend:
-      --cuda                    enable CUDA mining backend
-      --cuda-loader=PATH        path to CUDA plugin (xmrig-cuda.dll or libxmrig-cuda.so)
-      --cuda-devices=N          comma separated list of CUDA devices to use
-      --cuda-bfactor-hint=N     bfactor hint for autoconfig (0-12)
-      --cuda-bsleep-hint=N      bsleep hint for autoconfig
-      --no-nvml                 disable NVML (NVIDIA Management Library) support
-
-TLS:
-      --tls-gen=HOSTNAME        generate TLS certificate for specific hostname
-      --tls-cert=FILE           load TLS certificate chain from a file in the PEM format
-      --tls-cert-key=FILE       load TLS certificate private key from a file in the PEM format
-      --tls-dhparam=FILE        load DH parameters for DHE ciphers from a file in the PEM format
-      --tls-protocols=N         enable specified TLS protocols, example: "TLSv1 TLSv1.1 TLSv1.2 TLSv1.3"
-      --tls-ciphers=S           set list of available ciphers (TLSv1.2 and below)
-      --tls-ciphersuites=S      set list of available TLSv1.3 ciphersuites
-
-Logging:
-  -S, --syslog                  use system log for output messages
-  -l, --log-file=FILE           log all output to a file
-      --print-time=N            print hashrate report every N seconds
-      --health-print-time=N     print health report every N seconds
-      --no-color                disable colored output
-      --verbose                 verbose output
-
-Misc:
-  -c, --config=FILE             load a JSON-format configuration file
-  -B, --background              run the miner in the background
-  -V, --version                 output version information and exit
-  -h, --help                    display this help and exit
-      --dry-run                 test configuration and exit
-      --export-topology         export hwloc topology to a XML file and exit
-```
+* **[Wizard](https://xmrig.com/wizard)** helps you create initial configuration for the miner.
+* **[Workers](http://workers.xmrig.info)** helps manage your miners via HTTP API.
 
 ## Donations
-* Default donation 5% (5 minutes in 100 minutes) can be reduced to 1% via option `donate-level` or disabled in source code.
+* Default donation 1% (1 minute in 100 minutes) can be increased via option `donate-level` or disabled in source code.
 * XMR: `48edfHu7V9Z84YzzMa6fUueoELZ9ZRXq9VetWzYGzKt52XU5xvqgzYnDK9URnRoJMk1j8nLwEVsaSWJ4fhdUyZijBGUicoD`
-* BTC: `1P7ujsXeX7GxQwHNnJsRMgAdNkFZmNVqJT`
+
+## Developers
+* **[xmrig](https://github.com/xmrig)**
+* **[sech1](https://github.com/SChernykh)**
 
 ## Contacts
 * support@xmrig.com

cmake/OpenSSL.cmake

@@ -10,6 +10,11 @@ if (WITH_TLS)
         set(OPENSSL_USE_STATIC_LIBS TRUE)
     endif()
 
+    if (BUILD_STATIC)
+        set(OPENSSL_USE_STATIC_LIBS TRUE)
+    endif()
+
+
     find_package(OpenSSL)
 
     if (OPENSSL_FOUND)

cmake/astrobwt.cmake

@@ -3,12 +3,10 @@ if (WITH_ASTROBWT)
 
     list(APPEND HEADERS_CRYPTO
         src/crypto/astrobwt/AstroBWT.h
-        src/crypto/astrobwt/sha3.h
     )
 
     list(APPEND SOURCES_CRYPTO
         src/crypto/astrobwt/AstroBWT.cpp
-        src/crypto/astrobwt/sha3.cpp
     )
 
     if (XMRIG_ARM)

cmake/cn-gpu.cmake

@@ -1,25 +0,0 @@
-if (WITH_CN_GPU AND CMAKE_SIZEOF_VOID_P EQUAL 8)
-
-    if (XMRIG_ARM)
-        set(CN_GPU_SOURCES src/crypto/cn/gpu/cn_gpu_arm.cpp)
-
-        if (CMAKE_CXX_COMPILER_ID MATCHES GNU OR CMAKE_CXX_COMPILER_ID MATCHES Clang)
-            set_source_files_properties(src/crypto/cn/gpu/cn_gpu_arm.cpp PROPERTIES COMPILE_FLAGS "-O3")
-        endif()
-    else()
-        set(CN_GPU_SOURCES src/crypto/cn/gpu/cn_gpu_avx.cpp src/crypto/cn/gpu/cn_gpu_ssse3.cpp)
-
-        if (CMAKE_CXX_COMPILER_ID MATCHES GNU OR CMAKE_CXX_COMPILER_ID MATCHES Clang)
-            set_source_files_properties(src/crypto/cn/gpu/cn_gpu_avx.cpp PROPERTIES COMPILE_FLAGS "-O3 -mavx2")
-            set_source_files_properties(src/crypto/cn/gpu/cn_gpu_ssse3.cpp PROPERTIES COMPILE_FLAGS "-O3")
-        elseif (CMAKE_CXX_COMPILER_ID MATCHES MSVC)
-            set_source_files_properties(src/crypto/cn/gpu/cn_gpu_avx.cpp PROPERTIES COMPILE_FLAGS "/arch:AVX")
-        endif()
-    endif()
-
-    add_definitions(/DXMRIG_ALGO_CN_GPU)
-else()
-    set(CN_GPU_SOURCES "")
-
-    remove_definitions(/DXMRIG_ALGO_CN_GPU)
-endif()

cmake/cpu.cmake

@@ -2,9 +2,10 @@ if (NOT CMAKE_SYSTEM_PROCESSOR)
     message(WARNING "CMAKE_SYSTEM_PROCESSOR not defined")
 endif()
 
-
-if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|AMD64)$")
+if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|AMD64)$" AND CMAKE_SIZEOF_VOID_P EQUAL 8)
     add_definitions(/DRAPIDJSON_SSE2)
+else()
+    set(WITH_SSE4_1 OFF)
 endif()
 
 if (NOT ARM_TARGET)
@@ -41,3 +42,7 @@ if (ARM_TARGET AND ARM_TARGET GREATER 6)
         add_definitions(/DXMRIG_ARMv7)
     endif()
 endif()
+
+if (WITH_SSE4_1)
+    add_definitions(/DXMRIG_FEATURE_SSE4_1)
+endif()

cmake/flags.cmake

@@ -45,6 +45,10 @@ if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
     endif()
 
+    if (BUILD_STATIC)
+        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
+    endif()
+
     add_definitions(/D_GNU_SOURCE)
 
     if (${CMAKE_VERSION} VERSION_LESS "3.1.0")
@@ -60,6 +64,9 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES MSVC)
     set(CMAKE_C_FLAGS_RELEASE "/MT /O2 /Oi /DNDEBUG /GL")
     set(CMAKE_CXX_FLAGS_RELEASE "/MT /O2 /Oi /DNDEBUG /GL")
 
+    set(CMAKE_C_FLAGS_RELWITHDEBINFO "/Ob1 /Zi /DRELWITHDEBINFO")
+    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/Ob1 /Zi /DRELWITHDEBINFO")
+
     add_definitions(/D_CRT_SECURE_NO_WARNINGS)
     add_definitions(/D_CRT_NONSTDC_NO_WARNINGS)
     add_definitions(/DNOMINMAX)
@@ -89,6 +96,10 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
         endif()
     endif()
 
+    if (BUILD_STATIC)
+        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
+    endif()
+
 endif()
 
 if (NOT WIN32)

cmake/kawpow.cmake

@@ -0,0 +1,19 @@
+if (WITH_KAWPOW)
+    add_definitions(/DXMRIG_ALGO_KAWPOW)
+
+    list(APPEND HEADERS_CRYPTO
+        src/crypto/kawpow/KPCache.h
+        src/crypto/kawpow/KPHash.h
+    )
+
+    list(APPEND SOURCES_CRYPTO
+        src/crypto/kawpow/KPCache.cpp
+        src/crypto/kawpow/KPHash.cpp
+    )
+
+    add_subdirectory(src/3rdparty/libethash)
+    set(ETHASH_LIBRARY ethash)
+else()
+    remove_definitions(/DXMRIG_ALGO_KAWPOW)
+    set(ETHASH_LIBRARY "")
+endif()

cmake/randomx.cmake

@@ -62,6 +62,18 @@ if (WITH_RANDOMX)
             )
         # cheat because cmake and ccache hate each other
         set_property(SOURCE src/crypto/randomx/jit_compiler_a64_static.S PROPERTY LANGUAGE C)
+    else()
+        list(APPEND SOURCES_CRYPTO
+             src/crypto/randomx/jit_compiler_fallback.cpp
+            )
+    endif()
+
+    if (WITH_SSE4_1)
+        list(APPEND SOURCES_CRYPTO src/crypto/randomx/blake2/blake2b_sse41.c)
+
+        if (CMAKE_C_COMPILER_ID MATCHES GNU OR CMAKE_C_COMPILER_ID MATCHES Clang)
+            set_source_files_properties(src/crypto/randomx/blake2/blake2b_sse41.c PROPERTIES COMPILE_FLAGS -msse4.1)
+        endif()
     endif()
 
     if (CMAKE_CXX_COMPILER_ID MATCHES Clang)

doc/ALGORITHMS.md

@@ -6,38 +6,40 @@ Algorithm can be defined in 3 ways:
 2. Per pool `coin` option, currently only usable values for this option is `monero` and `arqma`.
 3. Per pool `algo` option.
 
-Option `coin` useful for pools without algorithm negotiation support or daemon to allow automatically switch algorithm in next hard fork.
+Option `coin` useful for pools without [algorithm negotiation](https://xmrig.com/docs/extensions/algorithm-negotiation) support or daemon to allow automatically switch algorithm in next hard fork. If you use xmrig-proxy don't need specify algorithm on miner side.
 
 ## Algorithm names
 
-| Name | Memory | Version | Notes |
-|------|--------|---------|-------|
-| `rx/sfx` | 2 MB | 5.4.0+ | RandomSFX (RandomX variant for Safex). |
-| `rx/v` | 2 MB | 5.4.0+ | RandomV (RandomX variant for new MoneroV). |
-| `rx/arq` | 256 KB | 4.3.0+ | RandomARQ (RandomX variant for ArQmA). |
-| `rx/0` | 2 MB | 3.2.0+ | RandomX (Monero). |
-| `argon2/chukwa` | 512 KB | 3.1.0+ | Argon2id (Chukwa). |
-| `argon2/wrkz` | 256 KB | 3.1.0+ | Argon2id (WRKZ) |
-| `rx/wow` | 1 MB | 3.0.0+ | RandomWOW (RandomX variant for Wownero). |
-| `rx/loki` | 2 MB | 3.0.0+ | RandomXL (RandomX variant for Loki). |
-| `cn/fast` | 2 MB | 3.0.0+ | CryptoNight variant 1 with half iterations. |
-| `cn/rwz` | 2 MB | 2.14.0+ | CryptoNight variant 2 with 3/4 iterations and reversed shuffle operation. |
-| `cn/zls` | 2 MB | 2.14.0+ | CryptoNight variant 2 with 3/4 iterations. |
-| `cn/double` | 2 MB | 2.14.0+ | CryptoNight variant 2 with double iterations. |
-| `cn/r` | 2 MB | 2.13.0+ | CryptoNightR (Monero's variant 4). |
-| `cn/gpu` | 2 MB | 2.11.0+ | CryptoNight-GPU. |
-| `cn-pico` | 256 KB | 2.10.0+ | CryptoNight-Pico. |
-| `cn/half` | 2 MB | 2.9.0+ | CryptoNight variant 2 with half iterations. |
-| `cn/2` | 2 MB | 2.8.0+ | CryptoNight variant 2. |
-| `cn/xao` | 2 MB | 2.6.4+ | CryptoNight variant 0 (modified). |
-| `cn/rto` | 2 MB | 2.6.4+ | CryptoNight variant 1 (modified). |
-| `cn-heavy/tube` | 4 MB | 2.6.4+ | CryptoNight-Heavy (modified). |
-| `cn-heavy/xhv` | 4 MB | 2.6.3+ | CryptoNight-Heavy (modified). |
-| `cn-heavy/0` | 4 MB | 2.6.0+ | CryptoNight-Heavy. |
-| `cn/1` | 2 MB | 2.5.0+ | CryptoNight variant 1. |
-| `cn-lite/1` | 1 MB | 2.5.0+ | CryptoNight-Lite variant 1. |
-| `cn-lite/0` | 1 MB | 0.8.0+ | CryptoNight-Lite variant 0. |
-| `cn/0` | 2 MB | 0.5.0+ | CryptoNight (original). |
+| Name | Memory | Version | Description | Notes |
+|------|--------|---------|-------------|-------|
+| `kawpow` | - | 6.0.0+ | KawPow (Ravencoin) | GPU only |
+| `rx/keva` | 1 MB | 5.9.0+ | RandomKEVA (RandomX variant for Keva). |  |
+| `astrobwt` | 20 MB | 5.8.0+ | AstroBWT (Dero). |  |
+| `cn-pico/tlo` | 256 KB | 5.5.0+ | CryptoNight-Pico (Talleo). |  |
+| `rx/sfx` | 2 MB | 5.4.0+ | RandomSFX (RandomX variant for Safex). |  |
+| `rx/arq` | 256 KB | 4.3.0+ | RandomARQ (RandomX variant for ArQmA). |  |
+| `rx/0` | 2 MB | 3.2.0+ | RandomX (Monero). |  |
+| `argon2/chukwa` | 512 KB | 3.1.0+ | Argon2id (Chukwa). | CPU only |
+| `argon2/wrkz` | 256 KB | 3.1.0+ | Argon2id (WRKZ) | CPU only |
+| `rx/wow` | 1 MB | 3.0.0+ | RandomWOW (RandomX variant for Wownero). |  |
+| `rx/loki` | 2 MB | 3.0.0+ | RandomXL (RandomX variant for Loki). |  |
+| `cn/fast` | 2 MB | 3.0.0+ | CryptoNight variant 1 with half iterations. |  |
+| `cn/rwz` | 2 MB | 2.14.0+ | CryptoNight variant 2 with 3/4 iterations and reversed shuffle operation. |  |
+| `cn/zls` | 2 MB | 2.14.0+ | CryptoNight variant 2 with 3/4 iterations. |  |
+| `cn/double` | 2 MB | 2.14.0+ | CryptoNight variant 2 with double iterations. |  |
+| `cn/r` | 2 MB | 2.13.0+ | CryptoNightR (Monero's variant 4). |  |
+| `cn-pico` | 256 KB | 2.10.0+ | CryptoNight-Pico. |  |
+| `cn/half` | 2 MB | 2.9.0+ | CryptoNight variant 2 with half iterations. |  |
+| `cn/2` | 2 MB | 2.8.0+ | CryptoNight variant 2. |  |
+| `cn/xao` | 2 MB | 2.6.4+ | CryptoNight variant 0 (modified). |  |
+| `cn/rto` | 2 MB | 2.6.4+ | CryptoNight variant 1 (modified). |  |
+| `cn-heavy/tube` | 4 MB | 2.6.4+ | CryptoNight-Heavy (modified). |  |
+| `cn-heavy/xhv` | 4 MB | 2.6.3+ | CryptoNight-Heavy (modified). |  |
+| `cn-heavy/0` | 4 MB | 2.6.0+ | CryptoNight-Heavy. |  |
+| `cn/1` | 2 MB | 2.5.0+ | CryptoNight variant 1. |  |
+| `cn-lite/1` | 1 MB | 2.5.0+ | CryptoNight-Lite variant 1. |  |
+| `cn-lite/0` | 1 MB | 0.8.0+ | CryptoNight-Lite variant 0. |  |
+| `cn/0` | 2 MB | 0.5.0+ | CryptoNight (original). |  |
 
 ## Migration to v3
 Since version 3 mining [algorithm](#algorithm-names) should specified for each pool separately (`algo` option), earlier versions was use one global `algo` option and per pool `variant` option (this option was removed in v3). If your pool support [mining algorithm negotiation](https://github.com/xmrig/xmrig-proxy/issues/168) you may not specify this option at all.

doc/BENCHMARK.md

@@ -0,0 +1,29 @@
+# Embedded benchmark
+
+You can run with XMRig with the following commands:
+```
+xmrig --bench=1M
+xmrig --bench=10M
+xmrig --bench=1M -a rx/wow
+xmrig --bench=10M -a rx/wow
+```
+This will run between 1 and 10 million RandomX hashes, depending on `bench` parameter, and print the time it took. First two commands use Monero variant (2 MB per thread, best for Zen2/Zen3 CPUs), second two commands use Wownero variant (1 MB per thread, useful for Intel and 1st gen Zen/Zen+ CPUs).
+
+Checksum of all the hashes will be also printed to check stability of your hardware: if it's green then it's correct, if it's red then there was hardware error during computation. No Internet connection is required for the benchmark.
+
+Double check that you see `Huge pages 100%` both for dataset and for all threads, and also check for `msr register values ... has been set successfully` - without this result will be far from the best. Running as administrator is required for MSR and huge pages to be set up properly.
+
+![Benchmark example](https://i.imgur.com/PST3BYc.png)
+
+### Benchmark with custom config
+
+You can run benchmark with any configuration you want. Just start without command line parameteres, use regular config.json and add `"benchmark":"1M",` on the next line after pool url. 
+
+# Stress test
+
+You can also run continuous stress-test that is as close to the real RandomX mining as possible and doesn't require any configuration:
+```
+xmrig --stress
+xmrig --stress -a rx/wow
+```
+This will require Internet connection and will run indefinitely.

doc/build/CMAKE_OPTIONS.md

@@ -6,7 +6,6 @@
 * **`-DWITH_CN_LITE=OFF`** disable all CryptoNight-Lite algorithms (`cn-lite/0`, `cn-lite/1`).
 * **`-DWITH_CN_HEAVY=OFF`** disable all CryptoNight-Heavy algorithms (`cn-heavy/0`, `cn-heavy/xhv`, `cn-heavy/tube`).
 * **`-DWITH_CN_PICO=OFF`** disable CryptoNight-Pico algorithm (`cn-pico`).
-* **`-DWITH_CN_GPU=OFF`** disable CryptoNight-GPU algorithm (`cn/gpu`).
 * **`-DWITH_RANDOMX=OFF`** disable RandomX algorithms (`rx/loki`, `rx/wow`).
 * **`-DWITH_ARGON2=OFF`** disable Argon2 algorithms (`argon2/chukwa`, `argon2/wrkz`).
 
@@ -23,6 +22,7 @@ This feature add external dependency to libhwloc (1.10.0+) (except MSVC builds).
 * **`-DWITH_EMBEDDED_CONFIG=ON`** Enable [embedded](https://github.com/xmrig/xmrig/issues/957) config support.
 * **`-DWITH_OPENCL=OFF`** Disable OpenCL backend.
 * **`-DWITH_CUDA=OFF`** Disable CUDA backend.
+* **`-DWITH_SSE4_1=OFF`** Disable SSE 4.1 for Blake2 (useful for arm builds).
 
 ## Debug options
 

scripts/benchmark_10M.cmd

@@ -0,0 +1,3 @@
+@echo off
+xmrig.exe --bench=10M --submit
+pause

scripts/benchmark_1M.cmd

@@ -0,0 +1,3 @@
+@echo off
+xmrig.exe --bench=1M --submit
+pause

scripts/build.hwloc.sh

@@ -8,12 +8,12 @@ mkdir -p deps/lib
 
 mkdir -p build && cd build
 
-wget https://download.open-mpi.org/release/hwloc/v2.2/hwloc-${HWLOC_VERSION}.tar.bz2 -O hwloc-${HWLOC_VERSION}.tar.bz2
-tar -xjf hwloc-${HWLOC_VERSION}.tar.bz2
+wget https://download.open-mpi.org/release/hwloc/v2.2/hwloc-${HWLOC_VERSION}.tar.gz -O hwloc-${HWLOC_VERSION}.tar.gz
+tar -xzf hwloc-${HWLOC_VERSION}.tar.gz
 
 cd hwloc-${HWLOC_VERSION}
 ./configure --disable-shared --enable-static --disable-io --disable-libudev --disable-libxml2
-make -j$(nproc)
-cp -fr include/ ../../deps
+make -j$(nproc || sysctl -n hw.ncpu || sysctl -n hw.logicalcpu)
+cp -fr include ../../deps
 cp hwloc/.libs/libhwloc.a ../../deps/lib
 cd ..

scripts/build.hwloc1.sh

@@ -0,0 +1,19 @@
+#!/bin/bash -e
+
+HWLOC_VERSION="1.11.13"
+
+mkdir -p deps
+mkdir -p deps/include
+mkdir -p deps/lib
+
+mkdir -p build && cd build
+
+wget https://download.open-mpi.org/release/hwloc/v1.11/hwloc-${HWLOC_VERSION}.tar.gz -O hwloc-${HWLOC_VERSION}.tar.gz
+tar -xzf hwloc-${HWLOC_VERSION}.tar.gz
+
+cd hwloc-${HWLOC_VERSION}
+./configure --disable-shared --enable-static --disable-io --disable-libudev --disable-libxml2
+make -j$(nproc || sysctl -n hw.ncpu || sysctl -n hw.logicalcpu)
+cp -fr include ../../deps
+cp src/.libs/libhwloc.a ../../deps/lib
+cd ..

scripts/build.libressl.sh

@@ -13,8 +13,8 @@ tar -xzf libressl-${LIBRESSL_VERSION}.tar.gz
 
 cd libressl-${LIBRESSL_VERSION}
 ./configure --disable-shared
-make -j$(nproc)
-cp -fr include/ ../../deps
+make -j$(nproc || sysctl -n hw.ncpu || sysctl -n hw.logicalcpu)
+cp -fr include ../../deps
 cp crypto/.libs/libcrypto.a ../../deps/lib
 cp ssl/.libs/libssl.a ../../deps/lib
 cd ..

scripts/build.openssl.sh

@@ -1,6 +1,6 @@
 #!/bin/bash -e
 
-OPENSSL_VERSION="1.1.1g"
+OPENSSL_VERSION="1.1.1h"
 
 mkdir -p deps
 mkdir -p deps/include
@@ -13,8 +13,8 @@ tar -xzf openssl-${OPENSSL_VERSION}.tar.gz
 
 cd openssl-${OPENSSL_VERSION}
 ./config -no-shared -no-asm -no-zlib -no-comp -no-dgram -no-filenames -no-cms
-make -j$(nproc)
-cp -fr include/ ../../deps
+make -j$(nproc || sysctl -n hw.ncpu || sysctl -n hw.logicalcpu)
+cp -fr include ../../deps
 cp libcrypto.a ../../deps/lib
 cp libssl.a ../../deps/lib
 cd ..

scripts/build.uv.sh

@@ -1,6 +1,6 @@
 #!/bin/bash -e
 
-UV_VERSION="1.38.0"
+UV_VERSION="1.40.0"
 
 mkdir -p deps
 mkdir -p deps/include
@@ -14,7 +14,7 @@ tar -xzf v${UV_VERSION}.tar.gz
 cd libuv-${UV_VERSION}
 sh autogen.sh
 ./configure --disable-shared
-make -j$(nproc)
-cp -fr include/ ../../deps
+make -j$(nproc || sysctl -n hw.ncpu || sysctl -n hw.logicalcpu)
+cp -fr include ../../deps
 cp .libs/libuv.a ../../deps/lib
 cd ..

scripts/generate_cl.js

@@ -43,22 +43,12 @@ function cn_r()
 }
 
 
-function cn_gpu()
-{
-    const cn_gpu = opencl_minify(addIncludes('cryptonight_gpu.cl', [ 'wolf-aes.cl', 'keccak.cl' ]));
-
-    // fs.writeFileSync('cryptonight_gpu_gen.cl', cn_gpu);
-    fs.writeFileSync('cryptonight_gpu_cl.h', text2h(cn_gpu, 'xmrig', 'cryptonight_gpu_cl'));
-}
-
-
 function rx()
 {
     let rx = addIncludes('randomx.cl', [
         '../cn/algorithm.cl',
         'randomx_constants_monero.h',
         'randomx_constants_wow.h',
-        'randomx_constants_loki.h',
         'randomx_constants_arqma.h',
         'randomx_constants_keva.h',
         'aes.cl',
@@ -85,11 +75,21 @@ function astrobwt()
 }
 
 
+function kawpow()
+{
+    const kawpow = opencl_minify(addIncludes('kawpow.cl', [ 'defs.h' ]));
+    const kawpow_dag = opencl_minify(addIncludes('kawpow_dag.cl', [ 'defs.h' ]));
+
+    // fs.writeFileSync('kawpow_gen.cl', kawpow);
+    fs.writeFileSync('kawpow_cl.h', text2h(kawpow, 'xmrig', 'kawpow_cl'));
+    fs.writeFileSync('kawpow_dag_cl.h', text2h(kawpow_dag, 'xmrig', 'kawpow_dag_cl'));
+}
+
+
 process.chdir(path.resolve('src/backend/opencl/cl/cn'));
 
 cn();
 cn_r();
-cn_gpu();
 
 process.chdir(cwd);
 process.chdir(path.resolve('src/backend/opencl/cl/rx'));
@@ -100,3 +100,8 @@ process.chdir(cwd);
 process.chdir(path.resolve('src/backend/opencl/cl/astrobwt'));
 
 astrobwt();
+
+process.chdir(cwd);
+process.chdir(path.resolve('src/backend/opencl/cl/kawpow'));
+
+kawpow();

scripts/js/opencl.js

@@ -6,7 +6,7 @@ const fs = require('fs');
 function bin2h(buf, namespace, name)
 {
     const size = buf.byteLength;
-    let out    = `#pragma once\n\nnamespace ${namespace} {\n\nstatic unsigned char ${name}[${size}] = {\n    `;
+    let out    = `#pragma once\n\nnamespace ${namespace} {\n\nstatic const unsigned char ${name}[${size}] = {\n    `;
 
     let b = 32;
     for (let i = 0; i < size; i++) {
@@ -28,7 +28,7 @@ function text2h_internal(text, name)
 {
     const buf  = Buffer.from(text);
     const size = buf.byteLength;
-    let out    = `\nstatic char ${name}[${size + 1}] = {\n    `;
+    let out    = `\nstatic const char ${name}[${size + 1}] = {\n    `;
 
     let b = 32;
     for (let i = 0; i < size; i++) {

scripts/randomx_boost.sh

@@ -4,12 +4,22 @@ modprobe msr
 
 if cat /proc/cpuinfo | grep "AMD Ryzen" > /dev/null;
 	then
-		echo "Detected Ryzen"
-		wrmsr -a 0xc0011022 0x510000
-		wrmsr -a 0xc001102b 0x1808cc16
-		wrmsr -a 0xc0011020 0
-		wrmsr -a 0xc0011021 0x40
-		echo "MSR register values for Ryzen applied"
+	if cat /proc/cpuinfo | grep "cpu family[[:space:]]:[[:space:]]25" > /dev/null;
+		then
+			echo "Detected Ryzen (Zen3)"
+			wrmsr -a 0xc0011020 0x4480000000000
+			wrmsr -a 0xc0011021 0x1c000200000040
+			wrmsr -a 0xc0011022 0xc000000401500000
+			wrmsr -a 0xc001102b 0x2000cc14
+			echo "MSR register values for Ryzen (Zen3) applied"
+		else
+			echo "Detected Ryzen (Zen1/Zen2)"
+			wrmsr -a 0xc0011020 0
+			wrmsr -a 0xc0011021 0x40
+			wrmsr -a 0xc0011022 0x1510000
+			wrmsr -a 0xc001102b 0x2000cc16
+			echo "MSR register values for Ryzen (Zen1/Zen2) applied"
+		fi
 elif cat /proc/cpuinfo | grep "Intel" > /dev/null;
 	then
 		echo "Detected Intel"

src/3rdparty/fmt/LICENSE.rst

@@ -0,0 +1,27 @@
+Copyright (c) 2012 - present, Victor Zverovich
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+--- Optional exception to the license ---
+
+As an exception, if, as a result of your compiling your source code, portions
+of this Software are embedded into a machine-executable object form of such
+source code, you may redistribute such embedded portions in such object form
+without including the above copyright and permission notices.

src/3rdparty/fmt/README.rst

@@ -0,0 +1,505 @@
+{fmt}
+=====
+
+.. image:: https://travis-ci.org/fmtlib/fmt.png?branch=master
+   :target: https://travis-ci.org/fmtlib/fmt
+
+.. image:: https://ci.appveyor.com/api/projects/status/ehjkiefde6gucy1v
+   :target: https://ci.appveyor.com/project/vitaut/fmt
+
+.. image:: https://oss-fuzz-build-logs.storage.googleapis.com/badges/libfmt.svg
+   :alt: fmt is continuously fuzzed at oss-fuzz
+   :target: https://bugs.chromium.org/p/oss-fuzz/issues/list?\
+            colspec=ID%20Type%20Component%20Status%20Proj%20Reported%20Owner%20\
+            Summary&q=proj%3Dlibfmt&can=1
+
+.. image:: https://img.shields.io/badge/stackoverflow-fmt-blue.svg
+   :alt: Ask questions at StackOverflow with the tag fmt
+   :target: https://stackoverflow.com/questions/tagged/fmt
+
+**{fmt}** is an open-source formatting library providing a fast and safe
+alternative to C stdio and C++ iostreams.
+
+If you like this project, please consider donating to BYSOL,
+an initiative to help victims of political repressions in Belarus:
+https://www.facebook.com/donate/759400044849707/108388587646909/.
+
+`Documentation <https://fmt.dev>`__
+
+Q&A: ask questions on `StackOverflow with the tag fmt
+<https://stackoverflow.com/questions/tagged/fmt>`_.
+
+Try {fmt} in `Compiler Explorer <https://godbolt.org/z/Eq5763>`_.
+
+Features
+--------
+
+* Simple `format API <https://fmt.dev/latest/api.html>`_ with positional arguments
+  for localization
+* Implementation of `C++20 std::format
+  <https://en.cppreference.com/w/cpp/utility/format>`__
+* `Format string syntax <https://fmt.dev/latest/syntax.html>`_ similar to Python's
+  `format <https://docs.python.org/3/library/stdtypes.html#str.format>`_
+* Fast IEEE 754 floating-point formatter with correct rounding, shortness and
+  round-trip guarantees.
+* Safe `printf implementation
+  <https://fmt.dev/latest/api.html#printf-formatting>`_ including the POSIX
+  extension for positional arguments
+* Extensibility: `support for user-defined types
+  <https://fmt.dev/latest/api.html#formatting-user-defined-types>`_
+* High performance: faster than common standard library implementations of
+  ``(s)printf``, iostreams, ``to_string`` and ``to_chars``, see `Speed tests`_
+  and `Converting a hundred million integers to strings per second
+  <http://www.zverovich.net/2020/06/13/fast-int-to-string-revisited.html>`_
+* Small code size both in terms of source code with the minimum configuration
+  consisting of just three files, ``core.h``, ``format.h`` and ``format-inl.h``,
+  and compiled code; see `Compile time and code bloat`_
+* Reliability: the library has an extensive set of `tests
+  <https://github.com/fmtlib/fmt/tree/master/test>`_ and is `continuously fuzzed
+  <https://bugs.chromium.org/p/oss-fuzz/issues/list?colspec=ID%20Type%20
+  Component%20Status%20Proj%20Reported%20Owner%20Summary&q=proj%3Dlibfmt&can=1>`_
+* Safety: the library is fully type safe, errors in format strings can be
+  reported at compile time, automatic memory management prevents buffer overflow
+  errors
+* Ease of use: small self-contained code base, no external dependencies,
+  permissive MIT `license
+  <https://github.com/fmtlib/fmt/blob/master/LICENSE.rst>`_
+* `Portability <https://fmt.dev/latest/index.html#portability>`_ with
+  consistent output across platforms and support for older compilers
+* Clean warning-free codebase even on high warning levels such as
+  ``-Wall -Wextra -pedantic``
+* Locale-independence by default
+* Optional header-only configuration enabled with the ``FMT_HEADER_ONLY`` macro
+
+See the `documentation <https://fmt.dev>`_ for more details.
+
+Examples
+--------
+
+**Print to stdout** (`run <https://godbolt.org/z/Tevcjh>`_)
+
+.. code:: c++
+
+    #include <fmt/core.h>
+    
+    int main() {
+      fmt::print("Hello, world!\n");
+    }
+
+**Format a string** (`run <https://godbolt.org/z/oK8h33>`_)
+
+.. code:: c++
+
+    std::string s = fmt::format("The answer is {}.", 42);
+    // s == "The answer is 42."
+
+**Format a string using positional arguments** (`run <https://godbolt.org/z/Yn7Txe>`_)
+
+.. code:: c++
+
+    std::string s = fmt::format("I'd rather be {1} than {0}.", "right", "happy");
+    // s == "I'd rather be happy than right."
+
+**Print chrono durations** (`run <https://godbolt.org/z/K8s4Mc>`_)
+
+.. code:: c++
+
+    #include <fmt/chrono.h>
+
+    int main() {
+      using namespace std::literals::chrono_literals;
+      fmt::print("Default format: {} {}\n", 42s, 100ms);
+      fmt::print("strftime-like format: {:%H:%M:%S}\n", 3h + 15min + 30s);
+    }
+
+Output::
+
+    Default format: 42s 100ms
+    strftime-like format: 03:15:30
+
+**Print a container** (`run <https://godbolt.org/z/MjsY7c>`_)
+
+.. code:: c++
+
+    #include <vector>
+    #include <fmt/ranges.h>
+
+    int main() {
+      std::vector<int> v = {1, 2, 3};
+      fmt::print("{}\n", v);
+    }
+
+Output::
+
+    {1, 2, 3}
+
+**Check a format string at compile time**
+
+.. code:: c++
+
+    std::string s = fmt::format(FMT_STRING("{:d}"), "don't panic");
+
+This gives a compile-time error because ``d`` is an invalid format specifier for
+a string.
+
+**Write a file from a single thread**
+
+.. code:: c++
+
+    #include <fmt/os.h>
+
+    int main() {
+      auto out = fmt::output_file("guide.txt");
+      out.print("Don't {}", "Panic");
+    }
+
+This can be `5 to 9 times faster than fprintf
+<http://www.zverovich.net/2020/08/04/optimal-file-buffer-size.html>`_.
+
+**Print with colors and text styles**
+
+.. code:: c++
+
+    #include <fmt/color.h>
+
+    int main() {
+      fmt::print(fg(fmt::color::crimson) | fmt::emphasis::bold,
+                 "Hello, {}!\n", "world");
+      fmt::print(fg(fmt::color::floral_white) | bg(fmt::color::slate_gray) |
+                 fmt::emphasis::underline, "Hello, {}!\n", "мир");
+      fmt::print(fg(fmt::color::steel_blue) | fmt::emphasis::italic,
+                 "Hello, {}!\n", "世界");
+    }
+
+Output on a modern terminal:
+
+.. image:: https://user-images.githubusercontent.com/
+           576385/88485597-d312f600-cf2b-11ea-9cbe-61f535a86e28.png
+
+Benchmarks
+----------
+
+Speed tests
+~~~~~~~~~~~
+
+================= ============= ===========
+Library           Method        Run Time, s
+================= ============= ===========
+libc              printf          1.04
+libc++            std::ostream    3.05
+{fmt} 6.1.1       fmt::print      0.75
+Boost Format 1.67 boost::format   7.24
+Folly Format      folly::format   2.23
+================= ============= ===========
+
+{fmt} is the fastest of the benchmarked methods, ~35% faster than ``printf``.
+
+The above results were generated by building ``tinyformat_test.cpp`` on macOS
+10.14.6 with ``clang++ -O3 -DNDEBUG -DSPEED_TEST -DHAVE_FORMAT``, and taking the
+best of three runs. In the test, the format string ``"%0.10f:%04d:%+g:%s:%p:%c:%%\n"``
+or equivalent is filled 2,000,000 times with output sent to ``/dev/null``; for
+further details refer to the `source
+<https://github.com/fmtlib/format-benchmark/blob/master/tinyformat_test.cpp>`_.
+
+{fmt} is up to 10x faster than ``std::ostringstream`` and ``sprintf`` on
+floating-point formatting (`dtoa-benchmark <https://github.com/fmtlib/dtoa-benchmark>`_)
+and faster than `double-conversion <https://github.com/google/double-conversion>`_:
+
+.. image:: https://user-images.githubusercontent.com/576385/
+           69767160-cdaca400-112f-11ea-9fc5-347c9f83caad.png
+   :target: https://fmt.dev/unknown_mac64_clang10.0.html
+
+Compile time and code bloat
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The script `bloat-test.py
+<https://github.com/fmtlib/format-benchmark/blob/master/bloat-test.py>`_
+from `format-benchmark <https://github.com/fmtlib/format-benchmark>`_
+tests compile time and code bloat for nontrivial projects.
+It generates 100 translation units and uses ``printf()`` or its alternative
+five times in each to simulate a medium sized project.  The resulting
+executable size and compile time (Apple LLVM version 8.1.0 (clang-802.0.42),
+macOS Sierra, best of three) is shown in the following tables.
+
+**Optimized build (-O3)**
+
+============= =============== ==================== ==================
+Method        Compile Time, s Executable size, KiB Stripped size, KiB
+============= =============== ==================== ==================
+printf                    2.6                   29                 26
+printf+string            16.4                   29                 26
+iostreams                31.1                   59                 55
+{fmt}                    19.0                   37                 34
+Boost Format             91.9                  226                203
+Folly Format            115.7                  101                 88
+============= =============== ==================== ==================
+
+As you can see, {fmt} has 60% less overhead in terms of resulting binary code
+size compared to iostreams and comes pretty close to ``printf``. Boost Format
+and Folly Format have the largest overheads.
+
+``printf+string`` is the same as ``printf`` but with extra ``<string>``
+include to measure the overhead of the latter.
+
+**Non-optimized build**
+
+============= =============== ==================== ==================
+Method        Compile Time, s Executable size, KiB Stripped size, KiB
+============= =============== ==================== ==================
+printf                    2.2                   33                 30
+printf+string            16.0                   33                 30
+iostreams                28.3                   56                 52
+{fmt}                    18.2                   59                 50
+Boost Format             54.1                  365                303
+Folly Format             79.9                  445                430
+============= =============== ==================== ==================
+
+``libc``, ``lib(std)c++`` and ``libfmt`` are all linked as shared libraries to
+compare formatting function overhead only. Boost Format is a
+header-only library so it doesn't provide any linkage options.
+
+Running the tests
+~~~~~~~~~~~~~~~~~
+
+Please refer to `Building the library`__ for the instructions on how to build
+the library and run the unit tests.
+
+__ https://fmt.dev/latest/usage.html#building-the-library
+
+Benchmarks reside in a separate repository,
+`format-benchmarks <https://github.com/fmtlib/format-benchmark>`_,
+so to run the benchmarks you first need to clone this repository and
+generate Makefiles with CMake::
+
+    $ git clone --recursive https://github.com/fmtlib/format-benchmark.git
+    $ cd format-benchmark
+    $ cmake .
+
+Then you can run the speed test::
+
+    $ make speed-test
+
+or the bloat test::
+
+    $ make bloat-test
+
+Projects using this library
+---------------------------
+
+* `0 A.D. <https://play0ad.com/>`_: A free, open-source, cross-platform
+  real-time strategy game
+
+* `AMPL/MP <https://github.com/ampl/mp>`_:
+  An open-source library for mathematical programming
+
+* `Aseprite <https://github.com/aseprite/aseprite>`_:
+  Animated sprite editor & pixel art tool 
+
+* `AvioBook <https://www.aviobook.aero/en>`_: A comprehensive aircraft
+  operations suite
+  
+* `Celestia <https://celestia.space/>`_: Real-time 3D visualization of space
+
+* `Ceph <https://ceph.com/>`_: A scalable distributed storage system
+
+* `ccache <https://ccache.dev/>`_: A compiler cache
+
+* `ClickHouse <https://github.com/ClickHouse/ClickHouse>`_: analytical database
+  management system
+
+* `CUAUV <http://cuauv.org/>`_: Cornell University's autonomous underwater
+  vehicle
+
+* `Drake <https://drake.mit.edu/>`_: A planning, control, and analysis toolbox
+  for nonlinear dynamical systems (MIT)
+
+* `Envoy <https://lyft.github.io/envoy/>`_: C++ L7 proxy and communication bus
+  (Lyft)
+
+* `FiveM <https://fivem.net/>`_: a modification framework for GTA V
+
+* `Folly <https://github.com/facebook/folly>`_: Facebook open-source library
+
+* `HarpyWar/pvpgn <https://github.com/pvpgn/pvpgn-server>`_:
+  Player vs Player Gaming Network with tweaks
+
+* `KBEngine <https://github.com/kbengine/kbengine>`_: An open-source MMOG server
+  engine
+
+* `Keypirinha <https://keypirinha.com/>`_: A semantic launcher for Windows
+
+* `Kodi <https://kodi.tv/>`_ (formerly xbmc): Home theater software
+
+* `Knuth <https://kth.cash/>`_: High-performance Bitcoin full-node
+
+* `Microsoft Verona <https://github.com/microsoft/verona>`_:
+  Research programming language for concurrent ownership
+
+* `MongoDB <https://mongodb.com/>`_: Distributed document database
+
+* `MongoDB Smasher <https://github.com/duckie/mongo_smasher>`_: A small tool to
+  generate randomized datasets
+
+* `OpenSpace <https://openspaceproject.com/>`_: An open-source
+  astrovisualization framework
+
+* `PenUltima Online (POL) <https://www.polserver.com/>`_:
+  An MMO server, compatible with most Ultima Online clients
+
+* `PyTorch <https://github.com/pytorch/pytorch>`_: An open-source machine
+  learning library
+
+* `quasardb <https://www.quasardb.net/>`_: A distributed, high-performance,
+  associative database
+  
+* `Quill <https://github.com/odygrd/quill>`_: Asynchronous low-latency logging library
+
+* `QKW <https://github.com/ravijanjam/qkw>`_: Generalizing aliasing to simplify
+  navigation, and executing complex multi-line terminal command sequences
+
+* `readpe <https://bitbucket.org/sys_dev/readpe>`_: Read Portable Executable
+
+* `redis-cerberus <https://github.com/HunanTV/redis-cerberus>`_: A Redis cluster
+  proxy
+
+* `redpanda <https://vectorized.io/redpanda>`_: A 10x faster Kafka® replacement
+  for mission critical systems written in C++
+
+* `rpclib <http://rpclib.net/>`_: A modern C++ msgpack-RPC server and client
+  library
+
+* `Salesforce Analytics Cloud
+  <https://www.salesforce.com/analytics-cloud/overview/>`_:
+  Business intelligence software
+
+* `Scylla <https://www.scylladb.com/>`_: A Cassandra-compatible NoSQL data store
+  that can handle 1 million transactions per second on a single server
+
+* `Seastar <http://www.seastar-project.org/>`_: An advanced, open-source C++
+  framework for high-performance server applications on modern hardware
+
+* `spdlog <https://github.com/gabime/spdlog>`_: Super fast C++ logging library
+
+* `Stellar <https://www.stellar.org/>`_: Financial platform
+
+* `Touch Surgery <https://www.touchsurgery.com/>`_: Surgery simulator
+
+* `TrinityCore <https://github.com/TrinityCore/TrinityCore>`_: Open-source
+  MMORPG framework
+
+* `Windows Terminal <https://github.com/microsoft/terminal>`_: The new Windows
+  Terminal
+
+`More... <https://github.com/search?q=fmtlib&type=Code>`_
+
+If you are aware of other projects using this library, please let me know
+by `email <mailto:victor.zverovich@gmail.com>`_ or by submitting an
+`issue <https://github.com/fmtlib/fmt/issues>`_.
+
+Motivation
+----------
+
+So why yet another formatting library?
+
+There are plenty of methods for doing this task, from standard ones like
+the printf family of function and iostreams to Boost Format and FastFormat
+libraries. The reason for creating a new library is that every existing
+solution that I found either had serious issues or didn't provide
+all the features I needed.
+
+printf
+~~~~~~
+
+The good thing about ``printf`` is that it is pretty fast and readily available
+being a part of the C standard library. The main drawback is that it
+doesn't support user-defined types. ``printf`` also has safety issues although
+they are somewhat mitigated with `__attribute__ ((format (printf, ...))
+<https://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html>`_ in GCC.
+There is a POSIX extension that adds positional arguments required for
+`i18n <https://en.wikipedia.org/wiki/Internationalization_and_localization>`_
+to ``printf`` but it is not a part of C99 and may not be available on some
+platforms.
+
+iostreams
+~~~~~~~~~
+
+The main issue with iostreams is best illustrated with an example:
+
+.. code:: c++
+
+    std::cout << std::setprecision(2) << std::fixed << 1.23456 << "\n";
+
+which is a lot of typing compared to printf:
+
+.. code:: c++
+
+    printf("%.2f\n", 1.23456);
+
+Matthew Wilson, the author of FastFormat, called this "chevron hell". iostreams
+don't support positional arguments by design.
+
+The good part is that iostreams support user-defined types and are safe although
+error handling is awkward.
+
+Boost Format
+~~~~~~~~~~~~
+
+This is a very powerful library which supports both ``printf``-like format
+strings and positional arguments. Its main drawback is performance. According to
+various, benchmarks it is much slower than other methods considered here. Boost
+Format also has excessive build times and severe code bloat issues (see
+`Benchmarks`_).
+
+FastFormat
+~~~~~~~~~~
+
+This is an interesting library which is fast, safe and has positional arguments.
+However, it has significant limitations, citing its author:
+
+    Three features that have no hope of being accommodated within the
+    current design are:
+
+    * Leading zeros (or any other non-space padding)
+    * Octal/hexadecimal encoding
+    * Runtime width/alignment specification
+
+It is also quite big and has a heavy dependency, STLSoft, which might be too
+restrictive for using it in some projects.
+
+Boost Spirit.Karma
+~~~~~~~~~~~~~~~~~~
+
+This is not really a formatting library but I decided to include it here for
+completeness. As iostreams, it suffers from the problem of mixing verbatim text
+with arguments. The library is pretty fast, but slower on integer formatting
+than ``fmt::format_to`` with format string compilation on Karma's own benchmark,
+see `Converting a hundred million integers to strings per second
+<http://www.zverovich.net/2020/06/13/fast-int-to-string-revisited.html>`_.
+
+License
+-------
+
+{fmt} is distributed under the MIT `license
+<https://github.com/fmtlib/fmt/blob/master/LICENSE.rst>`_.
+
+Documentation License
+---------------------
+
+The `Format String Syntax <https://fmt.dev/latest/syntax.html>`_
+section in the documentation is based on the one from Python `string module
+documentation <https://docs.python.org/3/library/string.html#module-string>`_.
+For this reason the documentation is distributed under the Python Software
+Foundation license available in `doc/python-license.txt
+<https://raw.github.com/fmtlib/fmt/master/doc/python-license.txt>`_.
+It only applies if you distribute the documentation of {fmt}.
+
+Maintainers
+-----------
+
+The {fmt} library is maintained by Victor Zverovich (`vitaut
+<https://github.com/vitaut>`_) and Jonathan Müller (`foonathan
+<https://github.com/foonathan>`_) with contributions from many other people.
+See `Contributors <https://github.com/fmtlib/fmt/graphs/contributors>`_ and
+`Releases <https://github.com/fmtlib/fmt/releases>`_ for some of the names.
+Let us know if your contribution is not listed or mentioned incorrectly and
+we'll make it right.

src/3rdparty/fmt/color.h

@@ -0,0 +1,602 @@
+// Formatting library for C++ - color support
+//
+// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_COLOR_H_
+#define FMT_COLOR_H_
+
+#include "format.h"
+
+FMT_BEGIN_NAMESPACE
+
+enum class color : uint32_t {
+  alice_blue = 0xF0F8FF,               // rgb(240,248,255)
+  antique_white = 0xFAEBD7,            // rgb(250,235,215)
+  aqua = 0x00FFFF,                     // rgb(0,255,255)
+  aquamarine = 0x7FFFD4,               // rgb(127,255,212)
+  azure = 0xF0FFFF,                    // rgb(240,255,255)
+  beige = 0xF5F5DC,                    // rgb(245,245,220)
+  bisque = 0xFFE4C4,                   // rgb(255,228,196)
+  black = 0x000000,                    // rgb(0,0,0)
+  blanched_almond = 0xFFEBCD,          // rgb(255,235,205)
+  blue = 0x0000FF,                     // rgb(0,0,255)
+  blue_violet = 0x8A2BE2,              // rgb(138,43,226)
+  brown = 0xA52A2A,                    // rgb(165,42,42)
+  burly_wood = 0xDEB887,               // rgb(222,184,135)
+  cadet_blue = 0x5F9EA0,               // rgb(95,158,160)
+  chartreuse = 0x7FFF00,               // rgb(127,255,0)
+  chocolate = 0xD2691E,                // rgb(210,105,30)
+  coral = 0xFF7F50,                    // rgb(255,127,80)
+  cornflower_blue = 0x6495ED,          // rgb(100,149,237)
+  cornsilk = 0xFFF8DC,                 // rgb(255,248,220)
+  crimson = 0xDC143C,                  // rgb(220,20,60)
+  cyan = 0x00FFFF,                     // rgb(0,255,255)
+  dark_blue = 0x00008B,                // rgb(0,0,139)
+  dark_cyan = 0x008B8B,                // rgb(0,139,139)
+  dark_golden_rod = 0xB8860B,          // rgb(184,134,11)
+  dark_gray = 0xA9A9A9,                // rgb(169,169,169)
+  dark_green = 0x006400,               // rgb(0,100,0)
+  dark_khaki = 0xBDB76B,               // rgb(189,183,107)
+  dark_magenta = 0x8B008B,             // rgb(139,0,139)
+  dark_olive_green = 0x556B2F,         // rgb(85,107,47)
+  dark_orange = 0xFF8C00,              // rgb(255,140,0)
+  dark_orchid = 0x9932CC,              // rgb(153,50,204)
+  dark_red = 0x8B0000,                 // rgb(139,0,0)
+  dark_salmon = 0xE9967A,              // rgb(233,150,122)
+  dark_sea_green = 0x8FBC8F,           // rgb(143,188,143)
+  dark_slate_blue = 0x483D8B,          // rgb(72,61,139)
+  dark_slate_gray = 0x2F4F4F,          // rgb(47,79,79)
+  dark_turquoise = 0x00CED1,           // rgb(0,206,209)
+  dark_violet = 0x9400D3,              // rgb(148,0,211)
+  deep_pink = 0xFF1493,                // rgb(255,20,147)
+  deep_sky_blue = 0x00BFFF,            // rgb(0,191,255)
+  dim_gray = 0x696969,                 // rgb(105,105,105)
+  dodger_blue = 0x1E90FF,              // rgb(30,144,255)
+  fire_brick = 0xB22222,               // rgb(178,34,34)
+  floral_white = 0xFFFAF0,             // rgb(255,250,240)
+  forest_green = 0x228B22,             // rgb(34,139,34)
+  fuchsia = 0xFF00FF,                  // rgb(255,0,255)
+  gainsboro = 0xDCDCDC,                // rgb(220,220,220)
+  ghost_white = 0xF8F8FF,              // rgb(248,248,255)
+  gold = 0xFFD700,                     // rgb(255,215,0)
+  golden_rod = 0xDAA520,               // rgb(218,165,32)
+  gray = 0x808080,                     // rgb(128,128,128)
+  green = 0x008000,                    // rgb(0,128,0)
+  green_yellow = 0xADFF2F,             // rgb(173,255,47)
+  honey_dew = 0xF0FFF0,                // rgb(240,255,240)
+  hot_pink = 0xFF69B4,                 // rgb(255,105,180)
+  indian_red = 0xCD5C5C,               // rgb(205,92,92)
+  indigo = 0x4B0082,                   // rgb(75,0,130)
+  ivory = 0xFFFFF0,                    // rgb(255,255,240)
+  khaki = 0xF0E68C,                    // rgb(240,230,140)
+  lavender = 0xE6E6FA,                 // rgb(230,230,250)
+  lavender_blush = 0xFFF0F5,           // rgb(255,240,245)
+  lawn_green = 0x7CFC00,               // rgb(124,252,0)
+  lemon_chiffon = 0xFFFACD,            // rgb(255,250,205)
+  light_blue = 0xADD8E6,               // rgb(173,216,230)
+  light_coral = 0xF08080,              // rgb(240,128,128)
+  light_cyan = 0xE0FFFF,               // rgb(224,255,255)
+  light_golden_rod_yellow = 0xFAFAD2,  // rgb(250,250,210)
+  light_gray = 0xD3D3D3,               // rgb(211,211,211)
+  light_green = 0x90EE90,              // rgb(144,238,144)
+  light_pink = 0xFFB6C1,               // rgb(255,182,193)
+  light_salmon = 0xFFA07A,             // rgb(255,160,122)
+  light_sea_green = 0x20B2AA,          // rgb(32,178,170)
+  light_sky_blue = 0x87CEFA,           // rgb(135,206,250)
+  light_slate_gray = 0x778899,         // rgb(119,136,153)
+  light_steel_blue = 0xB0C4DE,         // rgb(176,196,222)
+  light_yellow = 0xFFFFE0,             // rgb(255,255,224)
+  lime = 0x00FF00,                     // rgb(0,255,0)
+  lime_green = 0x32CD32,               // rgb(50,205,50)
+  linen = 0xFAF0E6,                    // rgb(250,240,230)
+  magenta = 0xFF00FF,                  // rgb(255,0,255)
+  maroon = 0x800000,                   // rgb(128,0,0)
+  medium_aquamarine = 0x66CDAA,        // rgb(102,205,170)
+  medium_blue = 0x0000CD,              // rgb(0,0,205)
+  medium_orchid = 0xBA55D3,            // rgb(186,85,211)
+  medium_purple = 0x9370DB,            // rgb(147,112,219)
+  medium_sea_green = 0x3CB371,         // rgb(60,179,113)
+  medium_slate_blue = 0x7B68EE,        // rgb(123,104,238)
+  medium_spring_green = 0x00FA9A,      // rgb(0,250,154)
+  medium_turquoise = 0x48D1CC,         // rgb(72,209,204)
+  medium_violet_red = 0xC71585,        // rgb(199,21,133)
+  midnight_blue = 0x191970,            // rgb(25,25,112)
+  mint_cream = 0xF5FFFA,               // rgb(245,255,250)
+  misty_rose = 0xFFE4E1,               // rgb(255,228,225)
+  moccasin = 0xFFE4B5,                 // rgb(255,228,181)
+  navajo_white = 0xFFDEAD,             // rgb(255,222,173)
+  navy = 0x000080,                     // rgb(0,0,128)
+  old_lace = 0xFDF5E6,                 // rgb(253,245,230)
+  olive = 0x808000,                    // rgb(128,128,0)
+  olive_drab = 0x6B8E23,               // rgb(107,142,35)
+  orange = 0xFFA500,                   // rgb(255,165,0)
+  orange_red = 0xFF4500,               // rgb(255,69,0)
+  orchid = 0xDA70D6,                   // rgb(218,112,214)
+  pale_golden_rod = 0xEEE8AA,          // rgb(238,232,170)
+  pale_green = 0x98FB98,               // rgb(152,251,152)
+  pale_turquoise = 0xAFEEEE,           // rgb(175,238,238)
+  pale_violet_red = 0xDB7093,          // rgb(219,112,147)
+  papaya_whip = 0xFFEFD5,              // rgb(255,239,213)
+  peach_puff = 0xFFDAB9,               // rgb(255,218,185)
+  peru = 0xCD853F,                     // rgb(205,133,63)
+  pink = 0xFFC0CB,                     // rgb(255,192,203)
+  plum = 0xDDA0DD,                     // rgb(221,160,221)
+  powder_blue = 0xB0E0E6,              // rgb(176,224,230)
+  purple = 0x800080,                   // rgb(128,0,128)
+  rebecca_purple = 0x663399,           // rgb(102,51,153)
+  red = 0xFF0000,                      // rgb(255,0,0)
+  rosy_brown = 0xBC8F8F,               // rgb(188,143,143)
+  royal_blue = 0x4169E1,               // rgb(65,105,225)
+  saddle_brown = 0x8B4513,             // rgb(139,69,19)
+  salmon = 0xFA8072,                   // rgb(250,128,114)
+  sandy_brown = 0xF4A460,              // rgb(244,164,96)
+  sea_green = 0x2E8B57,                // rgb(46,139,87)
+  sea_shell = 0xFFF5EE,                // rgb(255,245,238)
+  sienna = 0xA0522D,                   // rgb(160,82,45)
+  silver = 0xC0C0C0,                   // rgb(192,192,192)
+  sky_blue = 0x87CEEB,                 // rgb(135,206,235)
+  slate_blue = 0x6A5ACD,               // rgb(106,90,205)
+  slate_gray = 0x708090,               // rgb(112,128,144)
+  snow = 0xFFFAFA,                     // rgb(255,250,250)
+  spring_green = 0x00FF7F,             // rgb(0,255,127)
+  steel_blue = 0x4682B4,               // rgb(70,130,180)
+  tan = 0xD2B48C,                      // rgb(210,180,140)
+  teal = 0x008080,                     // rgb(0,128,128)
+  thistle = 0xD8BFD8,                  // rgb(216,191,216)
+  tomato = 0xFF6347,                   // rgb(255,99,71)
+  turquoise = 0x40E0D0,                // rgb(64,224,208)
+  violet = 0xEE82EE,                   // rgb(238,130,238)
+  wheat = 0xF5DEB3,                    // rgb(245,222,179)
+  white = 0xFFFFFF,                    // rgb(255,255,255)
+  white_smoke = 0xF5F5F5,              // rgb(245,245,245)
+  yellow = 0xFFFF00,                   // rgb(255,255,0)
+  yellow_green = 0x9ACD32              // rgb(154,205,50)
+};                                     // enum class color
+
+enum class terminal_color : uint8_t {
+  black = 30,
+  red,
+  green,
+  yellow,
+  blue,
+  magenta,
+  cyan,
+  white,
+  bright_black = 90,
+  bright_red,
+  bright_green,
+  bright_yellow,
+  bright_blue,
+  bright_magenta,
+  bright_cyan,
+  bright_white
+};
+
+enum class emphasis : uint8_t {
+  bold = 1,
+  italic = 1 << 1,
+  underline = 1 << 2,
+  strikethrough = 1 << 3
+};
+
+// rgb is a struct for red, green and blue colors.
+// Using the name "rgb" makes some editors show the color in a tooltip.
+struct rgb {
+  FMT_CONSTEXPR rgb() : r(0), g(0), b(0) {}
+  FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) : r(r_), g(g_), b(b_) {}
+  FMT_CONSTEXPR rgb(uint32_t hex)
+      : r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {}
+  FMT_CONSTEXPR rgb(color hex)
+      : r((uint32_t(hex) >> 16) & 0xFF),
+        g((uint32_t(hex) >> 8) & 0xFF),
+        b(uint32_t(hex) & 0xFF) {}
+  uint8_t r;
+  uint8_t g;
+  uint8_t b;
+};
+
+namespace detail {
+
+// color is a struct of either a rgb color or a terminal color.
+struct color_type {
+  FMT_CONSTEXPR color_type() FMT_NOEXCEPT : is_rgb(), value{} {}
+  FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT : is_rgb(true),
+                                                           value{} {
+    value.rgb_color = static_cast<uint32_t>(rgb_color);
+  }
+  FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} {
+    value.rgb_color = (static_cast<uint32_t>(rgb_color.r) << 16) |
+                      (static_cast<uint32_t>(rgb_color.g) << 8) | rgb_color.b;
+  }
+  FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT : is_rgb(),
+                                                                     value{} {
+    value.term_color = static_cast<uint8_t>(term_color);
+  }
+  bool is_rgb;
+  union color_union {
+    uint8_t term_color;
+    uint32_t rgb_color;
+  } value;
+};
+}  // namespace detail
+
+// Experimental text formatting support.
+class text_style {
+ public:
+  FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT
+      : set_foreground_color(),
+        set_background_color(),
+        ems(em) {}
+
+  FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) {
+    if (!set_foreground_color) {
+      set_foreground_color = rhs.set_foreground_color;
+      foreground_color = rhs.foreground_color;
+    } else if (rhs.set_foreground_color) {
+      if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
+        FMT_THROW(format_error("can't OR a terminal color"));
+      foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color;
+    }
+
+    if (!set_background_color) {
+      set_background_color = rhs.set_background_color;
+      background_color = rhs.background_color;
+    } else if (rhs.set_background_color) {
+      if (!background_color.is_rgb || !rhs.background_color.is_rgb)
+        FMT_THROW(format_error("can't OR a terminal color"));
+      background_color.value.rgb_color |= rhs.background_color.value.rgb_color;
+    }
+
+    ems = static_cast<emphasis>(static_cast<uint8_t>(ems) |
+                                static_cast<uint8_t>(rhs.ems));
+    return *this;
+  }
+
+  friend FMT_CONSTEXPR text_style operator|(text_style lhs,
+                                            const text_style& rhs) {
+    return lhs |= rhs;
+  }
+
+  FMT_CONSTEXPR text_style& operator&=(const text_style& rhs) {
+    if (!set_foreground_color) {
+      set_foreground_color = rhs.set_foreground_color;
+      foreground_color = rhs.foreground_color;
+    } else if (rhs.set_foreground_color) {
+      if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
+        FMT_THROW(format_error("can't AND a terminal color"));
+      foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color;
+    }
+
+    if (!set_background_color) {
+      set_background_color = rhs.set_background_color;
+      background_color = rhs.background_color;
+    } else if (rhs.set_background_color) {
+      if (!background_color.is_rgb || !rhs.background_color.is_rgb)
+        FMT_THROW(format_error("can't AND a terminal color"));
+      background_color.value.rgb_color &= rhs.background_color.value.rgb_color;
+    }
+
+    ems = static_cast<emphasis>(static_cast<uint8_t>(ems) &
+                                static_cast<uint8_t>(rhs.ems));
+    return *this;
+  }
+
+  friend FMT_CONSTEXPR text_style operator&(text_style lhs,
+                                            const text_style& rhs) {
+    return lhs &= rhs;
+  }
+
+  FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT {
+    return set_foreground_color;
+  }
+  FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT {
+    return set_background_color;
+  }
+  FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT {
+    return static_cast<uint8_t>(ems) != 0;
+  }
+  FMT_CONSTEXPR detail::color_type get_foreground() const FMT_NOEXCEPT {
+    FMT_ASSERT(has_foreground(), "no foreground specified for this style");
+    return foreground_color;
+  }
+  FMT_CONSTEXPR detail::color_type get_background() const FMT_NOEXCEPT {
+    FMT_ASSERT(has_background(), "no background specified for this style");
+    return background_color;
+  }
+  FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT {
+    FMT_ASSERT(has_emphasis(), "no emphasis specified for this style");
+    return ems;
+  }
+
+ private:
+  FMT_CONSTEXPR text_style(bool is_foreground,
+                           detail::color_type text_color) FMT_NOEXCEPT
+      : set_foreground_color(),
+        set_background_color(),
+        ems() {
+    if (is_foreground) {
+      foreground_color = text_color;
+      set_foreground_color = true;
+    } else {
+      background_color = text_color;
+      set_background_color = true;
+    }
+  }
+
+  friend FMT_CONSTEXPR_DECL text_style fg(detail::color_type foreground)
+      FMT_NOEXCEPT;
+  friend FMT_CONSTEXPR_DECL text_style bg(detail::color_type background)
+      FMT_NOEXCEPT;
+
+  detail::color_type foreground_color;
+  detail::color_type background_color;
+  bool set_foreground_color;
+  bool set_background_color;
+  emphasis ems;
+};
+
+FMT_CONSTEXPR text_style fg(detail::color_type foreground) FMT_NOEXCEPT {
+  return text_style(/*is_foreground=*/true, foreground);
+}
+
+FMT_CONSTEXPR text_style bg(detail::color_type background) FMT_NOEXCEPT {
+  return text_style(/*is_foreground=*/false, background);
+}
+
+FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT {
+  return text_style(lhs) | rhs;
+}
+
+namespace detail {
+
+template <typename Char> struct ansi_color_escape {
+  FMT_CONSTEXPR ansi_color_escape(detail::color_type text_color,
+                                  const char* esc) FMT_NOEXCEPT {
+    // If we have a terminal color, we need to output another escape code
+    // sequence.
+    if (!text_color.is_rgb) {
+      bool is_background = esc == detail::data::background_color;
+      uint32_t value = text_color.value.term_color;
+      // Background ASCII codes are the same as the foreground ones but with
+      // 10 more.
+      if (is_background) value += 10u;
+
+      size_t index = 0;
+      buffer[index++] = static_cast<Char>('\x1b');
+      buffer[index++] = static_cast<Char>('[');
+
+      if (value >= 100u) {
+        buffer[index++] = static_cast<Char>('1');
+        value %= 100u;
+      }
+      buffer[index++] = static_cast<Char>('0' + value / 10u);
+      buffer[index++] = static_cast<Char>('0' + value % 10u);
+
+      buffer[index++] = static_cast<Char>('m');
+      buffer[index++] = static_cast<Char>('\0');
+      return;
+    }
+
+    for (int i = 0; i < 7; i++) {
+      buffer[i] = static_cast<Char>(esc[i]);
+    }
+    rgb color(text_color.value.rgb_color);
+    to_esc(color.r, buffer + 7, ';');
+    to_esc(color.g, buffer + 11, ';');
+    to_esc(color.b, buffer + 15, 'm');
+    buffer[19] = static_cast<Char>(0);
+  }
+  FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT {
+    uint8_t em_codes[4] = {};
+    uint8_t em_bits = static_cast<uint8_t>(em);
+    if (em_bits & static_cast<uint8_t>(emphasis::bold)) em_codes[0] = 1;
+    if (em_bits & static_cast<uint8_t>(emphasis::italic)) em_codes[1] = 3;
+    if (em_bits & static_cast<uint8_t>(emphasis::underline)) em_codes[2] = 4;
+    if (em_bits & static_cast<uint8_t>(emphasis::strikethrough))
+      em_codes[3] = 9;
+
+    size_t index = 0;
+    for (int i = 0; i < 4; ++i) {
+      if (!em_codes[i]) continue;
+      buffer[index++] = static_cast<Char>('\x1b');
+      buffer[index++] = static_cast<Char>('[');
+      buffer[index++] = static_cast<Char>('0' + em_codes[i]);
+      buffer[index++] = static_cast<Char>('m');
+    }
+    buffer[index++] = static_cast<Char>(0);
+  }
+  FMT_CONSTEXPR operator const Char*() const FMT_NOEXCEPT { return buffer; }
+
+  FMT_CONSTEXPR const Char* begin() const FMT_NOEXCEPT { return buffer; }
+  FMT_CONSTEXPR const Char* end() const FMT_NOEXCEPT {
+    return buffer + std::char_traits<Char>::length(buffer);
+  }
+
+ private:
+  Char buffer[7u + 3u * 4u + 1u];
+
+  static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out,
+                                   char delimiter) FMT_NOEXCEPT {
+    out[0] = static_cast<Char>('0' + c / 100);
+    out[1] = static_cast<Char>('0' + c / 10 % 10);
+    out[2] = static_cast<Char>('0' + c % 10);
+    out[3] = static_cast<Char>(delimiter);
+  }
+};
+
+template <typename Char>
+FMT_CONSTEXPR ansi_color_escape<Char> make_foreground_color(
+    detail::color_type foreground) FMT_NOEXCEPT {
+  return ansi_color_escape<Char>(foreground, detail::data::foreground_color);
+}
+
+template <typename Char>
+FMT_CONSTEXPR ansi_color_escape<Char> make_background_color(
+    detail::color_type background) FMT_NOEXCEPT {
+  return ansi_color_escape<Char>(background, detail::data::background_color);
+}
+
+template <typename Char>
+FMT_CONSTEXPR ansi_color_escape<Char> make_emphasis(emphasis em) FMT_NOEXCEPT {
+  return ansi_color_escape<Char>(em);
+}
+
+template <typename Char>
+inline void fputs(const Char* chars, FILE* stream) FMT_NOEXCEPT {
+  std::fputs(chars, stream);
+}
+
+template <>
+inline void fputs<wchar_t>(const wchar_t* chars, FILE* stream) FMT_NOEXCEPT {
+  std::fputws(chars, stream);
+}
+
+template <typename Char> inline void reset_color(FILE* stream) FMT_NOEXCEPT {
+  fputs(detail::data::reset_color, stream);
+}
+
+template <> inline void reset_color<wchar_t>(FILE* stream) FMT_NOEXCEPT {
+  fputs(detail::data::wreset_color, stream);
+}
+
+template <typename Char>
+inline void reset_color(buffer<Char>& buffer) FMT_NOEXCEPT {
+  const char* begin = data::reset_color;
+  const char* end = begin + sizeof(data::reset_color) - 1;
+  buffer.append(begin, end);
+}
+
+template <typename Char>
+void vformat_to(buffer<Char>& buf, const text_style& ts,
+                basic_string_view<Char> format_str,
+                basic_format_args<buffer_context<type_identity_t<Char>>> args) {
+  bool has_style = false;
+  if (ts.has_emphasis()) {
+    has_style = true;
+    auto emphasis = detail::make_emphasis<Char>(ts.get_emphasis());
+    buf.append(emphasis.begin(), emphasis.end());
+  }
+  if (ts.has_foreground()) {
+    has_style = true;
+    auto foreground = detail::make_foreground_color<Char>(ts.get_foreground());
+    buf.append(foreground.begin(), foreground.end());
+  }
+  if (ts.has_background()) {
+    has_style = true;
+    auto background = detail::make_background_color<Char>(ts.get_background());
+    buf.append(background.begin(), background.end());
+  }
+  detail::vformat_to(buf, format_str, args);
+  if (has_style) detail::reset_color<Char>(buf);
+}
+}  // namespace detail
+
+template <typename S, typename Char = char_t<S>>
+void vprint(std::FILE* f, const text_style& ts, const S& format,
+            basic_format_args<buffer_context<type_identity_t<Char>>> args) {
+  basic_memory_buffer<Char> buf;
+  detail::vformat_to(buf, ts, to_string_view(format), args);
+  buf.push_back(Char(0));
+  detail::fputs(buf.data(), f);
+}
+
+/**
+  \rst
+  Formats a string and prints it to the specified file stream using ANSI
+  escape sequences to specify text formatting.
+
+  **Example**::
+
+    fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
+               "Elapsed time: {0:.2f} seconds", 1.23);
+  \endrst
+ */
+template <typename S, typename... Args,
+          FMT_ENABLE_IF(detail::is_string<S>::value)>
+void print(std::FILE* f, const text_style& ts, const S& format_str,
+           const Args&... args) {
+  vprint(f, ts, format_str,
+         fmt::make_args_checked<Args...>(format_str, args...));
+}
+
+/**
+  Formats a string and prints it to stdout using ANSI escape sequences to
+  specify text formatting.
+  Example:
+    fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
+               "Elapsed time: {0:.2f} seconds", 1.23);
+ */
+template <typename S, typename... Args,
+          FMT_ENABLE_IF(detail::is_string<S>::value)>
+void print(const text_style& ts, const S& format_str, const Args&... args) {
+  return print(stdout, ts, format_str, args...);
+}
+
+template <typename S, typename Char = char_t<S>>
+inline std::basic_string<Char> vformat(
+    const text_style& ts, const S& format_str,
+    basic_format_args<buffer_context<type_identity_t<Char>>> args) {
+  basic_memory_buffer<Char> buf;
+  detail::vformat_to(buf, ts, to_string_view(format_str), args);
+  return fmt::to_string(buf);
+}
+
+/**
+  \rst
+  Formats arguments and returns the result as a string using ANSI
+  escape sequences to specify text formatting.
+
+  **Example**::
+
+    #include <fmt/color.h>
+    std::string message = fmt::format(fmt::emphasis::bold | fg(fmt::color::red),
+                                      "The answer is {}", 42);
+  \endrst
+*/
+template <typename S, typename... Args, typename Char = char_t<S>>
+inline std::basic_string<Char> format(const text_style& ts, const S& format_str,
+                                      const Args&... args) {
+  return vformat(ts, to_string_view(format_str),
+                 fmt::make_args_checked<Args...>(format_str, args...));
+}
+
+/**
+  Formats a string with the given text_style and writes the output to ``out``.
+ */
+template <typename OutputIt, typename Char,
+          FMT_ENABLE_IF(detail::is_output_iterator<OutputIt>::value)>
+OutputIt vformat_to(
+    OutputIt out, const text_style& ts, basic_string_view<Char> format_str,
+    basic_format_args<buffer_context<type_identity_t<Char>>> args) {
+  decltype(detail::get_buffer<Char>(out)) buf(detail::get_buffer_init(out));
+  detail::vformat_to(buf, ts, format_str, args);
+  return detail::get_iterator(buf);
+}
+
+/**
+  \rst
+  Formats arguments with the given text_style, writes the result to the output
+  iterator ``out`` and returns the iterator past the end of the output range.
+
+  **Example**::
+
+    std::vector<char> out;
+    fmt::format_to(std::back_inserter(out),
+                   fmt::emphasis::bold | fg(fmt::color::red), "{}", 42);
+  \endrst
+*/
+template <typename OutputIt, typename S, typename... Args,
+          FMT_ENABLE_IF(detail::is_output_iterator<OutputIt>::value&&
+                            detail::is_string<S>::value)>
+inline OutputIt format_to(OutputIt out, const text_style& ts,
+                          const S& format_str, Args&&... args) {
+  return vformat_to(out, ts, to_string_view(format_str),
+                    fmt::make_args_checked<Args...>(format_str, args...));
+}
+
+FMT_END_NAMESPACE
+
+#endif  // FMT_COLOR_H_

src/3rdparty/fmt/compile.h

@@ -0,0 +1,699 @@
+// Formatting library for C++ - experimental format string compilation
+//
+// Copyright (c) 2012 - present, Victor Zverovich and fmt contributors
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_COMPILE_H_
+#define FMT_COMPILE_H_
+
+#include <vector>
+
+#include "format.h"
+
+FMT_BEGIN_NAMESPACE
+namespace detail {
+
+// A compile-time string which is compiled into fast formatting code.
+class compiled_string {};
+
+template <typename S>
+struct is_compiled_string : std::is_base_of<compiled_string, S> {};
+
+/**
+  \rst
+  Converts a string literal *s* into a format string that will be parsed at
+  compile time and converted into efficient formatting code. Requires C++17
+  ``constexpr if`` compiler support.
+
+  **Example**::
+
+    // Converts 42 into std::string using the most efficient method and no
+    // runtime format string processing.
+    std::string s = fmt::format(FMT_COMPILE("{}"), 42);
+  \endrst
+ */
+#define FMT_COMPILE(s) FMT_STRING_IMPL(s, fmt::detail::compiled_string)
+
+template <typename T, typename... Tail>
+const T& first(const T& value, const Tail&...) {
+  return value;
+}
+
+// Part of a compiled format string. It can be either literal text or a
+// replacement field.
+template <typename Char> struct format_part {
+  enum class kind { arg_index, arg_name, text, replacement };
+
+  struct replacement {
+    arg_ref<Char> arg_id;
+    dynamic_format_specs<Char> specs;
+  };
+
+  kind part_kind;
+  union value {
+    int arg_index;
+    basic_string_view<Char> str;
+    replacement repl;
+
+    FMT_CONSTEXPR value(int index = 0) : arg_index(index) {}
+    FMT_CONSTEXPR value(basic_string_view<Char> s) : str(s) {}
+    FMT_CONSTEXPR value(replacement r) : repl(r) {}
+  } val;
+  // Position past the end of the argument id.
+  const Char* arg_id_end = nullptr;
+
+  FMT_CONSTEXPR format_part(kind k = kind::arg_index, value v = {})
+      : part_kind(k), val(v) {}
+
+  static FMT_CONSTEXPR format_part make_arg_index(int index) {
+    return format_part(kind::arg_index, index);
+  }
+  static FMT_CONSTEXPR format_part make_arg_name(basic_string_view<Char> name) {
+    return format_part(kind::arg_name, name);
+  }
+  static FMT_CONSTEXPR format_part make_text(basic_string_view<Char> text) {
+    return format_part(kind::text, text);
+  }
+  static FMT_CONSTEXPR format_part make_replacement(replacement repl) {
+    return format_part(kind::replacement, repl);
+  }
+};
+
+template <typename Char> struct part_counter {
+  unsigned num_parts = 0;
+
+  FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) {
+    if (begin != end) ++num_parts;
+  }
+
+  FMT_CONSTEXPR int on_arg_id() { return ++num_parts, 0; }
+  FMT_CONSTEXPR int on_arg_id(int) { return ++num_parts, 0; }
+  FMT_CONSTEXPR int on_arg_id(basic_string_view<Char>) {
+    return ++num_parts, 0;
+  }
+
+  FMT_CONSTEXPR void on_replacement_field(int, const Char*) {}
+
+  FMT_CONSTEXPR const Char* on_format_specs(int, const Char* begin,
+                                            const Char* end) {
+    // Find the matching brace.
+    unsigned brace_counter = 0;
+    for (; begin != end; ++begin) {
+      if (*begin == '{') {
+        ++brace_counter;
+      } else if (*begin == '}') {
+        if (brace_counter == 0u) break;
+        --brace_counter;
+      }
+    }
+    return begin;
+  }
+
+  FMT_CONSTEXPR void on_error(const char*) {}
+};
+
+// Counts the number of parts in a format string.
+template <typename Char>
+FMT_CONSTEXPR unsigned count_parts(basic_string_view<Char> format_str) {
+  part_counter<Char> counter;
+  parse_format_string<true>(format_str, counter);
+  return counter.num_parts;
+}
+
+template <typename Char, typename PartHandler>
+class format_string_compiler : public error_handler {
+ private:
+  using part = format_part<Char>;
+
+  PartHandler handler_;
+  part part_;
+  basic_string_view<Char> format_str_;
+  basic_format_parse_context<Char> parse_context_;
+
+ public:
+  FMT_CONSTEXPR format_string_compiler(basic_string_view<Char> format_str,
+                                       PartHandler handler)
+      : handler_(handler),
+        format_str_(format_str),
+        parse_context_(format_str) {}
+
+  FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) {
+    if (begin != end)
+      handler_(part::make_text({begin, to_unsigned(end - begin)}));
+  }
+
+  FMT_CONSTEXPR int on_arg_id() {
+    part_ = part::make_arg_index(parse_context_.next_arg_id());
+    return 0;
+  }
+
+  FMT_CONSTEXPR int on_arg_id(int id) {
+    parse_context_.check_arg_id(id);
+    part_ = part::make_arg_index(id);
+    return 0;
+  }
+
+  FMT_CONSTEXPR int on_arg_id(basic_string_view<Char> id) {
+    part_ = part::make_arg_name(id);
+    return 0;
+  }
+
+  FMT_CONSTEXPR void on_replacement_field(int, const Char* ptr) {
+    part_.arg_id_end = ptr;
+    handler_(part_);
+  }
+
+  FMT_CONSTEXPR const Char* on_format_specs(int, const Char* begin,
+                                            const Char* end) {
+    auto repl = typename part::replacement();
+    dynamic_specs_handler<basic_format_parse_context<Char>> handler(
+        repl.specs, parse_context_);
+    auto it = parse_format_specs(begin, end, handler);
+    if (*it != '}') on_error("missing '}' in format string");
+    repl.arg_id = part_.part_kind == part::kind::arg_index
+                      ? arg_ref<Char>(part_.val.arg_index)
+                      : arg_ref<Char>(part_.val.str);
+    auto part = part::make_replacement(repl);
+    part.arg_id_end = begin;
+    handler_(part);
+    return it;
+  }
+};
+
+// Compiles a format string and invokes handler(part) for each parsed part.
+template <bool IS_CONSTEXPR, typename Char, typename PartHandler>
+FMT_CONSTEXPR void compile_format_string(basic_string_view<Char> format_str,
+                                         PartHandler handler) {
+  parse_format_string<IS_CONSTEXPR>(
+      format_str,
+      format_string_compiler<Char, PartHandler>(format_str, handler));
+}
+
+template <typename OutputIt, typename Context, typename Id>
+void format_arg(
+    basic_format_parse_context<typename Context::char_type>& parse_ctx,
+    Context& ctx, Id arg_id) {
+  ctx.advance_to(visit_format_arg(
+      arg_formatter<OutputIt, typename Context::char_type>(ctx, &parse_ctx),
+      ctx.arg(arg_id)));
+}
+
+// vformat_to is defined in a subnamespace to prevent ADL.
+namespace cf {
+template <typename Context, typename OutputIt, typename CompiledFormat>
+auto vformat_to(OutputIt out, CompiledFormat& cf,
+                basic_format_args<Context> args) -> typename Context::iterator {
+  using char_type = typename Context::char_type;
+  basic_format_parse_context<char_type> parse_ctx(
+      to_string_view(cf.format_str_));
+  Context ctx(out, args);
+
+  const auto& parts = cf.parts();
+  for (auto part_it = std::begin(parts); part_it != std::end(parts);
+       ++part_it) {
+    const auto& part = *part_it;
+    const auto& value = part.val;
+
+    using format_part_t = format_part<char_type>;
+    switch (part.part_kind) {
+    case format_part_t::kind::text: {
+      const auto text = value.str;
+      auto output = ctx.out();
+      auto&& it = reserve(output, text.size());
+      it = std::copy_n(text.begin(), text.size(), it);
+      ctx.advance_to(output);
+      break;
+    }
+
+    case format_part_t::kind::arg_index:
+      advance_to(parse_ctx, part.arg_id_end);
+      detail::format_arg<OutputIt>(parse_ctx, ctx, value.arg_index);
+      break;
+
+    case format_part_t::kind::arg_name:
+      advance_to(parse_ctx, part.arg_id_end);
+      detail::format_arg<OutputIt>(parse_ctx, ctx, value.str);
+      break;
+
+    case format_part_t::kind::replacement: {
+      const auto& arg_id_value = value.repl.arg_id.val;
+      const auto arg = value.repl.arg_id.kind == arg_id_kind::index
+                           ? ctx.arg(arg_id_value.index)
+                           : ctx.arg(arg_id_value.name);
+
+      auto specs = value.repl.specs;
+
+      handle_dynamic_spec<width_checker>(specs.width, specs.width_ref, ctx);
+      handle_dynamic_spec<precision_checker>(specs.precision,
+                                             specs.precision_ref, ctx);
+
+      error_handler h;
+      numeric_specs_checker<error_handler> checker(h, arg.type());
+      if (specs.align == align::numeric) checker.require_numeric_argument();
+      if (specs.sign != sign::none) checker.check_sign();
+      if (specs.alt) checker.require_numeric_argument();
+      if (specs.precision >= 0) checker.check_precision();
+
+      advance_to(parse_ctx, part.arg_id_end);
+      ctx.advance_to(
+          visit_format_arg(arg_formatter<OutputIt, typename Context::char_type>(
+                               ctx, nullptr, &specs),
+                           arg));
+      break;
+    }
+    }
+  }
+  return ctx.out();
+}
+}  // namespace cf
+
+struct basic_compiled_format {};
+
+template <typename S, typename = void>
+struct compiled_format_base : basic_compiled_format {
+  using char_type = char_t<S>;
+  using parts_container = std::vector<detail::format_part<char_type>>;
+
+  parts_container compiled_parts;
+
+  explicit compiled_format_base(basic_string_view<char_type> format_str) {
+    compile_format_string<false>(format_str,
+                                 [this](const format_part<char_type>& part) {
+                                   compiled_parts.push_back(part);
+                                 });
+  }
+
+  const parts_container& parts() const { return compiled_parts; }
+};
+
+template <typename Char, unsigned N> struct format_part_array {
+  format_part<Char> data[N] = {};
+  FMT_CONSTEXPR format_part_array() = default;
+};
+
+template <typename Char, unsigned N>
+FMT_CONSTEXPR format_part_array<Char, N> compile_to_parts(
+    basic_string_view<Char> format_str) {
+  format_part_array<Char, N> parts;
+  unsigned counter = 0;
+  // This is not a lambda for compatibility with older compilers.
+  struct {
+    format_part<Char>* parts;
+    unsigned* counter;
+    FMT_CONSTEXPR void operator()(const format_part<Char>& part) {
+      parts[(*counter)++] = part;
+    }
+  } collector{parts.data, &counter};
+  compile_format_string<true>(format_str, collector);
+  if (counter < N) {
+    parts.data[counter] =
+        format_part<Char>::make_text(basic_string_view<Char>());
+  }
+  return parts;
+}
+
+template <typename T> constexpr const T& constexpr_max(const T& a, const T& b) {
+  return (a < b) ? b : a;
+}
+
+template <typename S>
+struct compiled_format_base<S, enable_if_t<is_compile_string<S>::value>>
+    : basic_compiled_format {
+  using char_type = char_t<S>;
+
+  FMT_CONSTEXPR explicit compiled_format_base(basic_string_view<char_type>) {}
+
+// Workaround for old compilers. Format string compilation will not be
+// performed there anyway.
+#if FMT_USE_CONSTEXPR
+  static FMT_CONSTEXPR_DECL const unsigned num_format_parts =
+      constexpr_max(count_parts(to_string_view(S())), 1u);
+#else
+  static const unsigned num_format_parts = 1;
+#endif
+
+  using parts_container = format_part<char_type>[num_format_parts];
+
+  const parts_container& parts() const {
+    static FMT_CONSTEXPR_DECL const auto compiled_parts =
+        compile_to_parts<char_type, num_format_parts>(
+            detail::to_string_view(S()));
+    return compiled_parts.data;
+  }
+};
+
+template <typename S, typename... Args>
+class compiled_format : private compiled_format_base<S> {
+ public:
+  using typename compiled_format_base<S>::char_type;
+
+ private:
+  basic_string_view<char_type> format_str_;
+
+  template <typename Context, typename OutputIt, typename CompiledFormat>
+  friend auto cf::vformat_to(OutputIt out, CompiledFormat& cf,
+                             basic_format_args<Context> args) ->
+      typename Context::iterator;
+
+ public:
+  compiled_format() = delete;
+  explicit constexpr compiled_format(basic_string_view<char_type> format_str)
+      : compiled_format_base<S>(format_str), format_str_(format_str) {}
+};
+
+#ifdef __cpp_if_constexpr
+template <typename... Args> struct type_list {};
+
+// Returns a reference to the argument at index N from [first, rest...].
+template <int N, typename T, typename... Args>
+constexpr const auto& get([[maybe_unused]] const T& first,
+                          [[maybe_unused]] const Args&... rest) {
+  static_assert(N < 1 + sizeof...(Args), "index is out of bounds");
+  if constexpr (N == 0)
+    return first;
+  else
+    return get<N - 1>(rest...);
+}
+
+template <int N, typename> struct get_type_impl;
+
+template <int N, typename... Args> struct get_type_impl<N, type_list<Args...>> {
+  using type = remove_cvref_t<decltype(get<N>(std::declval<Args>()...))>;
+};
+
+template <int N, typename T>
+using get_type = typename get_type_impl<N, T>::type;
+
+template <typename T> struct is_compiled_format : std::false_type {};
+
+template <typename Char> struct text {
+  basic_string_view<Char> data;
+  using char_type = Char;
+
+  template <typename OutputIt, typename... Args>
+  OutputIt format(OutputIt out, const Args&...) const {
+    return write<Char>(out, data);
+  }
+};
+
+template <typename Char>
+struct is_compiled_format<text<Char>> : std::true_type {};
+
+template <typename Char>
+constexpr text<Char> make_text(basic_string_view<Char> s, size_t pos,
+                               size_t size) {
+  return {{&s[pos], size}};
+}
+
+template <typename Char> struct code_unit {
+  Char value;
+  using char_type = Char;
+
+  template <typename OutputIt, typename... Args>
+  OutputIt format(OutputIt out, const Args&...) const {
+    return write<Char>(out, value);
+  }
+};
+
+template <typename Char>
+struct is_compiled_format<code_unit<Char>> : std::true_type {};
+
+// A replacement field that refers to argument N.
+template <typename Char, typename T, int N> struct field {
+  using char_type = Char;
+
+  template <typename OutputIt, typename... Args>
+  OutputIt format(OutputIt out, const Args&... args) const {
+    // This ensures that the argument type is convertile to `const T&`.
+    const T& arg = get<N>(args...);
+    return write<Char>(out, arg);
+  }
+};
+
+template <typename Char, typename T, int N>
+struct is_compiled_format<field<Char, T, N>> : std::true_type {};
+
+// A replacement field that refers to argument N and has format specifiers.
+template <typename Char, typename T, int N> struct spec_field {
+  using char_type = Char;
+  mutable formatter<T, Char> fmt;
+
+  template <typename OutputIt, typename... Args>
+  OutputIt format(OutputIt out, const Args&... args) const {
+    // This ensures that the argument type is convertile to `const T&`.
+    const T& arg = get<N>(args...);
+    const auto& vargs =
+        make_format_args<basic_format_context<OutputIt, Char>>(args...);
+    basic_format_context<OutputIt, Char> ctx(out, vargs);
+    return fmt.format(arg, ctx);
+  }
+};
+
+template <typename Char, typename T, int N>
+struct is_compiled_format<spec_field<Char, T, N>> : std::true_type {};
+
+template <typename L, typename R> struct concat {
+  L lhs;
+  R rhs;
+  using char_type = typename L::char_type;
+
+  template <typename OutputIt, typename... Args>
+  OutputIt format(OutputIt out, const Args&... args) const {
+    out = lhs.format(out, args...);
+    return rhs.format(out, args...);
+  }
+};
+
+template <typename L, typename R>
+struct is_compiled_format<concat<L, R>> : std::true_type {};
+
+template <typename L, typename R>
+constexpr concat<L, R> make_concat(L lhs, R rhs) {
+  return {lhs, rhs};
+}
+
+struct unknown_format {};
+
+template <typename Char>
+constexpr size_t parse_text(basic_string_view<Char> str, size_t pos) {
+  for (size_t size = str.size(); pos != size; ++pos) {
+    if (str[pos] == '{' || str[pos] == '}') break;
+  }
+  return pos;
+}
+
+template <typename Args, size_t POS, int ID, typename S>
+constexpr auto compile_format_string(S format_str);
+
+template <typename Args, size_t POS, int ID, typename T, typename S>
+constexpr auto parse_tail(T head, S format_str) {
+  if constexpr (POS !=
+                basic_string_view<typename S::char_type>(format_str).size()) {
+    constexpr auto tail = compile_format_string<Args, POS, ID>(format_str);
+    if constexpr (std::is_same<remove_cvref_t<decltype(tail)>,
+                               unknown_format>())
+      return tail;
+    else
+      return make_concat(head, tail);
+  } else {
+    return head;
+  }
+}
+
+template <typename T, typename Char> struct parse_specs_result {
+  formatter<T, Char> fmt;
+  size_t end;
+  int next_arg_id;
+};
+
+template <typename T, typename Char>
+constexpr parse_specs_result<T, Char> parse_specs(basic_string_view<Char> str,
+                                                  size_t pos, int arg_id) {
+  str.remove_prefix(pos);
+  auto ctx = basic_format_parse_context<Char>(str, {}, arg_id + 1);
+  auto f = formatter<T, Char>();
+  auto end = f.parse(ctx);
+  return {f, pos + (end - str.data()) + 1, ctx.next_arg_id()};
+}
+
+// Compiles a non-empty format string and returns the compiled representation
+// or unknown_format() on unrecognized input.
+template <typename Args, size_t POS, int ID, typename S>
+constexpr auto compile_format_string(S format_str) {
+  using char_type = typename S::char_type;
+  constexpr basic_string_view<char_type> str = format_str;
+  if constexpr (str[POS] == '{') {
+    if (POS + 1 == str.size())
+      throw format_error("unmatched '{' in format string");
+    if constexpr (str[POS + 1] == '{') {
+      return parse_tail<Args, POS + 2, ID>(make_text(str, POS, 1), format_str);
+    } else if constexpr (str[POS + 1] == '}') {
+      using type = get_type<ID, Args>;
+      return parse_tail<Args, POS + 2, ID + 1>(field<char_type, type, ID>(),
+                                               format_str);
+    } else if constexpr (str[POS + 1] == ':') {
+      using type = get_type<ID, Args>;
+      constexpr auto result = parse_specs<type>(str, POS + 2, ID);
+      return parse_tail<Args, result.end, result.next_arg_id>(
+          spec_field<char_type, type, ID>{result.fmt}, format_str);
+    } else {
+      return unknown_format();
+    }
+  } else if constexpr (str[POS] == '}') {
+    if (POS + 1 == str.size())
+      throw format_error("unmatched '}' in format string");
+    return parse_tail<Args, POS + 2, ID>(make_text(str, POS, 1), format_str);
+  } else {
+    constexpr auto end = parse_text(str, POS + 1);
+    if constexpr (end - POS > 1) {
+      return parse_tail<Args, end, ID>(make_text(str, POS, end - POS),
+                                       format_str);
+    } else {
+      return parse_tail<Args, end, ID>(code_unit<char_type>{str[POS]},
+                                       format_str);
+    }
+  }
+}
+
+template <typename... Args, typename S,
+          FMT_ENABLE_IF(is_compile_string<S>::value ||
+                        detail::is_compiled_string<S>::value)>
+constexpr auto compile(S format_str) {
+  constexpr basic_string_view<typename S::char_type> str = format_str;
+  if constexpr (str.size() == 0) {
+    return detail::make_text(str, 0, 0);
+  } else {
+    constexpr auto result =
+        detail::compile_format_string<detail::type_list<Args...>, 0, 0>(
+            format_str);
+    if constexpr (std::is_same<remove_cvref_t<decltype(result)>,
+                               detail::unknown_format>()) {
+      return detail::compiled_format<S, Args...>(to_string_view(format_str));
+    } else {
+      return result;
+    }
+  }
+}
+#else
+template <typename... Args, typename S,
+          FMT_ENABLE_IF(is_compile_string<S>::value)>
+constexpr auto compile(S format_str) -> detail::compiled_format<S, Args...> {
+  return detail::compiled_format<S, Args...>(to_string_view(format_str));
+}
+#endif  // __cpp_if_constexpr
+
+// Compiles the format string which must be a string literal.
+template <typename... Args, typename Char, size_t N>
+auto compile(const Char (&format_str)[N])
+    -> detail::compiled_format<const Char*, Args...> {
+  return detail::compiled_format<const Char*, Args...>(
+      basic_string_view<Char>(format_str, N - 1));
+}
+}  // namespace detail
+
+// DEPRECATED! use FMT_COMPILE instead.
+template <typename... Args>
+FMT_DEPRECATED auto compile(const Args&... args)
+    -> decltype(detail::compile(args...)) {
+  return detail::compile(args...);
+}
+
+#if FMT_USE_CONSTEXPR
+#  ifdef __cpp_if_constexpr
+
+template <typename CompiledFormat, typename... Args,
+          typename Char = typename CompiledFormat::char_type,
+          FMT_ENABLE_IF(detail::is_compiled_format<CompiledFormat>::value)>
+FMT_INLINE std::basic_string<Char> format(const CompiledFormat& cf,
+                                          const Args&... args) {
+  basic_memory_buffer<Char> buffer;
+  cf.format(detail::buffer_appender<Char>(buffer), args...);
+  return to_string(buffer);
+}
+
+template <typename OutputIt, typename CompiledFormat, typename... Args,
+          FMT_ENABLE_IF(detail::is_compiled_format<CompiledFormat>::value)>
+OutputIt format_to(OutputIt out, const CompiledFormat& cf,
+                   const Args&... args) {
+  return cf.format(out, args...);
+}
+#  endif  // __cpp_if_constexpr
+#endif    // FMT_USE_CONSTEXPR
+
+template <typename CompiledFormat, typename... Args,
+          typename Char = typename CompiledFormat::char_type,
+          FMT_ENABLE_IF(std::is_base_of<detail::basic_compiled_format,
+                                        CompiledFormat>::value)>
+std::basic_string<Char> format(const CompiledFormat& cf, const Args&... args) {
+  basic_memory_buffer<Char> buffer;
+  using context = buffer_context<Char>;
+  detail::cf::vformat_to<context>(detail::buffer_appender<Char>(buffer), cf,
+                                  make_format_args<context>(args...));
+  return to_string(buffer);
+}
+
+template <typename S, typename... Args,
+          FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
+FMT_INLINE std::basic_string<typename S::char_type> format(const S&,
+                                                           Args&&... args) {
+#ifdef __cpp_if_constexpr
+  if constexpr (std::is_same<typename S::char_type, char>::value) {
+    constexpr basic_string_view<typename S::char_type> str = S();
+    if (str.size() == 2 && str[0] == '{' && str[1] == '}')
+      return fmt::to_string(detail::first(args...));
+  }
+#endif
+  constexpr auto compiled = detail::compile<Args...>(S());
+  return format(compiled, std::forward<Args>(args)...);
+}
+
+template <typename OutputIt, typename CompiledFormat, typename... Args,
+          FMT_ENABLE_IF(std::is_base_of<detail::basic_compiled_format,
+                                        CompiledFormat>::value)>
+OutputIt format_to(OutputIt out, const CompiledFormat& cf,
+                   const Args&... args) {
+  using char_type = typename CompiledFormat::char_type;
+  using context = format_context_t<OutputIt, char_type>;
+  return detail::cf::vformat_to<context>(out, cf,
+                                         make_format_args<context>(args...));
+}
+
+template <typename OutputIt, typename S, typename... Args,
+          FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
+OutputIt format_to(OutputIt out, const S&, const Args&... args) {
+  constexpr auto compiled = detail::compile<Args...>(S());
+  return format_to(out, compiled, args...);
+}
+
+template <
+    typename OutputIt, typename CompiledFormat, typename... Args,
+    FMT_ENABLE_IF(detail::is_output_iterator<OutputIt>::value&& std::is_base_of<
+                  detail::basic_compiled_format, CompiledFormat>::value)>
+format_to_n_result<OutputIt> format_to_n(OutputIt out, size_t n,
+                                         const CompiledFormat& cf,
+                                         const Args&... args) {
+  auto it =
+      format_to(detail::truncating_iterator<OutputIt>(out, n), cf, args...);
+  return {it.base(), it.count()};
+}
+
+template <typename OutputIt, typename S, typename... Args,
+          FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
+format_to_n_result<OutputIt> format_to_n(OutputIt out, size_t n, const S&,
+                                         const Args&... args) {
+  constexpr auto compiled = detail::compile<Args...>(S());
+  auto it = format_to(detail::truncating_iterator<OutputIt>(out, n), compiled,
+                      args...);
+  return {it.base(), it.count()};
+}
+
+template <typename CompiledFormat, typename... Args>
+size_t formatted_size(const CompiledFormat& cf, const Args&... args) {
+  return format_to(detail::counting_iterator(), cf, args...).count();
+}
+
+FMT_END_NAMESPACE
+
+#endif  // FMT_COMPILE_H_

src/3rdparty/fmt/format.cc

@@ -0,0 +1,69 @@
+// Formatting library for C++
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#include "3rdparty/fmt/format-inl.h"
+
+FMT_BEGIN_NAMESPACE
+namespace detail {
+
+template <typename T>
+int format_float(char* buf, std::size_t size, const char* format, int precision,
+                 T value) {
+#ifdef FMT_FUZZ
+  if (precision > 100000)
+    throw std::runtime_error(
+        "fuzz mode - avoid large allocation inside snprintf");
+#endif
+  // Suppress the warning about nonliteral format string.
+  int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF;
+  return precision < 0 ? snprintf_ptr(buf, size, format, value)
+                       : snprintf_ptr(buf, size, format, precision, value);
+}
+}  // namespace detail
+
+template struct FMT_INSTANTIATION_DEF_API detail::basic_data<void>;
+
+// Workaround a bug in MSVC2013 that prevents instantiation of format_float.
+int (*instantiate_format_float)(double, int, detail::float_specs,
+                                detail::buffer<char>&) = detail::format_float;
+
+#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
+template FMT_API detail::locale_ref::locale_ref(const std::locale& loc);
+template FMT_API std::locale detail::locale_ref::get<std::locale>() const;
+#endif
+
+// Explicit instantiations for char.
+
+template FMT_API std::string detail::grouping_impl<char>(locale_ref);
+template FMT_API char detail::thousands_sep_impl(locale_ref);
+template FMT_API char detail::decimal_point_impl(locale_ref);
+
+template FMT_API void detail::buffer<char>::append(const char*, const char*);
+
+template FMT_API FMT_BUFFER_CONTEXT(char)::iterator detail::vformat_to(
+    detail::buffer<char>&, string_view,
+    basic_format_args<FMT_BUFFER_CONTEXT(char)>);
+
+template FMT_API int detail::snprintf_float(double, int, detail::float_specs,
+                                            detail::buffer<char>&);
+template FMT_API int detail::snprintf_float(long double, int,
+                                            detail::float_specs,
+                                            detail::buffer<char>&);
+template FMT_API int detail::format_float(double, int, detail::float_specs,
+                                          detail::buffer<char>&);
+template FMT_API int detail::format_float(long double, int, detail::float_specs,
+                                          detail::buffer<char>&);
+
+// Explicit instantiations for wchar_t.
+
+template FMT_API std::string detail::grouping_impl<wchar_t>(locale_ref);
+template FMT_API wchar_t detail::thousands_sep_impl(locale_ref);
+template FMT_API wchar_t detail::decimal_point_impl(locale_ref);
+
+template FMT_API void detail::buffer<wchar_t>::append(const wchar_t*,
+                                                      const wchar_t*);
+FMT_END_NAMESPACE

src/3rdparty/fmt/locale.h

@@ -0,0 +1,78 @@
+// Formatting library for C++ - std::locale support
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_LOCALE_H_
+#define FMT_LOCALE_H_
+
+#include <locale>
+
+#include "format.h"
+
+FMT_BEGIN_NAMESPACE
+
+namespace detail {
+template <typename Char>
+typename buffer_context<Char>::iterator vformat_to(
+    const std::locale& loc, buffer<Char>& buf,
+    basic_string_view<Char> format_str,
+    basic_format_args<buffer_context<type_identity_t<Char>>> args) {
+  using af = arg_formatter<typename buffer_context<Char>::iterator, Char>;
+  return vformat_to<af>(buffer_appender<Char>(buf), to_string_view(format_str),
+                        args, detail::locale_ref(loc));
+}
+
+template <typename Char>
+std::basic_string<Char> vformat(
+    const std::locale& loc, basic_string_view<Char> format_str,
+    basic_format_args<buffer_context<type_identity_t<Char>>> args) {
+  basic_memory_buffer<Char> buffer;
+  detail::vformat_to(loc, buffer, format_str, args);
+  return fmt::to_string(buffer);
+}
+}  // namespace detail
+
+template <typename S, typename Char = char_t<S>>
+inline std::basic_string<Char> vformat(
+    const std::locale& loc, const S& format_str,
+    basic_format_args<buffer_context<type_identity_t<Char>>> args) {
+  return detail::vformat(loc, to_string_view(format_str), args);
+}
+
+template <typename S, typename... Args, typename Char = char_t<S>>
+inline std::basic_string<Char> format(const std::locale& loc,
+                                      const S& format_str, Args&&... args) {
+  return detail::vformat(
+      loc, to_string_view(format_str),
+      fmt::make_args_checked<Args...>(format_str, args...));
+}
+
+template <typename S, typename OutputIt, typename... Args,
+          typename Char = enable_if_t<
+              detail::is_output_iterator<OutputIt>::value, char_t<S>>>
+inline OutputIt vformat_to(
+    OutputIt out, const std::locale& loc, const S& format_str,
+    basic_format_args<buffer_context<type_identity_t<Char>>> args) {
+  decltype(detail::get_buffer<Char>(out)) buf(detail::get_buffer_init(out));
+  using af =
+    detail::arg_formatter<typename buffer_context<Char>::iterator, Char>;
+  vformat_to<af>(detail::buffer_appender<Char>(buf), to_string_view(format_str),
+                 args, detail::locale_ref(loc));
+  return detail::get_iterator(buf);
+}
+
+template <typename OutputIt, typename S, typename... Args,
+          FMT_ENABLE_IF(detail::is_output_iterator<OutputIt>::value&&
+                            detail::is_string<S>::value)>
+inline OutputIt format_to(OutputIt out, const std::locale& loc,
+                          const S& format_str, Args&&... args) {
+  const auto& vargs = fmt::make_args_checked<Args...>(format_str, args...);
+  return vformat_to(out, loc, to_string_view(format_str), vargs);
+}
+
+FMT_END_NAMESPACE
+
+#endif  // FMT_LOCALE_H_

src/3rdparty/fmt/os.cc

@@ -0,0 +1,322 @@
+// Formatting library for C++ - optional OS-specific functionality
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+// Disable bogus MSVC warnings.
+#if !defined(_CRT_SECURE_NO_WARNINGS) && defined(_MSC_VER)
+#  define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "fmt/os.h"
+
+#include <climits>
+
+#if FMT_USE_FCNTL
+#  include <sys/stat.h>
+#  include <sys/types.h>
+
+#  ifndef _WIN32
+#    include <unistd.h>
+#  else
+#    ifndef WIN32_LEAN_AND_MEAN
+#      define WIN32_LEAN_AND_MEAN
+#    endif
+#    include <io.h>
+#    include <windows.h>
+
+#    define O_CREAT _O_CREAT
+#    define O_TRUNC _O_TRUNC
+
+#    ifndef S_IRUSR
+#      define S_IRUSR _S_IREAD
+#    endif
+
+#    ifndef S_IWUSR
+#      define S_IWUSR _S_IWRITE
+#    endif
+
+#    ifdef __MINGW32__
+#      define _SH_DENYNO 0x40
+#    endif
+#  endif  // _WIN32
+#endif    // FMT_USE_FCNTL
+
+#ifdef _WIN32
+#  include <windows.h>
+#endif
+
+#ifdef fileno
+#  undef fileno
+#endif
+
+namespace {
+#ifdef _WIN32
+// Return type of read and write functions.
+using RWResult = int;
+
+// On Windows the count argument to read and write is unsigned, so convert
+// it from size_t preventing integer overflow.
+inline unsigned convert_rwcount(std::size_t count) {
+  return count <= UINT_MAX ? static_cast<unsigned>(count) : UINT_MAX;
+}
+#else
+// Return type of read and write functions.
+using RWResult = ssize_t;
+
+inline std::size_t convert_rwcount(std::size_t count) { return count; }
+#endif
+}  // namespace
+
+FMT_BEGIN_NAMESPACE
+
+#ifdef _WIN32
+detail::utf16_to_utf8::utf16_to_utf8(wstring_view s) {
+  if (int error_code = convert(s)) {
+    FMT_THROW(windows_error(error_code,
+                            "cannot convert string from UTF-16 to UTF-8"));
+  }
+}
+
+int detail::utf16_to_utf8::convert(wstring_view s) {
+  if (s.size() > INT_MAX) return ERROR_INVALID_PARAMETER;
+  int s_size = static_cast<int>(s.size());
+  if (s_size == 0) {
+    // WideCharToMultiByte does not support zero length, handle separately.
+    buffer_.resize(1);
+    buffer_[0] = 0;
+    return 0;
+  }
+
+  int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, nullptr, 0,
+                                   nullptr, nullptr);
+  if (length == 0) return GetLastError();
+  buffer_.resize(length + 1);
+  length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, &buffer_[0],
+                               length, nullptr, nullptr);
+  if (length == 0) return GetLastError();
+  buffer_[length] = 0;
+  return 0;
+}
+
+void windows_error::init(int err_code, string_view format_str,
+                         format_args args) {
+  error_code_ = err_code;
+  memory_buffer buffer;
+  detail::format_windows_error(buffer, err_code, vformat(format_str, args));
+  std::runtime_error& base = *this;
+  base = std::runtime_error(to_string(buffer));
+}
+
+void detail::format_windows_error(detail::buffer<char>& out, int error_code,
+                                  string_view message) FMT_NOEXCEPT {
+  FMT_TRY {
+    wmemory_buffer buf;
+    buf.resize(inline_buffer_size);
+    for (;;) {
+      wchar_t* system_message = &buf[0];
+      int result = FormatMessageW(
+          FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, nullptr,
+          error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), system_message,
+          static_cast<uint32_t>(buf.size()), nullptr);
+      if (result != 0) {
+        utf16_to_utf8 utf8_message;
+        if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
+          format_to(buffer_appender<char>(out), "{}: {}", message,
+                    utf8_message);
+          return;
+        }
+        break;
+      }
+      if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
+        break;  // Can't get error message, report error code instead.
+      buf.resize(buf.size() * 2);
+    }
+  }
+  FMT_CATCH(...) {}
+  format_error_code(out, error_code, message);
+}
+
+void report_windows_error(int error_code,
+                          fmt::string_view message) FMT_NOEXCEPT {
+  report_error(detail::format_windows_error, error_code, message);
+}
+#endif  // _WIN32
+
+buffered_file::~buffered_file() FMT_NOEXCEPT {
+  if (file_ && FMT_SYSTEM(fclose(file_)) != 0)
+    report_system_error(errno, "cannot close file");
+}
+
+buffered_file::buffered_file(cstring_view filename, cstring_view mode) {
+  FMT_RETRY_VAL(file_, FMT_SYSTEM(fopen(filename.c_str(), mode.c_str())),
+                nullptr);
+  if (!file_)
+    FMT_THROW(system_error(errno, "cannot open file {}", filename.c_str()));
+}
+
+void buffered_file::close() {
+  if (!file_) return;
+  int result = FMT_SYSTEM(fclose(file_));
+  file_ = nullptr;
+  if (result != 0) FMT_THROW(system_error(errno, "cannot close file"));
+}
+
+// A macro used to prevent expansion of fileno on broken versions of MinGW.
+#define FMT_ARGS
+
+int buffered_file::fileno() const {
+  int fd = FMT_POSIX_CALL(fileno FMT_ARGS(file_));
+  if (fd == -1) FMT_THROW(system_error(errno, "cannot get file descriptor"));
+  return fd;
+}
+
+#if FMT_USE_FCNTL
+file::file(cstring_view path, int oflag) {
+  int mode = S_IRUSR | S_IWUSR;
+#  if defined(_WIN32) && !defined(__MINGW32__)
+  fd_ = -1;
+  FMT_POSIX_CALL(sopen_s(&fd_, path.c_str(), oflag, _SH_DENYNO, mode));
+#  else
+  FMT_RETRY(fd_, FMT_POSIX_CALL(open(path.c_str(), oflag, mode)));
+#  endif
+  if (fd_ == -1)
+    FMT_THROW(system_error(errno, "cannot open file {}", path.c_str()));
+}
+
+file::~file() FMT_NOEXCEPT {
+  // Don't retry close in case of EINTR!
+  // See http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html
+  if (fd_ != -1 && FMT_POSIX_CALL(close(fd_)) != 0)
+    report_system_error(errno, "cannot close file");
+}
+
+void file::close() {
+  if (fd_ == -1) return;
+  // Don't retry close in case of EINTR!
+  // See http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html
+  int result = FMT_POSIX_CALL(close(fd_));
+  fd_ = -1;
+  if (result != 0) FMT_THROW(system_error(errno, "cannot close file"));
+}
+
+long long file::size() const {
+#  ifdef _WIN32
+  // Use GetFileSize instead of GetFileSizeEx for the case when _WIN32_WINNT
+  // is less than 0x0500 as is the case with some default MinGW builds.
+  // Both functions support large file sizes.
+  DWORD size_upper = 0;
+  HANDLE handle = reinterpret_cast<HANDLE>(_get_osfhandle(fd_));
+  DWORD size_lower = FMT_SYSTEM(GetFileSize(handle, &size_upper));
+  if (size_lower == INVALID_FILE_SIZE) {
+    DWORD error = GetLastError();
+    if (error != NO_ERROR)
+      FMT_THROW(windows_error(GetLastError(), "cannot get file size"));
+  }
+  unsigned long long long_size = size_upper;
+  return (long_size << sizeof(DWORD) * CHAR_BIT) | size_lower;
+#  else
+  using Stat = struct stat;
+  Stat file_stat = Stat();
+  if (FMT_POSIX_CALL(fstat(fd_, &file_stat)) == -1)
+    FMT_THROW(system_error(errno, "cannot get file attributes"));
+  static_assert(sizeof(long long) >= sizeof(file_stat.st_size),
+                "return type of file::size is not large enough");
+  return file_stat.st_size;
+#  endif
+}
+
+std::size_t file::read(void* buffer, std::size_t count) {
+  RWResult result = 0;
+  FMT_RETRY(result, FMT_POSIX_CALL(read(fd_, buffer, convert_rwcount(count))));
+  if (result < 0) FMT_THROW(system_error(errno, "cannot read from file"));
+  return detail::to_unsigned(result);
+}
+
+std::size_t file::write(const void* buffer, std::size_t count) {
+  RWResult result = 0;
+  FMT_RETRY(result, FMT_POSIX_CALL(write(fd_, buffer, convert_rwcount(count))));
+  if (result < 0) FMT_THROW(system_error(errno, "cannot write to file"));
+  return detail::to_unsigned(result);
+}
+
+file file::dup(int fd) {
+  // Don't retry as dup doesn't return EINTR.
+  // http://pubs.opengroup.org/onlinepubs/009695399/functions/dup.html
+  int new_fd = FMT_POSIX_CALL(dup(fd));
+  if (new_fd == -1)
+    FMT_THROW(system_error(errno, "cannot duplicate file descriptor {}", fd));
+  return file(new_fd);
+}
+
+void file::dup2(int fd) {
+  int result = 0;
+  FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd)));
+  if (result == -1) {
+    FMT_THROW(system_error(errno, "cannot duplicate file descriptor {} to {}",
+                           fd_, fd));
+  }
+}
+
+void file::dup2(int fd, error_code& ec) FMT_NOEXCEPT {
+  int result = 0;
+  FMT_RETRY(result, FMT_POSIX_CALL(dup2(fd_, fd)));
+  if (result == -1) ec = error_code(errno);
+}
+
+void file::pipe(file& read_end, file& write_end) {
+  // Close the descriptors first to make sure that assignments don't throw
+  // and there are no leaks.
+  read_end.close();
+  write_end.close();
+  int fds[2] = {};
+#  ifdef _WIN32
+  // Make the default pipe capacity same as on Linux 2.6.11+.
+  enum { DEFAULT_CAPACITY = 65536 };
+  int result = FMT_POSIX_CALL(pipe(fds, DEFAULT_CAPACITY, _O_BINARY));
+#  else
+  // Don't retry as the pipe function doesn't return EINTR.
+  // http://pubs.opengroup.org/onlinepubs/009696799/functions/pipe.html
+  int result = FMT_POSIX_CALL(pipe(fds));
+#  endif
+  if (result != 0) FMT_THROW(system_error(errno, "cannot create pipe"));
+  // The following assignments don't throw because read_fd and write_fd
+  // are closed.
+  read_end = file(fds[0]);
+  write_end = file(fds[1]);
+}
+
+buffered_file file::fdopen(const char* mode) {
+// Don't retry as fdopen doesn't return EINTR.
+#  if defined(__MINGW32__) && defined(_POSIX_)
+  FILE* f = ::fdopen(fd_, mode);
+#  else
+  FILE* f = FMT_POSIX_CALL(fdopen(fd_, mode));
+#  endif
+  if (!f)
+    FMT_THROW(
+        system_error(errno, "cannot associate stream with file descriptor"));
+  buffered_file bf(f);
+  fd_ = -1;
+  return bf;
+}
+
+long getpagesize() {
+#  ifdef _WIN32
+  SYSTEM_INFO si;
+  GetSystemInfo(&si);
+  return si.dwPageSize;
+#  else
+  long size = FMT_POSIX_CALL(sysconf(_SC_PAGESIZE));
+  if (size < 0) FMT_THROW(system_error(errno, "cannot get memory page size"));
+  return size;
+#  endif
+}
+
+void ostream::grow(size_t) {
+  if (this->size() == this->capacity()) flush();
+}
+#endif  // FMT_USE_FCNTL
+FMT_END_NAMESPACE

src/3rdparty/fmt/os.h

@@ -0,0 +1,480 @@
+// Formatting library for C++ - optional OS-specific functionality
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_OS_H_
+#define FMT_OS_H_
+
+#if defined(__MINGW32__) || defined(__CYGWIN__)
+// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
+#  undef __STRICT_ANSI__
+#endif
+
+#include <cerrno>
+#include <clocale>  // for locale_t
+#include <cstddef>
+#include <cstdio>
+#include <cstdlib>  // for strtod_l
+
+#if defined __APPLE__ || defined(__FreeBSD__)
+#  include <xlocale.h>  // for LC_NUMERIC_MASK on OS X
+#endif
+
+#include "format.h"
+
+// UWP doesn't provide _pipe.
+#if FMT_HAS_INCLUDE("winapifamily.h")
+#  include <winapifamily.h>
+#endif
+#if (FMT_HAS_INCLUDE(<fcntl.h>) || defined(__APPLE__) || \
+     defined(__linux__)) &&                              \
+    (!defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP))
+#  include <fcntl.h>  // for O_RDONLY
+#  define FMT_USE_FCNTL 1
+#else
+#  define FMT_USE_FCNTL 0
+#endif
+
+#ifndef FMT_POSIX
+#  if defined(_WIN32) && !defined(__MINGW32__)
+// Fix warnings about deprecated symbols.
+#    define FMT_POSIX(call) _##call
+#  else
+#    define FMT_POSIX(call) call
+#  endif
+#endif
+
+// Calls to system functions are wrapped in FMT_SYSTEM for testability.
+#ifdef FMT_SYSTEM
+#  define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
+#else
+#  define FMT_SYSTEM(call) ::call
+#  ifdef _WIN32
+// Fix warnings about deprecated symbols.
+#    define FMT_POSIX_CALL(call) ::_##call
+#  else
+#    define FMT_POSIX_CALL(call) ::call
+#  endif
+#endif
+
+// Retries the expression while it evaluates to error_result and errno
+// equals to EINTR.
+#ifndef _WIN32
+#  define FMT_RETRY_VAL(result, expression, error_result) \
+    do {                                                  \
+      (result) = (expression);                            \
+    } while ((result) == (error_result) && errno == EINTR)
+#else
+#  define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
+#endif
+
+#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
+
+FMT_BEGIN_NAMESPACE
+
+/**
+  \rst
+  A reference to a null-terminated string. It can be constructed from a C
+  string or ``std::string``.
+
+  You can use one of the following type aliases for common character types:
+
+  +---------------+-----------------------------+
+  | Type          | Definition                  |
+  +===============+=============================+
+  | cstring_view  | basic_cstring_view<char>    |
+  +---------------+-----------------------------+
+  | wcstring_view | basic_cstring_view<wchar_t> |
+  +---------------+-----------------------------+
+
+  This class is most useful as a parameter type to allow passing
+  different types of strings to a function, for example::
+
+    template <typename... Args>
+    std::string format(cstring_view format_str, const Args & ... args);
+
+    format("{}", 42);
+    format(std::string("{}"), 42);
+  \endrst
+ */
+template <typename Char> class basic_cstring_view {
+ private:
+  const Char* data_;
+
+ public:
+  /** Constructs a string reference object from a C string. */
+  basic_cstring_view(const Char* s) : data_(s) {}
+
+  /**
+    \rst
+    Constructs a string reference from an ``std::string`` object.
+    \endrst
+   */
+  basic_cstring_view(const std::basic_string<Char>& s) : data_(s.c_str()) {}
+
+  /** Returns the pointer to a C string. */
+  const Char* c_str() const { return data_; }
+};
+
+using cstring_view = basic_cstring_view<char>;
+using wcstring_view = basic_cstring_view<wchar_t>;
+
+// An error code.
+class error_code {
+ private:
+  int value_;
+
+ public:
+  explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
+
+  int get() const FMT_NOEXCEPT { return value_; }
+};
+
+#ifdef _WIN32
+namespace detail {
+// A converter from UTF-16 to UTF-8.
+// It is only provided for Windows since other systems support UTF-8 natively.
+class utf16_to_utf8 {
+ private:
+  memory_buffer buffer_;
+
+ public:
+  utf16_to_utf8() {}
+  FMT_API explicit utf16_to_utf8(wstring_view s);
+  operator string_view() const { return string_view(&buffer_[0], size()); }
+  size_t size() const { return buffer_.size() - 1; }
+  const char* c_str() const { return &buffer_[0]; }
+  std::string str() const { return std::string(&buffer_[0], size()); }
+
+  // Performs conversion returning a system error code instead of
+  // throwing exception on conversion error. This method may still throw
+  // in case of memory allocation error.
+  FMT_API int convert(wstring_view s);
+};
+
+FMT_API void format_windows_error(buffer<char>& out, int error_code,
+                                  string_view message) FMT_NOEXCEPT;
+}  // namespace detail
+
+/** A Windows error. */
+class windows_error : public system_error {
+ private:
+  FMT_API void init(int error_code, string_view format_str, format_args args);
+
+ public:
+  /**
+   \rst
+   Constructs a :class:`fmt::windows_error` object with the description
+   of the form
+
+   .. parsed-literal::
+     *<message>*: *<system-message>*
+
+   where *<message>* is the formatted message and *<system-message>* is the
+   system message corresponding to the error code.
+   *error_code* is a Windows error code as given by ``GetLastError``.
+   If *error_code* is not a valid error code such as -1, the system message
+   will look like "error -1".
+
+   **Example**::
+
+     // This throws a windows_error with the description
+     //   cannot open file 'madeup': The system cannot find the file specified.
+     // or similar (system message may vary).
+     const char *filename = "madeup";
+     LPOFSTRUCT of = LPOFSTRUCT();
+     HFILE file = OpenFile(filename, &of, OF_READ);
+     if (file == HFILE_ERROR) {
+       throw fmt::windows_error(GetLastError(),
+                                "cannot open file '{}'", filename);
+     }
+   \endrst
+  */
+  template <typename... Args>
+  windows_error(int error_code, string_view message, const Args&... args) {
+    init(error_code, message, make_format_args(args...));
+  }
+};
+
+// Reports a Windows error without throwing an exception.
+// Can be used to report errors from destructors.
+FMT_API void report_windows_error(int error_code,
+                                  string_view message) FMT_NOEXCEPT;
+#endif  // _WIN32
+
+// A buffered file.
+class buffered_file {
+ private:
+  FILE* file_;
+
+  friend class file;
+
+  explicit buffered_file(FILE* f) : file_(f) {}
+
+ public:
+  buffered_file(const buffered_file&) = delete;
+  void operator=(const buffered_file&) = delete;
+
+  // Constructs a buffered_file object which doesn't represent any file.
+  buffered_file() FMT_NOEXCEPT : file_(nullptr) {}
+
+  // Destroys the object closing the file it represents if any.
+  FMT_API ~buffered_file() FMT_NOEXCEPT;
+
+ public:
+  buffered_file(buffered_file&& other) FMT_NOEXCEPT : file_(other.file_) {
+    other.file_ = nullptr;
+  }
+
+  buffered_file& operator=(buffered_file&& other) {
+    close();
+    file_ = other.file_;
+    other.file_ = nullptr;
+    return *this;
+  }
+
+  // Opens a file.
+  FMT_API buffered_file(cstring_view filename, cstring_view mode);
+
+  // Closes the file.
+  FMT_API void close();
+
+  // Returns the pointer to a FILE object representing this file.
+  FILE* get() const FMT_NOEXCEPT { return file_; }
+
+  // We place parentheses around fileno to workaround a bug in some versions
+  // of MinGW that define fileno as a macro.
+  FMT_API int(fileno)() const;
+
+  void vprint(string_view format_str, format_args args) {
+    fmt::vprint(file_, format_str, args);
+  }
+
+  template <typename... Args>
+  inline void print(string_view format_str, const Args&... args) {
+    vprint(format_str, make_format_args(args...));
+  }
+};
+
+#if FMT_USE_FCNTL
+// A file. Closed file is represented by a file object with descriptor -1.
+// Methods that are not declared with FMT_NOEXCEPT may throw
+// fmt::system_error in case of failure. Note that some errors such as
+// closing the file multiple times will cause a crash on Windows rather
+// than an exception. You can get standard behavior by overriding the
+// invalid parameter handler with _set_invalid_parameter_handler.
+class file {
+ private:
+  int fd_;  // File descriptor.
+
+  // Constructs a file object with a given descriptor.
+  explicit file(int fd) : fd_(fd) {}
+
+ public:
+  // Possible values for the oflag argument to the constructor.
+  enum {
+    RDONLY = FMT_POSIX(O_RDONLY),  // Open for reading only.
+    WRONLY = FMT_POSIX(O_WRONLY),  // Open for writing only.
+    RDWR = FMT_POSIX(O_RDWR),      // Open for reading and writing.
+    CREATE = FMT_POSIX(O_CREAT),   // Create if the file doesn't exist.
+    APPEND = FMT_POSIX(O_APPEND)   // Open in append mode.
+  };
+
+  // Constructs a file object which doesn't represent any file.
+  file() FMT_NOEXCEPT : fd_(-1) {}
+
+  // Opens a file and constructs a file object representing this file.
+  FMT_API file(cstring_view path, int oflag);
+
+ public:
+  file(const file&) = delete;
+  void operator=(const file&) = delete;
+
+  file(file&& other) FMT_NOEXCEPT : fd_(other.fd_) { other.fd_ = -1; }
+
+  file& operator=(file&& other) FMT_NOEXCEPT {
+    close();
+    fd_ = other.fd_;
+    other.fd_ = -1;
+    return *this;
+  }
+
+  // Destroys the object closing the file it represents if any.
+  FMT_API ~file() FMT_NOEXCEPT;
+
+  // Returns the file descriptor.
+  int descriptor() const FMT_NOEXCEPT { return fd_; }
+
+  // Closes the file.
+  FMT_API void close();
+
+  // Returns the file size. The size has signed type for consistency with
+  // stat::st_size.
+  FMT_API long long size() const;
+
+  // Attempts to read count bytes from the file into the specified buffer.
+  FMT_API size_t read(void* buffer, size_t count);
+
+  // Attempts to write count bytes from the specified buffer to the file.
+  FMT_API size_t write(const void* buffer, size_t count);
+
+  // Duplicates a file descriptor with the dup function and returns
+  // the duplicate as a file object.
+  FMT_API static file dup(int fd);
+
+  // Makes fd be the copy of this file descriptor, closing fd first if
+  // necessary.
+  FMT_API void dup2(int fd);
+
+  // Makes fd be the copy of this file descriptor, closing fd first if
+  // necessary.
+  FMT_API void dup2(int fd, error_code& ec) FMT_NOEXCEPT;
+
+  // Creates a pipe setting up read_end and write_end file objects for reading
+  // and writing respectively.
+  FMT_API static void pipe(file& read_end, file& write_end);
+
+  // Creates a buffered_file object associated with this file and detaches
+  // this file object from the file.
+  FMT_API buffered_file fdopen(const char* mode);
+};
+
+// Returns the memory page size.
+long getpagesize();
+
+namespace detail {
+
+struct buffer_size {
+  size_t value = 0;
+  buffer_size operator=(size_t val) const {
+    auto bs = buffer_size();
+    bs.value = val;
+    return bs;
+  }
+};
+
+struct ostream_params {
+  int oflag = file::WRONLY | file::CREATE;
+  size_t buffer_size = BUFSIZ > 32768 ? BUFSIZ : 32768;
+
+  ostream_params() {}
+
+  template <typename... T>
+  ostream_params(T... params, int oflag) : ostream_params(params...) {
+    this->oflag = oflag;
+  }
+
+  template <typename... T>
+  ostream_params(T... params, detail::buffer_size bs)
+      : ostream_params(params...) {
+    this->buffer_size = bs.value;
+  }
+};
+}  // namespace detail
+
+static constexpr detail::buffer_size buffer_size;
+
+// A fast output stream which is not thread-safe.
+class ostream : private detail::buffer<char> {
+ private:
+  file file_;
+
+  void flush() {
+    if (size() == 0) return;
+    file_.write(data(), size());
+    clear();
+  }
+
+  void grow(size_t) final;
+
+  ostream(cstring_view path, const detail::ostream_params& params)
+      : file_(path, params.oflag) {
+    set(new char[params.buffer_size], params.buffer_size);
+  }
+
+ public:
+  ostream(ostream&& other)
+      : detail::buffer<char>(other.data(), other.size(), other.capacity()),
+        file_(std::move(other.file_)) {
+    other.set(nullptr, 0);
+  }
+  ~ostream() {
+    flush();
+    delete[] data();
+  }
+
+  template <typename... T>
+  friend ostream output_file(cstring_view path, T... params);
+
+  void close() {
+    flush();
+    file_.close();
+  }
+
+  template <typename S, typename... Args>
+  void print(const S& format_str, const Args&... args) {
+    format_to(detail::buffer_appender<char>(*this), format_str, args...);
+  }
+};
+
+/**
+  Opens a file for writing. Supported parameters passed in `params`:
+  * ``<integer>``: Output flags (``file::WRONLY | file::CREATE`` by default)
+  * ``buffer_size=<integer>``: Output buffer size
+ */
+template <typename... T>
+inline ostream output_file(cstring_view path, T... params) {
+  return {path, detail::ostream_params(params...)};
+}
+#endif  // FMT_USE_FCNTL
+
+#ifdef FMT_LOCALE
+// A "C" numeric locale.
+class locale {
+ private:
+#  ifdef _WIN32
+  using locale_t = _locale_t;
+
+  static void freelocale(locale_t loc) { _free_locale(loc); }
+
+  static double strtod_l(const char* nptr, char** endptr, _locale_t loc) {
+    return _strtod_l(nptr, endptr, loc);
+  }
+#  endif
+
+  locale_t locale_;
+
+ public:
+  using type = locale_t;
+  locale(const locale&) = delete;
+  void operator=(const locale&) = delete;
+
+  locale() {
+#  ifndef _WIN32
+    locale_ = FMT_SYSTEM(newlocale(LC_NUMERIC_MASK, "C", nullptr));
+#  else
+    locale_ = _create_locale(LC_NUMERIC, "C");
+#  endif
+    if (!locale_) FMT_THROW(system_error(errno, "cannot create locale"));
+  }
+  ~locale() { freelocale(locale_); }
+
+  type get() const { return locale_; }
+
+  // Converts string to floating-point number and advances str past the end
+  // of the parsed input.
+  double strtod(const char*& str) const {
+    char* end = nullptr;
+    double result = strtod_l(str, &end, locale_);
+    str = end;
+    return result;
+  }
+};
+using Locale FMT_DEPRECATED_ALIAS = locale;
+#endif  // FMT_LOCALE
+FMT_END_NAMESPACE
+
+#endif  // FMT_OS_H_

src/3rdparty/fmt/ostream.h

@@ -0,0 +1,177 @@
+// Formatting library for C++ - std::ostream support
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_OSTREAM_H_
+#define FMT_OSTREAM_H_
+
+#include <ostream>
+
+#include "format.h"
+
+FMT_BEGIN_NAMESPACE
+
+template <typename Char> class basic_printf_parse_context;
+template <typename OutputIt, typename Char> class basic_printf_context;
+
+namespace detail {
+
+template <class Char> class formatbuf : public std::basic_streambuf<Char> {
+ private:
+  using int_type = typename std::basic_streambuf<Char>::int_type;
+  using traits_type = typename std::basic_streambuf<Char>::traits_type;
+
+  buffer<Char>& buffer_;
+
+ public:
+  formatbuf(buffer<Char>& buf) : buffer_(buf) {}
+
+ protected:
+  // The put-area is actually always empty. This makes the implementation
+  // simpler and has the advantage that the streambuf and the buffer are always
+  // in sync and sputc never writes into uninitialized memory. The obvious
+  // disadvantage is that each call to sputc always results in a (virtual) call
+  // to overflow. There is no disadvantage here for sputn since this always
+  // results in a call to xsputn.
+
+  int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE {
+    if (!traits_type::eq_int_type(ch, traits_type::eof()))
+      buffer_.push_back(static_cast<Char>(ch));
+    return ch;
+  }
+
+  std::streamsize xsputn(const Char* s, std::streamsize count) FMT_OVERRIDE {
+    buffer_.append(s, s + count);
+    return count;
+  }
+};
+
+struct converter {
+  template <typename T, FMT_ENABLE_IF(is_integral<T>::value)> converter(T);
+};
+
+template <typename Char> struct test_stream : std::basic_ostream<Char> {
+ private:
+  void_t<> operator<<(converter);
+};
+
+// Hide insertion operators for built-in types.
+template <typename Char, typename Traits>
+void_t<> operator<<(std::basic_ostream<Char, Traits>&, Char);
+template <typename Char, typename Traits>
+void_t<> operator<<(std::basic_ostream<Char, Traits>&, char);
+template <typename Traits>
+void_t<> operator<<(std::basic_ostream<char, Traits>&, char);
+template <typename Traits>
+void_t<> operator<<(std::basic_ostream<char, Traits>&, signed char);
+template <typename Traits>
+void_t<> operator<<(std::basic_ostream<char, Traits>&, unsigned char);
+
+// Checks if T has a user-defined operator<< (e.g. not a member of
+// std::ostream).
+template <typename T, typename Char> class is_streamable {
+ private:
+  template <typename U>
+  static bool_constant<!std::is_same<decltype(std::declval<test_stream<Char>&>()
+                                              << std::declval<U>()),
+                                     void_t<>>::value>
+  test(int);
+
+  template <typename> static std::false_type test(...);
+
+  using result = decltype(test<T>(0));
+
+ public:
+  static const bool value = result::value;
+};
+
+// Write the content of buf to os.
+template <typename Char>
+void write_buffer(std::basic_ostream<Char>& os, buffer<Char>& buf) {
+  const Char* buf_data = buf.data();
+  using unsigned_streamsize = std::make_unsigned<std::streamsize>::type;
+  unsigned_streamsize size = buf.size();
+  unsigned_streamsize max_size = to_unsigned(max_value<std::streamsize>());
+  do {
+    unsigned_streamsize n = size <= max_size ? size : max_size;
+    os.write(buf_data, static_cast<std::streamsize>(n));
+    buf_data += n;
+    size -= n;
+  } while (size != 0);
+}
+
+template <typename Char, typename T>
+void format_value(buffer<Char>& buf, const T& value,
+                  locale_ref loc = locale_ref()) {
+  formatbuf<Char> format_buf(buf);
+  std::basic_ostream<Char> output(&format_buf);
+#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
+  if (loc) output.imbue(loc.get<std::locale>());
+#endif
+  output << value;
+  output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
+  buf.try_resize(buf.size());
+}
+
+// Formats an object of type T that has an overloaded ostream operator<<.
+template <typename T, typename Char>
+struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
+    : private formatter<basic_string_view<Char>, Char> {
+  FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx)
+      -> decltype(ctx.begin()) {
+    return formatter<basic_string_view<Char>, Char>::parse(ctx);
+  }
+  template <typename ParseCtx,
+            FMT_ENABLE_IF(std::is_same<
+                          ParseCtx, basic_printf_parse_context<Char>>::value)>
+  auto parse(ParseCtx& ctx) -> decltype(ctx.begin()) {
+    return ctx.begin();
+  }
+
+  template <typename OutputIt>
+  auto format(const T& value, basic_format_context<OutputIt, Char>& ctx)
+      -> OutputIt {
+    basic_memory_buffer<Char> buffer;
+    format_value(buffer, value, ctx.locale());
+    basic_string_view<Char> str(buffer.data(), buffer.size());
+    return formatter<basic_string_view<Char>, Char>::format(str, ctx);
+  }
+  template <typename OutputIt>
+  auto format(const T& value, basic_printf_context<OutputIt, Char>& ctx)
+      -> OutputIt {
+    basic_memory_buffer<Char> buffer;
+    format_value(buffer, value, ctx.locale());
+    return std::copy(buffer.begin(), buffer.end(), ctx.out());
+  }
+};
+}  // namespace detail
+
+template <typename Char>
+void vprint(std::basic_ostream<Char>& os, basic_string_view<Char> format_str,
+            basic_format_args<buffer_context<type_identity_t<Char>>> args) {
+  basic_memory_buffer<Char> buffer;
+  detail::vformat_to(buffer, format_str, args);
+  detail::write_buffer(os, buffer);
+}
+
+/**
+  \rst
+  Prints formatted data to the stream *os*.
+
+  **Example**::
+
+    fmt::print(cerr, "Don't {}!", "panic");
+  \endrst
+ */
+template <typename S, typename... Args,
+          typename Char = enable_if_t<detail::is_string<S>::value, char_t<S>>>
+void print(std::basic_ostream<Char>& os, const S& format_str, Args&&... args) {
+  vprint(os, to_string_view(format_str),
+         fmt::make_args_checked<Args...>(format_str, args...));
+}
+FMT_END_NAMESPACE
+
+#endif  // FMT_OSTREAM_H_

src/3rdparty/fmt/posix.h

@@ -0,0 +1,2 @@
+#include "os.h"
+#warning "fmt/posix.h is deprecated; use fmt/os.h instead"

src/3rdparty/fmt/printf.h

@@ -0,0 +1,751 @@
+// Formatting library for C++ - legacy printf implementation
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_PRINTF_H_
+#define FMT_PRINTF_H_
+
+#include <algorithm>  // std::max
+#include <limits>     // std::numeric_limits
+
+#include "ostream.h"
+
+FMT_BEGIN_NAMESPACE
+namespace detail {
+
+// Checks if a value fits in int - used to avoid warnings about comparing
+// signed and unsigned integers.
+template <bool IsSigned> struct int_checker {
+  template <typename T> static bool fits_in_int(T value) {
+    unsigned max = max_value<int>();
+    return value <= max;
+  }
+  static bool fits_in_int(bool) { return true; }
+};
+
+template <> struct int_checker<true> {
+  template <typename T> static bool fits_in_int(T value) {
+    return value >= (std::numeric_limits<int>::min)() &&
+           value <= max_value<int>();
+  }
+  static bool fits_in_int(int) { return true; }
+};
+
+class printf_precision_handler {
+ public:
+  template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
+  int operator()(T value) {
+    if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
+      FMT_THROW(format_error("number is too big"));
+    return (std::max)(static_cast<int>(value), 0);
+  }
+
+  template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
+  int operator()(T) {
+    FMT_THROW(format_error("precision is not integer"));
+    return 0;
+  }
+};
+
+// An argument visitor that returns true iff arg is a zero integer.
+class is_zero_int {
+ public:
+  template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
+  bool operator()(T value) {
+    return value == 0;
+  }
+
+  template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
+  bool operator()(T) {
+    return false;
+  }
+};
+
+template <typename T> struct make_unsigned_or_bool : std::make_unsigned<T> {};
+
+template <> struct make_unsigned_or_bool<bool> { using type = bool; };
+
+template <typename T, typename Context> class arg_converter {
+ private:
+  using char_type = typename Context::char_type;
+
+  basic_format_arg<Context>& arg_;
+  char_type type_;
+
+ public:
+  arg_converter(basic_format_arg<Context>& arg, char_type type)
+      : arg_(arg), type_(type) {}
+
+  void operator()(bool value) {
+    if (type_ != 's') operator()<bool>(value);
+  }
+
+  template <typename U, FMT_ENABLE_IF(std::is_integral<U>::value)>
+  void operator()(U value) {
+    bool is_signed = type_ == 'd' || type_ == 'i';
+    using target_type = conditional_t<std::is_same<T, void>::value, U, T>;
+    if (const_check(sizeof(target_type) <= sizeof(int))) {
+      // Extra casts are used to silence warnings.
+      if (is_signed) {
+        arg_ = detail::make_arg<Context>(
+            static_cast<int>(static_cast<target_type>(value)));
+      } else {
+        using unsigned_type = typename make_unsigned_or_bool<target_type>::type;
+        arg_ = detail::make_arg<Context>(
+            static_cast<unsigned>(static_cast<unsigned_type>(value)));
+      }
+    } else {
+      if (is_signed) {
+        // glibc's printf doesn't sign extend arguments of smaller types:
+        //   std::printf("%lld", -42);  // prints "4294967254"
+        // but we don't have to do the same because it's a UB.
+        arg_ = detail::make_arg<Context>(static_cast<long long>(value));
+      } else {
+        arg_ = detail::make_arg<Context>(
+            static_cast<typename make_unsigned_or_bool<U>::type>(value));
+      }
+    }
+  }
+
+  template <typename U, FMT_ENABLE_IF(!std::is_integral<U>::value)>
+  void operator()(U) {}  // No conversion needed for non-integral types.
+};
+
+// Converts an integer argument to T for printf, if T is an integral type.
+// If T is void, the argument is converted to corresponding signed or unsigned
+// type depending on the type specifier: 'd' and 'i' - signed, other -
+// unsigned).
+template <typename T, typename Context, typename Char>
+void convert_arg(basic_format_arg<Context>& arg, Char type) {
+  visit_format_arg(arg_converter<T, Context>(arg, type), arg);
+}
+
+// Converts an integer argument to char for printf.
+template <typename Context> class char_converter {
+ private:
+  basic_format_arg<Context>& arg_;
+
+ public:
+  explicit char_converter(basic_format_arg<Context>& arg) : arg_(arg) {}
+
+  template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
+  void operator()(T value) {
+    arg_ = detail::make_arg<Context>(
+        static_cast<typename Context::char_type>(value));
+  }
+
+  template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
+  void operator()(T) {}  // No conversion needed for non-integral types.
+};
+
+// An argument visitor that return a pointer to a C string if argument is a
+// string or null otherwise.
+template <typename Char> struct get_cstring {
+  template <typename T> const Char* operator()(T) { return nullptr; }
+  const Char* operator()(const Char* s) { return s; }
+};
+
+// Checks if an argument is a valid printf width specifier and sets
+// left alignment if it is negative.
+template <typename Char> class printf_width_handler {
+ private:
+  using format_specs = basic_format_specs<Char>;
+
+  format_specs& specs_;
+
+ public:
+  explicit printf_width_handler(format_specs& specs) : specs_(specs) {}
+
+  template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
+  unsigned operator()(T value) {
+    auto width = static_cast<uint32_or_64_or_128_t<T>>(value);
+    if (detail::is_negative(value)) {
+      specs_.align = align::left;
+      width = 0 - width;
+    }
+    unsigned int_max = max_value<int>();
+    if (width > int_max) FMT_THROW(format_error("number is too big"));
+    return static_cast<unsigned>(width);
+  }
+
+  template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
+  unsigned operator()(T) {
+    FMT_THROW(format_error("width is not integer"));
+    return 0;
+  }
+};
+
+template <typename Char, typename Context>
+void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
+             basic_format_args<Context> args) {
+  Context(buffer_appender<Char>(buf), format, args).format();
+}
+}  // namespace detail
+
+// For printing into memory_buffer.
+template <typename Char, typename Context>
+FMT_DEPRECATED void printf(detail::buffer<Char>& buf,
+                           basic_string_view<Char> format,
+                           basic_format_args<Context> args) {
+  return detail::vprintf(buf, format, args);
+}
+using detail::vprintf;
+
+template <typename Char>
+class basic_printf_parse_context : public basic_format_parse_context<Char> {
+  using basic_format_parse_context<Char>::basic_format_parse_context;
+};
+template <typename OutputIt, typename Char> class basic_printf_context;
+
+/**
+  \rst
+  The ``printf`` argument formatter.
+  \endrst
+ */
+template <typename OutputIt, typename Char>
+class printf_arg_formatter : public detail::arg_formatter_base<OutputIt, Char> {
+ public:
+  using iterator = OutputIt;
+
+ private:
+  using char_type = Char;
+  using base = detail::arg_formatter_base<OutputIt, Char>;
+  using context_type = basic_printf_context<OutputIt, Char>;
+
+  context_type& context_;
+
+  void write_null_pointer(char) {
+    this->specs()->type = 0;
+    this->write("(nil)");
+  }
+
+  void write_null_pointer(wchar_t) {
+    this->specs()->type = 0;
+    this->write(L"(nil)");
+  }
+
+ public:
+  using format_specs = typename base::format_specs;
+
+  /**
+    \rst
+    Constructs an argument formatter object.
+    *buffer* is a reference to the output buffer and *specs* contains format
+    specifier information for standard argument types.
+    \endrst
+   */
+  printf_arg_formatter(iterator iter, format_specs& specs, context_type& ctx)
+      : base(iter, &specs, detail::locale_ref()), context_(ctx) {}
+
+  template <typename T, FMT_ENABLE_IF(fmt::detail::is_integral<T>::value)>
+  iterator operator()(T value) {
+    // MSVC2013 fails to compile separate overloads for bool and char_type so
+    // use std::is_same instead.
+    if (std::is_same<T, bool>::value) {
+      format_specs& fmt_specs = *this->specs();
+      if (fmt_specs.type != 's') return base::operator()(value ? 1 : 0);
+      fmt_specs.type = 0;
+      this->write(value != 0);
+    } else if (std::is_same<T, char_type>::value) {
+      format_specs& fmt_specs = *this->specs();
+      if (fmt_specs.type && fmt_specs.type != 'c')
+        return (*this)(static_cast<int>(value));
+      fmt_specs.sign = sign::none;
+      fmt_specs.alt = false;
+      fmt_specs.fill[0] = ' ';  // Ignore '0' flag for char types.
+      // align::numeric needs to be overwritten here since the '0' flag is
+      // ignored for non-numeric types
+      if (fmt_specs.align == align::none || fmt_specs.align == align::numeric)
+        fmt_specs.align = align::right;
+      return base::operator()(value);
+    } else {
+      return base::operator()(value);
+    }
+    return this->out();
+  }
+
+  template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
+  iterator operator()(T value) {
+    return base::operator()(value);
+  }
+
+  /** Formats a null-terminated C string. */
+  iterator operator()(const char* value) {
+    if (value)
+      base::operator()(value);
+    else if (this->specs()->type == 'p')
+      write_null_pointer(char_type());
+    else
+      this->write("(null)");
+    return this->out();
+  }
+
+  /** Formats a null-terminated wide C string. */
+  iterator operator()(const wchar_t* value) {
+    if (value)
+      base::operator()(value);
+    else if (this->specs()->type == 'p')
+      write_null_pointer(char_type());
+    else
+      this->write(L"(null)");
+    return this->out();
+  }
+
+  iterator operator()(basic_string_view<char_type> value) {
+    return base::operator()(value);
+  }
+
+  iterator operator()(monostate value) { return base::operator()(value); }
+
+  /** Formats a pointer. */
+  iterator operator()(const void* value) {
+    if (value) return base::operator()(value);
+    this->specs()->type = 0;
+    write_null_pointer(char_type());
+    return this->out();
+  }
+
+  /** Formats an argument of a custom (user-defined) type. */
+  iterator operator()(typename basic_format_arg<context_type>::handle handle) {
+    handle.format(context_.parse_context(), context_);
+    return this->out();
+  }
+};
+
+template <typename T> struct printf_formatter {
+  printf_formatter() = delete;
+
+  template <typename ParseContext>
+  auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    return ctx.begin();
+  }
+
+  template <typename FormatContext>
+  auto format(const T& value, FormatContext& ctx) -> decltype(ctx.out()) {
+    detail::format_value(detail::get_container(ctx.out()), value);
+    return ctx.out();
+  }
+};
+
+/**
+ This template formats data and writes the output through an output iterator.
+ */
+template <typename OutputIt, typename Char> class basic_printf_context {
+ public:
+  /** The character type for the output. */
+  using char_type = Char;
+  using iterator = OutputIt;
+  using format_arg = basic_format_arg<basic_printf_context>;
+  using parse_context_type = basic_printf_parse_context<Char>;
+  template <typename T> using formatter_type = printf_formatter<T>;
+
+ private:
+  using format_specs = basic_format_specs<char_type>;
+
+  OutputIt out_;
+  basic_format_args<basic_printf_context> args_;
+  parse_context_type parse_ctx_;
+
+  static void parse_flags(format_specs& specs, const Char*& it,
+                          const Char* end);
+
+  // Returns the argument with specified index or, if arg_index is -1, the next
+  // argument.
+  format_arg get_arg(int arg_index = -1);
+
+  // Parses argument index, flags and width and returns the argument index.
+  int parse_header(const Char*& it, const Char* end, format_specs& specs);
+
+ public:
+  /**
+   \rst
+   Constructs a ``printf_context`` object. References to the arguments are
+   stored in the context object so make sure they have appropriate lifetimes.
+   \endrst
+   */
+  basic_printf_context(OutputIt out, basic_string_view<char_type> format_str,
+                       basic_format_args<basic_printf_context> args)
+      : out_(out), args_(args), parse_ctx_(format_str) {}
+
+  OutputIt out() { return out_; }
+  void advance_to(OutputIt it) { out_ = it; }
+
+  detail::locale_ref locale() { return {}; }
+
+  format_arg arg(int id) const { return args_.get(id); }
+
+  parse_context_type& parse_context() { return parse_ctx_; }
+
+  FMT_CONSTEXPR void on_error(const char* message) {
+    parse_ctx_.on_error(message);
+  }
+
+  /** Formats stored arguments and writes the output to the range. */
+  template <typename ArgFormatter = printf_arg_formatter<OutputIt, Char>>
+  OutputIt format();
+};
+
+template <typename OutputIt, typename Char>
+void basic_printf_context<OutputIt, Char>::parse_flags(format_specs& specs,
+                                                       const Char*& it,
+                                                       const Char* end) {
+  for (; it != end; ++it) {
+    switch (*it) {
+    case '-':
+      specs.align = align::left;
+      break;
+    case '+':
+      specs.sign = sign::plus;
+      break;
+    case '0':
+      specs.fill[0] = '0';
+      break;
+    case ' ':
+      if (specs.sign != sign::plus) {
+        specs.sign = sign::space;
+      }
+      break;
+    case '#':
+      specs.alt = true;
+      break;
+    default:
+      return;
+    }
+  }
+}
+
+template <typename OutputIt, typename Char>
+typename basic_printf_context<OutputIt, Char>::format_arg
+basic_printf_context<OutputIt, Char>::get_arg(int arg_index) {
+  if (arg_index < 0)
+    arg_index = parse_ctx_.next_arg_id();
+  else
+    parse_ctx_.check_arg_id(--arg_index);
+  return detail::get_arg(*this, arg_index);
+}
+
+template <typename OutputIt, typename Char>
+int basic_printf_context<OutputIt, Char>::parse_header(const Char*& it,
+                                                       const Char* end,
+                                                       format_specs& specs) {
+  int arg_index = -1;
+  char_type c = *it;
+  if (c >= '0' && c <= '9') {
+    // Parse an argument index (if followed by '$') or a width possibly
+    // preceded with '0' flag(s).
+    detail::error_handler eh;
+    int value = parse_nonnegative_int(it, end, eh);
+    if (it != end && *it == '$') {  // value is an argument index
+      ++it;
+      arg_index = value;
+    } else {
+      if (c == '0') specs.fill[0] = '0';
+      if (value != 0) {
+        // Nonzero value means that we parsed width and don't need to
+        // parse it or flags again, so return now.
+        specs.width = value;
+        return arg_index;
+      }
+    }
+  }
+  parse_flags(specs, it, end);
+  // Parse width.
+  if (it != end) {
+    if (*it >= '0' && *it <= '9') {
+      detail::error_handler eh;
+      specs.width = parse_nonnegative_int(it, end, eh);
+    } else if (*it == '*') {
+      ++it;
+      specs.width = static_cast<int>(visit_format_arg(
+          detail::printf_width_handler<char_type>(specs), get_arg()));
+    }
+  }
+  return arg_index;
+}
+
+template <typename OutputIt, typename Char>
+template <typename ArgFormatter>
+OutputIt basic_printf_context<OutputIt, Char>::format() {
+  auto out = this->out();
+  const Char* start = parse_ctx_.begin();
+  const Char* end = parse_ctx_.end();
+  auto it = start;
+  while (it != end) {
+    char_type c = *it++;
+    if (c != '%') continue;
+    if (it != end && *it == c) {
+      out = std::copy(start, it, out);
+      start = ++it;
+      continue;
+    }
+    out = std::copy(start, it - 1, out);
+
+    format_specs specs;
+    specs.align = align::right;
+
+    // Parse argument index, flags and width.
+    int arg_index = parse_header(it, end, specs);
+    if (arg_index == 0) on_error("argument not found");
+
+    // Parse precision.
+    if (it != end && *it == '.') {
+      ++it;
+      c = it != end ? *it : 0;
+      if ('0' <= c && c <= '9') {
+        detail::error_handler eh;
+        specs.precision = parse_nonnegative_int(it, end, eh);
+      } else if (c == '*') {
+        ++it;
+        specs.precision = static_cast<int>(
+            visit_format_arg(detail::printf_precision_handler(), get_arg()));
+      } else {
+        specs.precision = 0;
+      }
+    }
+
+    format_arg arg = get_arg(arg_index);
+    // For d, i, o, u, x, and X conversion specifiers, if a precision is
+    // specified, the '0' flag is ignored
+    if (specs.precision >= 0 && arg.is_integral())
+      specs.fill[0] =
+          ' ';  // Ignore '0' flag for non-numeric types or if '-' present.
+    if (specs.precision >= 0 && arg.type() == detail::type::cstring_type) {
+      auto str = visit_format_arg(detail::get_cstring<Char>(), arg);
+      auto str_end = str + specs.precision;
+      auto nul = std::find(str, str_end, Char());
+      arg = detail::make_arg<basic_printf_context>(basic_string_view<Char>(
+          str,
+          detail::to_unsigned(nul != str_end ? nul - str : specs.precision)));
+    }
+    if (specs.alt && visit_format_arg(detail::is_zero_int(), arg))
+      specs.alt = false;
+    if (specs.fill[0] == '0') {
+      if (arg.is_arithmetic() && specs.align != align::left)
+        specs.align = align::numeric;
+      else
+        specs.fill[0] = ' ';  // Ignore '0' flag for non-numeric types or if '-'
+                              // flag is also present.
+    }
+
+    // Parse length and convert the argument to the required type.
+    c = it != end ? *it++ : 0;
+    char_type t = it != end ? *it : 0;
+    using detail::convert_arg;
+    switch (c) {
+    case 'h':
+      if (t == 'h') {
+        ++it;
+        t = it != end ? *it : 0;
+        convert_arg<signed char>(arg, t);
+      } else {
+        convert_arg<short>(arg, t);
+      }
+      break;
+    case 'l':
+      if (t == 'l') {
+        ++it;
+        t = it != end ? *it : 0;
+        convert_arg<long long>(arg, t);
+      } else {
+        convert_arg<long>(arg, t);
+      }
+      break;
+    case 'j':
+      convert_arg<intmax_t>(arg, t);
+      break;
+    case 'z':
+      convert_arg<size_t>(arg, t);
+      break;
+    case 't':
+      convert_arg<std::ptrdiff_t>(arg, t);
+      break;
+    case 'L':
+      // printf produces garbage when 'L' is omitted for long double, no
+      // need to do the same.
+      break;
+    default:
+      --it;
+      convert_arg<void>(arg, c);
+    }
+
+    // Parse type.
+    if (it == end) FMT_THROW(format_error("invalid format string"));
+    specs.type = static_cast<char>(*it++);
+    if (arg.is_integral()) {
+      // Normalize type.
+      switch (specs.type) {
+      case 'i':
+      case 'u':
+        specs.type = 'd';
+        break;
+      case 'c':
+        visit_format_arg(detail::char_converter<basic_printf_context>(arg),
+                         arg);
+        break;
+      }
+    }
+
+    start = it;
+
+    // Format argument.
+    out = visit_format_arg(ArgFormatter(out, specs, *this), arg);
+  }
+  return std::copy(start, it, out);
+}
+
+template <typename Char>
+using basic_printf_context_t =
+    basic_printf_context<detail::buffer_appender<Char>, Char>;
+
+using printf_context = basic_printf_context_t<char>;
+using wprintf_context = basic_printf_context_t<wchar_t>;
+
+using printf_args = basic_format_args<printf_context>;
+using wprintf_args = basic_format_args<wprintf_context>;
+
+/**
+  \rst
+  Constructs an `~fmt::format_arg_store` object that contains references to
+  arguments and can be implicitly converted to `~fmt::printf_args`.
+  \endrst
+ */
+template <typename... Args>
+inline format_arg_store<printf_context, Args...> make_printf_args(
+    const Args&... args) {
+  return {args...};
+}
+
+/**
+  \rst
+  Constructs an `~fmt::format_arg_store` object that contains references to
+  arguments and can be implicitly converted to `~fmt::wprintf_args`.
+  \endrst
+ */
+template <typename... Args>
+inline format_arg_store<wprintf_context, Args...> make_wprintf_args(
+    const Args&... args) {
+  return {args...};
+}
+
+template <typename S, typename Char = char_t<S>>
+inline std::basic_string<Char> vsprintf(
+    const S& format,
+    basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) {
+  basic_memory_buffer<Char> buffer;
+  vprintf(buffer, to_string_view(format), args);
+  return to_string(buffer);
+}
+
+/**
+  \rst
+  Formats arguments and returns the result as a string.
+
+  **Example**::
+
+    std::string message = fmt::sprintf("The answer is %d", 42);
+  \endrst
+*/
+template <typename S, typename... Args,
+          typename Char = enable_if_t<detail::is_string<S>::value, char_t<S>>>
+inline std::basic_string<Char> sprintf(const S& format, const Args&... args) {
+  using context = basic_printf_context_t<Char>;
+  return vsprintf(to_string_view(format), make_format_args<context>(args...));
+}
+
+template <typename S, typename Char = char_t<S>>
+inline int vfprintf(
+    std::FILE* f, const S& format,
+    basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) {
+  basic_memory_buffer<Char> buffer;
+  vprintf(buffer, to_string_view(format), args);
+  size_t size = buffer.size();
+  return std::fwrite(buffer.data(), sizeof(Char), size, f) < size
+             ? -1
+             : static_cast<int>(size);
+}
+
+/**
+  \rst
+  Prints formatted data to the file *f*.
+
+  **Example**::
+
+    fmt::fprintf(stderr, "Don't %s!", "panic");
+  \endrst
+ */
+template <typename S, typename... Args,
+          typename Char = enable_if_t<detail::is_string<S>::value, char_t<S>>>
+inline int fprintf(std::FILE* f, const S& format, const Args&... args) {
+  using context = basic_printf_context_t<Char>;
+  return vfprintf(f, to_string_view(format),
+                  make_format_args<context>(args...));
+}
+
+template <typename S, typename Char = char_t<S>>
+inline int vprintf(
+    const S& format,
+    basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) {
+  return vfprintf(stdout, to_string_view(format), args);
+}
+
+/**
+  \rst
+  Prints formatted data to ``stdout``.
+
+  **Example**::
+
+    fmt::printf("Elapsed time: %.2f seconds", 1.23);
+  \endrst
+ */
+template <typename S, typename... Args,
+          FMT_ENABLE_IF(detail::is_string<S>::value)>
+inline int printf(const S& format_str, const Args&... args) {
+  using context = basic_printf_context_t<char_t<S>>;
+  return vprintf(to_string_view(format_str),
+                 make_format_args<context>(args...));
+}
+
+template <typename S, typename Char = char_t<S>>
+inline int vfprintf(
+    std::basic_ostream<Char>& os, const S& format,
+    basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args) {
+  basic_memory_buffer<Char> buffer;
+  vprintf(buffer, to_string_view(format), args);
+  detail::write_buffer(os, buffer);
+  return static_cast<int>(buffer.size());
+}
+
+/** Formats arguments and writes the output to the range. */
+template <typename ArgFormatter, typename Char,
+          typename Context =
+              basic_printf_context<typename ArgFormatter::iterator, Char>>
+typename ArgFormatter::iterator vprintf(
+    detail::buffer<Char>& out, basic_string_view<Char> format_str,
+    basic_format_args<type_identity_t<Context>> args) {
+  typename ArgFormatter::iterator iter(out);
+  Context(iter, format_str, args).template format<ArgFormatter>();
+  return iter;
+}
+
+/**
+  \rst
+  Prints formatted data to the stream *os*.
+
+  **Example**::
+
+    fmt::fprintf(cerr, "Don't %s!", "panic");
+  \endrst
+ */
+template <typename S, typename... Args, typename Char = char_t<S>>
+inline int fprintf(std::basic_ostream<Char>& os, const S& format_str,
+                   const Args&... args) {
+  using context = basic_printf_context_t<Char>;
+  return vfprintf(os, to_string_view(format_str),
+                  make_format_args<context>(args...));
+}
+FMT_END_NAMESPACE
+
+#endif  // FMT_PRINTF_H_

src/3rdparty/fmt/ranges.h

@@ -0,0 +1,393 @@
+// Formatting library for C++ - experimental range support
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+//
+// Copyright (c) 2018 - present, Remotion (Igor Schulz)
+// All Rights Reserved
+// {fmt} support for ranges, containers and types tuple interface.
+
+#ifndef FMT_RANGES_H_
+#define FMT_RANGES_H_
+
+#include <initializer_list>
+#include <type_traits>
+
+#include "format.h"
+
+// output only up to N items from the range.
+#ifndef FMT_RANGE_OUTPUT_LENGTH_LIMIT
+#  define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
+#endif
+
+FMT_BEGIN_NAMESPACE
+
+template <typename Char> struct formatting_base {
+  template <typename ParseContext>
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    return ctx.begin();
+  }
+};
+
+template <typename Char, typename Enable = void>
+struct formatting_range : formatting_base<Char> {
+  static FMT_CONSTEXPR_DECL const size_t range_length_limit =
+      FMT_RANGE_OUTPUT_LENGTH_LIMIT;  // output only up to N items from the
+                                      // range.
+  Char prefix;
+  Char delimiter;
+  Char postfix;
+  formatting_range() : prefix('{'), delimiter(','), postfix('}') {}
+  static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
+  static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
+};
+
+template <typename Char, typename Enable = void>
+struct formatting_tuple : formatting_base<Char> {
+  Char prefix;
+  Char delimiter;
+  Char postfix;
+  formatting_tuple() : prefix('('), delimiter(','), postfix(')') {}
+  static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
+  static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
+};
+
+namespace detail {
+
+template <typename RangeT, typename OutputIterator>
+OutputIterator copy(const RangeT& range, OutputIterator out) {
+  for (auto it = range.begin(), end = range.end(); it != end; ++it)
+    *out++ = *it;
+  return out;
+}
+
+template <typename OutputIterator>
+OutputIterator copy(const char* str, OutputIterator out) {
+  while (*str) *out++ = *str++;
+  return out;
+}
+
+template <typename OutputIterator>
+OutputIterator copy(char ch, OutputIterator out) {
+  *out++ = ch;
+  return out;
+}
+
+/// Return true value if T has std::string interface, like std::string_view.
+template <typename T> class is_like_std_string {
+  template <typename U>
+  static auto check(U* p)
+      -> decltype((void)p->find('a'), p->length(), (void)p->data(), int());
+  template <typename> static void check(...);
+
+ public:
+  static FMT_CONSTEXPR_DECL const bool value =
+      is_string<T>::value || !std::is_void<decltype(check<T>(nullptr))>::value;
+};
+
+template <typename Char>
+struct is_like_std_string<fmt::basic_string_view<Char>> : std::true_type {};
+
+template <typename... Ts> struct conditional_helper {};
+
+template <typename T, typename _ = void> struct is_range_ : std::false_type {};
+
+#if !FMT_MSC_VER || FMT_MSC_VER > 1800
+template <typename T>
+struct is_range_<
+    T, conditional_t<false,
+                     conditional_helper<decltype(std::declval<T>().begin()),
+                                        decltype(std::declval<T>().end())>,
+                     void>> : std::true_type {};
+#endif
+
+/// tuple_size and tuple_element check.
+template <typename T> class is_tuple_like_ {
+  template <typename U>
+  static auto check(U* p) -> decltype(std::tuple_size<U>::value, int());
+  template <typename> static void check(...);
+
+ public:
+  static FMT_CONSTEXPR_DECL const bool value =
+      !std::is_void<decltype(check<T>(nullptr))>::value;
+};
+
+// Check for integer_sequence
+#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
+template <typename T, T... N>
+using integer_sequence = std::integer_sequence<T, N...>;
+template <size_t... N> using index_sequence = std::index_sequence<N...>;
+template <size_t N> using make_index_sequence = std::make_index_sequence<N>;
+#else
+template <typename T, T... N> struct integer_sequence {
+  using value_type = T;
+
+  static FMT_CONSTEXPR size_t size() { return sizeof...(N); }
+};
+
+template <size_t... N> using index_sequence = integer_sequence<size_t, N...>;
+
+template <typename T, size_t N, T... Ns>
+struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> {};
+template <typename T, T... Ns>
+struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
+
+template <size_t N>
+using make_index_sequence = make_integer_sequence<size_t, N>;
+#endif
+
+template <class Tuple, class F, size_t... Is>
+void for_each(index_sequence<Is...>, Tuple&& tup, F&& f) FMT_NOEXCEPT {
+  using std::get;
+  // using free function get<I>(T) now.
+  const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
+  (void)_;  // blocks warnings
+}
+
+template <class T>
+FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(
+    T const&) {
+  return {};
+}
+
+template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
+  const auto indexes = get_indexes(tup);
+  for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
+}
+
+template <typename Range>
+using value_type = remove_cvref_t<decltype(*std::declval<Range>().begin())>;
+
+template <typename Arg, FMT_ENABLE_IF(!is_like_std_string<
+                                      typename std::decay<Arg>::type>::value)>
+FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&) {
+  return add_space ? " {}" : "{}";
+}
+
+template <typename Arg, FMT_ENABLE_IF(is_like_std_string<
+                                      typename std::decay<Arg>::type>::value)>
+FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&) {
+  return add_space ? " \"{}\"" : "\"{}\"";
+}
+
+FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char*) {
+  return add_space ? " \"{}\"" : "\"{}\"";
+}
+FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t*) {
+  return add_space ? L" \"{}\"" : L"\"{}\"";
+}
+
+FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char) {
+  return add_space ? " '{}'" : "'{}'";
+}
+FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t) {
+  return add_space ? L" '{}'" : L"'{}'";
+}
+}  // namespace detail
+
+template <typename T> struct is_tuple_like {
+  static FMT_CONSTEXPR_DECL const bool value =
+      detail::is_tuple_like_<T>::value && !detail::is_range_<T>::value;
+};
+
+template <typename TupleT, typename Char>
+struct formatter<TupleT, Char, enable_if_t<fmt::is_tuple_like<TupleT>::value>> {
+ private:
+  // C++11 generic lambda for format()
+  template <typename FormatContext> struct format_each {
+    template <typename T> void operator()(const T& v) {
+      if (i > 0) {
+        if (formatting.add_prepostfix_space) {
+          *out++ = ' ';
+        }
+        out = detail::copy(formatting.delimiter, out);
+      }
+      out = format_to(out,
+                      detail::format_str_quoted(
+                          (formatting.add_delimiter_spaces && i > 0), v),
+                      v);
+      ++i;
+    }
+
+    formatting_tuple<Char>& formatting;
+    size_t& i;
+    typename std::add_lvalue_reference<decltype(
+        std::declval<FormatContext>().out())>::type out;
+  };
+
+ public:
+  formatting_tuple<Char> formatting;
+
+  template <typename ParseContext>
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    return formatting.parse(ctx);
+  }
+
+  template <typename FormatContext = format_context>
+  auto format(const TupleT& values, FormatContext& ctx) -> decltype(ctx.out()) {
+    auto out = ctx.out();
+    size_t i = 0;
+    detail::copy(formatting.prefix, out);
+
+    detail::for_each(values, format_each<FormatContext>{formatting, i, out});
+    if (formatting.add_prepostfix_space) {
+      *out++ = ' ';
+    }
+    detail::copy(formatting.postfix, out);
+
+    return ctx.out();
+  }
+};
+
+template <typename T, typename Char> struct is_range {
+  static FMT_CONSTEXPR_DECL const bool value =
+      detail::is_range_<T>::value && !detail::is_like_std_string<T>::value &&
+      !std::is_convertible<T, std::basic_string<Char>>::value &&
+      !std::is_constructible<detail::std_string_view<Char>, T>::value;
+};
+
+template <typename T, typename Char>
+struct formatter<
+    T, Char,
+    enable_if_t<fmt::is_range<T, Char>::value
+// Workaround a bug in MSVC 2017 and earlier.
+#if !FMT_MSC_VER || FMT_MSC_VER >= 1927
+                && has_formatter<detail::value_type<T>, format_context>::value
+#endif
+                >> {
+  formatting_range<Char> formatting;
+
+  template <typename ParseContext>
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    return formatting.parse(ctx);
+  }
+
+  template <typename FormatContext>
+  typename FormatContext::iterator format(const T& values, FormatContext& ctx) {
+    auto out = detail::copy(formatting.prefix, ctx.out());
+    size_t i = 0;
+    auto it = values.begin();
+    auto end = values.end();
+    for (; it != end; ++it) {
+      if (i > 0) {
+        if (formatting.add_prepostfix_space) *out++ = ' ';
+        out = detail::copy(formatting.delimiter, out);
+      }
+      out = format_to(out,
+                      detail::format_str_quoted(
+                          (formatting.add_delimiter_spaces && i > 0), *it),
+                      *it);
+      if (++i > formatting.range_length_limit) {
+        out = format_to(out, " ... <other elements>");
+        break;
+      }
+    }
+    if (formatting.add_prepostfix_space) *out++ = ' ';
+    return detail::copy(formatting.postfix, out);
+  }
+};
+
+template <typename Char, typename... T> struct tuple_arg_join : detail::view {
+  const std::tuple<T...>& tuple;
+  basic_string_view<Char> sep;
+
+  tuple_arg_join(const std::tuple<T...>& t, basic_string_view<Char> s)
+      : tuple{t}, sep{s} {}
+};
+
+template <typename Char, typename... T>
+struct formatter<tuple_arg_join<Char, T...>, Char> {
+  template <typename ParseContext>
+  FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    return ctx.begin();
+  }
+
+  template <typename FormatContext>
+  typename FormatContext::iterator format(
+      const tuple_arg_join<Char, T...>& value, FormatContext& ctx) {
+    return format(value, ctx, detail::make_index_sequence<sizeof...(T)>{});
+  }
+
+ private:
+  template <typename FormatContext, size_t... N>
+  typename FormatContext::iterator format(
+      const tuple_arg_join<Char, T...>& value, FormatContext& ctx,
+      detail::index_sequence<N...>) {
+    return format_args(value, ctx, std::get<N>(value.tuple)...);
+  }
+
+  template <typename FormatContext>
+  typename FormatContext::iterator format_args(
+      const tuple_arg_join<Char, T...>&, FormatContext& ctx) {
+    // NOTE: for compilers that support C++17, this empty function instantiation
+    // can be replaced with a constexpr branch in the variadic overload.
+    return ctx.out();
+  }
+
+  template <typename FormatContext, typename Arg, typename... Args>
+  typename FormatContext::iterator format_args(
+      const tuple_arg_join<Char, T...>& value, FormatContext& ctx,
+      const Arg& arg, const Args&... args) {
+    using base = formatter<typename std::decay<Arg>::type, Char>;
+    auto out = ctx.out();
+    out = base{}.format(arg, ctx);
+    if (sizeof...(Args) > 0) {
+      out = std::copy(value.sep.begin(), value.sep.end(), out);
+      ctx.advance_to(out);
+      return format_args(value, ctx, args...);
+    }
+    return out;
+  }
+};
+
+/**
+  \rst
+  Returns an object that formats `tuple` with elements separated by `sep`.
+
+  **Example**::
+
+    std::tuple<int, char> t = {1, 'a'};
+    fmt::print("{}", fmt::join(t, ", "));
+    // Output: "1, a"
+  \endrst
+ */
+template <typename... T>
+FMT_CONSTEXPR tuple_arg_join<char, T...> join(const std::tuple<T...>& tuple,
+                                              string_view sep) {
+  return {tuple, sep};
+}
+
+template <typename... T>
+FMT_CONSTEXPR tuple_arg_join<wchar_t, T...> join(const std::tuple<T...>& tuple,
+                                                 wstring_view sep) {
+  return {tuple, sep};
+}
+
+/**
+  \rst
+  Returns an object that formats `initializer_list` with elements separated by
+  `sep`.
+
+  **Example**::
+
+    fmt::print("{}", fmt::join({1, 2, 3}, ", "));
+    // Output: "1, 2, 3"
+  \endrst
+ */
+template <typename T>
+arg_join<const T*, const T*, char> join(std::initializer_list<T> list,
+                                        string_view sep) {
+  return join(std::begin(list), std::end(list), sep);
+}
+
+template <typename T>
+arg_join<const T*, const T*, wchar_t> join(std::initializer_list<T> list,
+                                           wstring_view sep) {
+  return join(std::begin(list), std::end(list), sep);
+}
+
+FMT_END_NAMESPACE
+
+#endif  // FMT_RANGES_H_

src/3rdparty/libethash/CMakeLists.txt

@@ -0,0 +1,24 @@
+cmake_minimum_required (VERSION 2.8)
+project (ethash C)
+
+set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Os")
+
+set(HEADERS
+    data_sizes.h
+    endian.h
+    ethash.h
+    ethash_internal.h
+    fnv.h
+    )
+
+set(SOURCES
+    ethash_internal.c
+    keccakf800.c
+   )
+
+include_directories(../..)
+
+add_library(ethash STATIC
+    ${HEADERS}
+    ${SOURCES}
+    )

src/3rdparty/libethash/data_sizes.h

@@ -0,0 +1,811 @@
+/*
+  This file is part of cpp-ethereum.
+
+  cpp-ethereum is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software FoundationUUU,either version 3 of the LicenseUUU,or
+  (at your option) any later version.
+
+  cpp-ethereum is distributed in the hope that it will be usefulU,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with cpp-ethereum.  If notUUU,see <http://www.gnu.org/licenses/>.
+*/
+
+/** @file data_sizes.h
+* @author Matthew Wampler-Doty <negacthulhu@gmail.com>
+* @date 2015
+*/
+
+#pragma once
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+// 2048 Epochs (~20 years) worth of tabulated DAG sizes
+
+// Generated with the following Mathematica Code:
+
+// GetCacheSizes[n_] := Module[{
+//        CacheSizeBytesInit = 2^24,
+//        CacheGrowth = 2^17,
+//        HashBytes = 64,
+//        j = 0},
+//       Reap[
+//         While[j < n,
+//           Module[{i =
+//             Floor[(CacheSizeBytesInit + CacheGrowth * j) / HashBytes]},
+//             While[! PrimeQ[i], i--];
+//             Sow[i*HashBytes]; j++]]]][[2]][[1]]
+
+
+static const uint64_t dag_sizes[2048] = {
+	1073739904U, 1082130304U, 1090514816U, 1098906752U, 1107293056U,
+	1115684224U, 1124070016U, 1132461952U, 1140849536U, 1149232768U,
+	1157627776U, 1166013824U, 1174404736U, 1182786944U, 1191180416U,
+	1199568512U, 1207958912U, 1216345216U, 1224732032U, 1233124736U,
+	1241513344U, 1249902464U, 1258290304U, 1266673792U, 1275067264U,
+	1283453312U, 1291844992U, 1300234112U, 1308619904U, 1317010048U,
+	1325397376U, 1333787776U, 1342176128U, 1350561664U, 1358954368U,
+	1367339392U, 1375731584U, 1384118144U, 1392507008U, 1400897408U,
+	1409284736U, 1417673344U, 1426062464U, 1434451072U, 1442839168U,
+	1451229056U, 1459615616U, 1468006016U, 1476394112U, 1484782976U,
+	1493171584U, 1501559168U, 1509948032U, 1518337664U, 1526726528U,
+	1535114624U, 1543503488U, 1551892096U, 1560278656U, 1568669056U,
+	1577056384U, 1585446272U, 1593831296U, 1602219392U, 1610610304U,
+	1619000192U, 1627386752U, 1635773824U, 1644164224U, 1652555648U,
+	1660943488U, 1669332608U, 1677721216U, 1686109312U, 1694497664U,
+	1702886272U, 1711274624U, 1719661184U, 1728047744U, 1736434816U,
+	1744829056U, 1753218944U, 1761606272U, 1769995904U, 1778382464U,
+	1786772864U, 1795157888U, 1803550592U, 1811937664U, 1820327552U,
+	1828711552U, 1837102976U, 1845488768U, 1853879936U, 1862269312U,
+	1870656896U, 1879048064U, 1887431552U, 1895825024U, 1904212096U,
+	1912601216U, 1920988544U, 1929379456U, 1937765504U, 1946156672U,
+	1954543232U, 1962932096U, 1971321728U, 1979707264U, 1988093056U,
+	1996487552U, 2004874624U, 2013262208U, 2021653888U, 2030039936U,
+	2038430848U, 2046819968U, 2055208576U, 2063596672U, 2071981952U,
+	2080373632U, 2088762752U, 2097149056U, 2105539712U, 2113928576U,
+	2122315136U, 2130700672U, 2139092608U, 2147483264U, 2155872128U,
+	2164257664U, 2172642176U, 2181035392U, 2189426048U, 2197814912U,
+	2206203008U, 2214587264U, 2222979712U, 2231367808U, 2239758208U,
+	2248145024U, 2256527744U, 2264922752U, 2273312128U, 2281701248U,
+	2290086272U, 2298476672U, 2306867072U, 2315251072U, 2323639168U,
+	2332032128U, 2340420224U, 2348808064U, 2357196416U, 2365580416U,
+	2373966976U, 2382363008U, 2390748544U, 2399139968U, 2407530368U,
+	2415918976U, 2424307328U, 2432695424U, 2441084288U, 2449472384U,
+	2457861248U, 2466247808U, 2474637184U, 2483026816U, 2491414144U,
+	2499803776U, 2508191872U, 2516582272U, 2524970368U, 2533359232U,
+	2541743488U, 2550134144U, 2558525056U, 2566913408U, 2575301504U,
+	2583686528U, 2592073856U, 2600467328U, 2608856192U, 2617240448U,
+	2625631616U, 2634022016U, 2642407552U, 2650796416U, 2659188352U,
+	2667574912U, 2675965312U, 2684352896U, 2692738688U, 2701130624U,
+	2709518464U, 2717907328U, 2726293376U, 2734685056U, 2743073152U,
+	2751462016U, 2759851648U, 2768232832U, 2776625536U, 2785017728U,
+	2793401984U, 2801794432U, 2810182016U, 2818571648U, 2826959488U,
+	2835349376U, 2843734144U, 2852121472U, 2860514432U, 2868900992U,
+	2877286784U, 2885676928U, 2894069632U, 2902451584U, 2910843008U,
+	2919234688U, 2927622784U, 2936011648U, 2944400768U, 2952789376U,
+	2961177728U, 2969565568U, 2977951616U, 2986338944U, 2994731392U,
+	3003120256U, 3011508352U, 3019895936U, 3028287104U, 3036675968U,
+	3045063808U, 3053452928U, 3061837696U, 3070228352U, 3078615424U,
+	3087003776U, 3095394944U, 3103782272U, 3112173184U, 3120562048U,
+	3128944768U, 3137339264U, 3145725056U, 3154109312U, 3162505088U,
+	3170893184U, 3179280256U, 3187669376U, 3196056704U, 3204445568U,
+	3212836736U, 3221224064U, 3229612928U, 3238002304U, 3246391168U,
+	3254778496U, 3263165824U, 3271556224U, 3279944576U, 3288332416U,
+	3296719232U, 3305110912U, 3313500032U, 3321887104U, 3330273152U,
+	3338658944U, 3347053184U, 3355440512U, 3363827072U, 3372220288U,
+	3380608384U, 3388997504U, 3397384576U, 3405774208U, 3414163072U,
+	3422551936U, 3430937984U, 3439328384U, 3447714176U, 3456104576U,
+	3464493952U, 3472883584U, 3481268864U, 3489655168U, 3498048896U,
+	3506434432U, 3514826368U, 3523213952U, 3531603584U, 3539987072U,
+	3548380288U, 3556763264U, 3565157248U, 3573545344U, 3581934464U,
+	3590324096U, 3598712704U, 3607098752U, 3615488384U, 3623877248U,
+	3632265856U, 3640646528U, 3649043584U, 3657430144U, 3665821568U,
+	3674207872U, 3682597504U, 3690984832U, 3699367808U, 3707764352U,
+	3716152448U, 3724541056U, 3732925568U, 3741318016U, 3749706368U,
+	3758091136U, 3766481536U, 3774872704U, 3783260032U, 3791650432U,
+	3800036224U, 3808427648U, 3816815488U, 3825204608U, 3833592704U,
+	3841981568U, 3850370432U, 3858755968U, 3867147904U, 3875536256U,
+	3883920512U, 3892313728U, 3900702592U, 3909087872U, 3917478784U,
+	3925868416U, 3934256512U, 3942645376U, 3951032192U, 3959422336U,
+	3967809152U, 3976200064U, 3984588416U, 3992974976U, 4001363584U,
+	4009751168U, 4018141312U, 4026530432U, 4034911616U, 4043308928U,
+	4051695488U, 4060084352U, 4068472448U, 4076862848U, 4085249408U,
+	4093640576U, 4102028416U, 4110413696U, 4118805632U, 4127194496U,
+	4135583104U, 4143971968U, 4152360832U, 4160746112U, 4169135744U,
+	4177525888U, 4185912704U, 4194303616U, 4202691968U, 4211076736U,
+	4219463552U, 4227855488U, 4236246656U, 4244633728U, 4253022848U,
+	4261412224U, 4269799808U, 4278184832U, 4286578048U, 4294962304U,
+	4303349632U, 4311743104U, 4320130432U, 4328521088U, 4336909184U,
+	4345295488U, 4353687424U, 4362073472U, 4370458496U, 4378852736U,
+	4387238528U, 4395630208U, 4404019072U, 4412407424U, 4420790656U,
+	4429182848U, 4437571456U, 4445962112U, 4454344064U, 4462738048U,
+	4471119232U, 4479516544U, 4487904128U, 4496289664U, 4504682368U,
+	4513068416U, 4521459584U, 4529846144U, 4538232704U, 4546619776U,
+	4555010176U, 4563402112U, 4571790208U, 4580174464U, 4588567936U,
+	4596957056U, 4605344896U, 4613734016U, 4622119808U, 4630511488U,
+	4638898816U, 4647287936U, 4655675264U, 4664065664U, 4672451968U,
+	4680842624U, 4689231488U, 4697620352U, 4706007424U, 4714397056U,
+	4722786176U, 4731173248U, 4739562368U, 4747951744U, 4756340608U,
+	4764727936U, 4773114496U, 4781504384U, 4789894784U, 4798283648U,
+	4806667648U, 4815059584U, 4823449472U, 4831835776U, 4840226176U,
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+	14201911424U, 14210301824U, 14218685056U, 14227067264U, 14235467392U,
+	14243855488U, 14252243072U, 14260630144U, 14269021568U, 14277409408U,
+	14285799296U, 14294187904U, 14302571392U, 14310961792U, 14319353728U,
+	14327738752U, 14336130944U, 14344518784U, 14352906368U, 14361296512U,
+	14369685376U, 14378071424U, 14386462592U, 14394848128U, 14403230848U,
+	14411627392U, 14420013952U, 14428402304U, 14436793472U, 14445181568U,
+	14453569664U, 14461959808U, 14470347904U, 14478737024U, 14487122816U,
+	14495511424U, 14503901824U, 14512291712U, 14520677504U, 14529064832U,
+	14537456768U, 14545845632U, 14554234496U, 14562618496U, 14571011456U,
+	14579398784U, 14587789184U, 14596172672U, 14604564608U, 14612953984U,
+	14621341312U, 14629724288U, 14638120832U, 14646503296U, 14654897536U,
+	14663284864U, 14671675264U, 14680061056U, 14688447616U, 14696835968U,
+	14705228416U, 14713616768U, 14722003328U, 14730392192U, 14738784128U,
+	14747172736U, 14755561088U, 14763947648U, 14772336512U, 14780725376U,
+	14789110144U, 14797499776U, 14805892736U, 14814276992U, 14822670208U,
+	14831056256U, 14839444352U, 14847836032U, 14856222848U, 14864612992U,
+	14872997504U, 14881388672U, 14889775744U, 14898165376U, 14906553472U,
+	14914944896U, 14923329664U, 14931721856U, 14940109696U, 14948497024U,
+	14956887424U, 14965276544U, 14973663616U, 14982053248U, 14990439808U,
+	14998830976U, 15007216768U, 15015605888U, 15023995264U, 15032385152U,
+	15040768384U, 15049154944U, 15057549184U, 15065939072U, 15074328448U,
+	15082715008U, 15091104128U, 15099493504U, 15107879296U, 15116269184U,
+	15124659584U, 15133042304U, 15141431936U, 15149824384U, 15158214272U,
+	15166602368U, 15174991232U, 15183378304U, 15191760512U, 15200154496U,
+	15208542592U, 15216931712U, 15225323392U, 15233708416U, 15242098048U,
+	15250489216U, 15258875264U, 15267265408U, 15275654528U, 15284043136U,
+	15292431488U, 15300819584U, 15309208192U, 15317596544U, 15325986176U,
+	15334374784U, 15342763648U, 15351151744U, 15359540608U, 15367929728U,
+	15376318336U, 15384706432U, 15393092992U, 15401481856U, 15409869952U,
+	15418258816U, 15426649984U, 15435037568U, 15443425664U, 15451815296U,
+	15460203392U, 15468589184U, 15476979328U, 15485369216U, 15493755776U,
+	15502146944U, 15510534272U, 15518924416U, 15527311232U, 15535699072U,
+	15544089472U, 15552478336U, 15560866688U, 15569254528U, 15577642624U,
+	15586031488U, 15594419072U, 15602809472U, 15611199104U, 15619586432U,
+	15627975296U, 15636364928U, 15644753792U, 15653141888U, 15661529216U,
+	15669918848U, 15678305152U, 15686696576U, 15695083136U, 15703474048U,
+	15711861632U, 15720251264U, 15728636288U, 15737027456U, 15745417088U,
+	15753804928U, 15762194048U, 15770582656U, 15778971008U, 15787358336U,
+	15795747712U, 15804132224U, 15812523392U, 15820909696U, 15829300096U,
+	15837691264U, 15846071936U, 15854466944U, 15862855808U, 15871244672U,
+	15879634816U, 15888020608U, 15896409728U, 15904799104U, 15913185152U,
+	15921577088U, 15929966464U, 15938354816U, 15946743424U, 15955129472U,
+	15963519872U, 15971907968U, 15980296064U, 15988684928U, 15997073024U,
+	16005460864U, 16013851264U, 16022241152U, 16030629248U, 16039012736U,
+	16047406976U, 16055794816U, 16064181376U, 16072571264U, 16080957824U,
+	16089346688U, 16097737856U, 16106125184U, 16114514816U, 16122904192U,
+	16131292544U, 16139678848U, 16148066944U, 16156453504U, 16164839552U,
+	16173236096U, 16181623424U, 16190012032U, 16198401152U, 16206790528U,
+	16215177344U, 16223567744U, 16231956352U, 16240344704U, 16248731008U,
+	16257117824U, 16265504384U, 16273898624U, 16282281856U, 16290668672U,
+	16299064192U, 16307449216U, 16315842176U, 16324230016U, 16332613504U,
+	16341006464U, 16349394304U, 16357783168U, 16366172288U, 16374561664U,
+	16382951296U, 16391337856U, 16399726208U, 16408116352U, 16416505472U,
+	16424892032U, 16433282176U, 16441668224U, 16450058624U, 16458448768U,
+	16466836864U, 16475224448U, 16483613056U, 16492001408U, 16500391808U,
+	16508779648U, 16517166976U, 16525555328U, 16533944192U, 16542330752U,
+	16550719616U, 16559110528U, 16567497088U, 16575888512U, 16584274816U,
+	16592665472U, 16601051008U, 16609442944U, 16617832064U, 16626218624U,
+	16634607488U, 16642996096U, 16651385728U, 16659773824U, 16668163712U,
+	16676552576U, 16684938112U, 16693328768U, 16701718144U, 16710095488U,
+	16718492288U, 16726883968U, 16735272832U, 16743661184U, 16752049792U,
+	16760436608U, 16768827008U, 16777214336U, 16785599104U, 16793992832U,
+	16802381696U, 16810768768U, 16819151744U, 16827542656U, 16835934848U,
+	16844323712U, 16852711552U, 16861101952U, 16869489536U, 16877876864U,
+	16886265728U, 16894653056U, 16903044736U, 16911431296U, 16919821696U,
+	16928207488U, 16936592768U, 16944987776U, 16953375616U, 16961763968U,
+	16970152832U, 16978540928U, 16986929536U, 16995319168U, 17003704448U,
+	17012096896U, 17020481152U, 17028870784U, 17037262208U, 17045649536U,
+	17054039936U, 17062426496U, 17070814336U, 17079205504U, 17087592064U,
+	17095978112U, 17104369024U, 17112759424U, 17121147776U, 17129536384U,
+	17137926016U, 17146314368U, 17154700928U, 17163089792U, 17171480192U,
+	17179864192U, 17188256896U, 17196644992U, 17205033856U, 17213423488U,
+	17221811072U, 17230198912U, 17238588032U, 17246976896U, 17255360384U,
+	17263754624U, 17272143232U, 17280530048U, 17288918912U, 17297309312U,
+	17305696384U, 17314085504U, 17322475136U, 17330863744U, 17339252096U,
+	17347640192U, 17356026496U, 17364413824U, 17372796544U, 17381190016U,
+	17389583488U, 17397972608U, 17406360704U, 17414748544U, 17423135872U,
+	17431527296U, 17439915904U, 17448303232U, 17456691584U, 17465081728U,
+	17473468288U, 17481857408U, 17490247552U, 17498635904U, 17507022464U,
+	17515409024U, 17523801728U, 17532189824U, 17540577664U, 17548966016U,
+	17557353344U, 17565741184U, 17574131584U, 17582519168U, 17590907008U,
+	17599296128U, 17607687808U, 17616076672U, 17624455808U, 17632852352U,
+	17641238656U, 17649630848U, 17658018944U, 17666403968U, 17674794112U,
+	17683178368U, 17691573376U, 17699962496U, 17708350592U, 17716739968U,
+	17725126528U, 17733517184U, 17741898112U, 17750293888U, 17758673024U,
+	17767070336U, 17775458432U, 17783848832U, 17792236928U, 17800625536U,
+	17809012352U, 17817402752U, 17825785984U, 17834178944U, 17842563968U,
+	17850955648U, 17859344512U, 17867732864U, 17876119424U, 17884511872U,
+	17892900224U, 17901287296U, 17909677696U, 17918058112U, 17926451072U,
+	17934843776U, 17943230848U, 17951609216U, 17960008576U, 17968397696U,
+	17976784256U, 17985175424U, 17993564032U, 18001952128U, 18010339712U,
+	18018728576U, 18027116672U, 18035503232U, 18043894144U, 18052283264U,
+	18060672128U, 18069056384U, 18077449856U, 18085837184U, 18094225792U,
+	18102613376U, 18111004544U, 18119388544U, 18127781248U, 18136170368U,
+	18144558976U, 18152947328U, 18161336192U, 18169724288U, 18178108544U,
+	18186498944U, 18194886784U, 18203275648U, 18211666048U, 18220048768U,
+	18228444544U, 18236833408U, 18245220736U
+};
+
+
+// Generated with the following Mathematica Code:
+
+// GetCacheSizes[n_] := Module[{
+//         DataSetSizeBytesInit = 2^30,
+//         MixBytes = 128,
+//         DataSetGrowth = 2^23,
+//         HashBytes = 64,
+//         CacheMultiplier = 1024,
+//         j = 0},
+//     Reap[
+//       While[j < n,
+//        Module[{i = Floor[(DataSetSizeBytesInit + DataSetGrowth * j) / (CacheMultiplier * HashBytes)]},
+//         While[! PrimeQ[i], i--];
+//         Sow[i*HashBytes]; j++]]]][[2]][[1]]
+
+const uint64_t cache_sizes[2048] = {
+	16776896U, 16907456U, 17039296U, 17170112U, 17301056U, 17432512U, 17563072U,
+	17693888U, 17824192U, 17955904U, 18087488U, 18218176U, 18349504U, 18481088U,
+	18611392U, 18742336U, 18874304U, 19004224U, 19135936U, 19267264U, 19398208U,
+	19529408U, 19660096U, 19791424U, 19922752U, 20053952U, 20184896U, 20315968U,
+	20446912U, 20576576U, 20709184U, 20840384U, 20971072U, 21102272U, 21233216U,
+	21364544U, 21494848U, 21626816U, 21757376U, 21887552U, 22019392U, 22151104U,
+	22281536U, 22412224U, 22543936U, 22675264U, 22806464U, 22935872U, 23068096U,
+	23198272U, 23330752U, 23459008U, 23592512U, 23723968U, 23854912U, 23986112U,
+	24116672U, 24247616U, 24378688U, 24509504U, 24640832U, 24772544U, 24903488U,
+	25034432U, 25165376U, 25296704U, 25427392U, 25558592U, 25690048U, 25820096U,
+	25951936U, 26081728U, 26214208U, 26345024U, 26476096U, 26606656U, 26737472U,
+	26869184U, 26998208U, 27131584U, 27262528U, 27393728U, 27523904U, 27655744U,
+	27786688U, 27917888U, 28049344U, 28179904U, 28311488U, 28441792U, 28573504U,
+	28700864U, 28835648U, 28966208U, 29096768U, 29228608U, 29359808U, 29490752U,
+	29621824U, 29752256U, 29882816U, 30014912U, 30144448U, 30273728U, 30406976U,
+	30538432U, 30670784U, 30799936U, 30932672U, 31063744U, 31195072U, 31325248U,
+	31456192U, 31588288U, 31719232U, 31850432U, 31981504U, 32110784U, 32243392U,
+	32372672U, 32505664U, 32636608U, 32767808U, 32897344U, 33029824U, 33160768U,
+	33289664U, 33423296U, 33554368U, 33683648U, 33816512U, 33947456U, 34076992U,
+	34208704U, 34340032U, 34471744U, 34600256U, 34734016U, 34864576U, 34993984U,
+	35127104U, 35258176U, 35386688U, 35518528U, 35650624U, 35782336U, 35910976U,
+	36044608U, 36175808U, 36305728U, 36436672U, 36568384U, 36699968U, 36830656U,
+	36961984U, 37093312U, 37223488U, 37355072U, 37486528U, 37617472U, 37747904U,
+	37879232U, 38009792U, 38141888U, 38272448U, 38403392U, 38535104U, 38660672U,
+	38795584U, 38925632U, 39059264U, 39190336U, 39320768U, 39452096U, 39581632U,
+	39713984U, 39844928U, 39974848U, 40107968U, 40238144U, 40367168U, 40500032U,
+	40631744U, 40762816U, 40894144U, 41023552U, 41155904U, 41286208U, 41418304U,
+	41547712U, 41680448U, 41811904U, 41942848U, 42073792U, 42204992U, 42334912U,
+	42467008U, 42597824U, 42729152U, 42860096U, 42991552U, 43122368U, 43253696U,
+	43382848U, 43515712U, 43646912U, 43777088U, 43907648U, 44039104U, 44170432U,
+	44302144U, 44433344U, 44564288U, 44694976U, 44825152U, 44956864U, 45088448U,
+	45219008U, 45350464U, 45481024U, 45612608U, 45744064U, 45874496U, 46006208U,
+	46136768U, 46267712U, 46399424U, 46529344U, 46660672U, 46791488U, 46923328U,
+	47053504U, 47185856U, 47316928U, 47447872U, 47579072U, 47710144U, 47839936U,
+	47971648U, 48103232U, 48234176U, 48365248U, 48496192U, 48627136U, 48757312U,
+	48889664U, 49020736U, 49149248U, 49283008U, 49413824U, 49545152U, 49675712U,
+	49807168U, 49938368U, 50069056U, 50200256U, 50331584U, 50462656U, 50593472U,
+	50724032U, 50853952U, 50986048U, 51117632U, 51248576U, 51379904U, 51510848U,
+	51641792U, 51773248U, 51903296U, 52035136U, 52164032U, 52297664U, 52427968U,
+	52557376U, 52690112U, 52821952U, 52952896U, 53081536U, 53213504U, 53344576U,
+	53475776U, 53608384U, 53738816U, 53870528U, 54000832U, 54131776U, 54263744U,
+	54394688U, 54525248U, 54655936U, 54787904U, 54918592U, 55049152U, 55181248U,
+	55312064U, 55442752U, 55574336U, 55705024U, 55836224U, 55967168U, 56097856U,
+	56228672U, 56358592U, 56490176U, 56621888U, 56753728U, 56884928U, 57015488U,
+	57146816U, 57278272U, 57409216U, 57540416U, 57671104U, 57802432U, 57933632U,
+	58064576U, 58195264U, 58326976U, 58457408U, 58588864U, 58720192U, 58849984U,
+	58981696U, 59113024U, 59243456U, 59375552U, 59506624U, 59637568U, 59768512U,
+	59897792U, 60030016U, 60161984U, 60293056U, 60423872U, 60554432U, 60683968U,
+	60817216U, 60948032U, 61079488U, 61209664U, 61341376U, 61471936U, 61602752U,
+	61733696U, 61865792U, 61996736U, 62127808U, 62259136U, 62389568U, 62520512U,
+	62651584U, 62781632U, 62910784U, 63045056U, 63176128U, 63307072U, 63438656U,
+	63569216U, 63700928U, 63831616U, 63960896U, 64093888U, 64225088U, 64355392U,
+	64486976U, 64617664U, 64748608U, 64879424U, 65009216U, 65142464U, 65273792U,
+	65402816U, 65535424U, 65666752U, 65797696U, 65927744U, 66060224U, 66191296U,
+	66321344U, 66453056U, 66584384U, 66715328U, 66846656U, 66977728U, 67108672U,
+	67239104U, 67370432U, 67501888U, 67631296U, 67763776U, 67895104U, 68026304U,
+	68157248U, 68287936U, 68419264U, 68548288U, 68681408U, 68811968U, 68942912U,
+	69074624U, 69205568U, 69337024U, 69467584U, 69599168U, 69729472U, 69861184U,
+	69989824U, 70122944U, 70253888U, 70385344U, 70515904U, 70647232U, 70778816U,
+	70907968U, 71040832U, 71171648U, 71303104U, 71432512U, 71564992U, 71695168U,
+	71826368U, 71958464U, 72089536U, 72219712U, 72350144U, 72482624U, 72613568U,
+	72744512U, 72875584U, 73006144U, 73138112U, 73268672U, 73400128U, 73530944U,
+	73662272U, 73793344U, 73924544U, 74055104U, 74185792U, 74316992U, 74448832U,
+	74579392U, 74710976U, 74841664U, 74972864U, 75102784U, 75233344U, 75364544U,
+	75497024U, 75627584U, 75759296U, 75890624U, 76021696U, 76152256U, 76283072U,
+	76414144U, 76545856U, 76676672U, 76806976U, 76937792U, 77070016U, 77200832U,
+	77331392U, 77462464U, 77593664U, 77725376U, 77856448U, 77987776U, 78118336U,
+	78249664U, 78380992U, 78511424U, 78642496U, 78773056U, 78905152U, 79033664U,
+	79166656U, 79297472U, 79429568U, 79560512U, 79690816U, 79822784U, 79953472U,
+	80084672U, 80214208U, 80346944U, 80477632U, 80608576U, 80740288U, 80870848U,
+	81002048U, 81133504U, 81264448U, 81395648U, 81525952U, 81657536U, 81786304U,
+	81919808U, 82050112U, 82181312U, 82311616U, 82443968U, 82573376U, 82705984U,
+	82835776U, 82967744U, 83096768U, 83230528U, 83359552U, 83491264U, 83622464U,
+	83753536U, 83886016U, 84015296U, 84147776U, 84277184U, 84409792U, 84540608U,
+	84672064U, 84803008U, 84934336U, 85065152U, 85193792U, 85326784U, 85458496U,
+	85589312U, 85721024U, 85851968U, 85982656U, 86112448U, 86244416U, 86370112U,
+	86506688U, 86637632U, 86769344U, 86900672U, 87031744U, 87162304U, 87293632U,
+	87424576U, 87555392U, 87687104U, 87816896U, 87947968U, 88079168U, 88211264U,
+	88341824U, 88473152U, 88603712U, 88735424U, 88862912U, 88996672U, 89128384U,
+	89259712U, 89390272U, 89521984U, 89652544U, 89783872U, 89914816U, 90045376U,
+	90177088U, 90307904U, 90438848U, 90569152U, 90700096U, 90832832U, 90963776U,
+	91093696U, 91223744U, 91356992U, 91486784U, 91618496U, 91749824U, 91880384U,
+	92012224U, 92143552U, 92273344U, 92405696U, 92536768U, 92666432U, 92798912U,
+	92926016U, 93060544U, 93192128U, 93322816U, 93453632U, 93583936U, 93715136U,
+	93845056U, 93977792U, 94109504U, 94240448U, 94371776U, 94501184U, 94632896U,
+	94764224U, 94895552U, 95023424U, 95158208U, 95287744U, 95420224U, 95550016U,
+	95681216U, 95811904U, 95943872U, 96075328U, 96203584U, 96337856U, 96468544U,
+	96599744U, 96731072U, 96860992U, 96992576U, 97124288U, 97254848U, 97385536U,
+	97517248U, 97647808U, 97779392U, 97910464U, 98041408U, 98172608U, 98303168U,
+	98434496U, 98565568U, 98696768U, 98827328U, 98958784U, 99089728U, 99220928U,
+	99352384U, 99482816U, 99614272U, 99745472U, 99876416U, 100007104U,
+	100138048U, 100267072U, 100401088U, 100529984U, 100662592U, 100791872U,
+	100925248U, 101056064U, 101187392U, 101317952U, 101449408U, 101580608U,
+	101711296U, 101841728U, 101973824U, 102104896U, 102235712U, 102366016U,
+	102498112U, 102628672U, 102760384U, 102890432U, 103021888U, 103153472U,
+	103284032U, 103415744U, 103545152U, 103677248U, 103808576U, 103939648U,
+	104070976U, 104201792U, 104332736U, 104462528U, 104594752U, 104725952U,
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+	270791744U, 270924736U, 271056832U, 271186112U, 271317184U, 271449536U,
+	271580992U, 271711936U, 271843136U, 271973056U, 272105408U, 272236352U,
+	272367296U, 272498368U, 272629568U, 272759488U, 272891456U, 273022784U,
+	273153856U, 273284672U, 273415616U, 273547072U, 273677632U, 273808448U,
+	273937088U, 274071488U, 274200896U, 274332992U, 274463296U, 274595392U,
+	274726208U, 274857536U, 274988992U, 275118656U, 275250496U, 275382208U,
+	275513024U, 275643968U, 275775296U, 275906368U, 276037184U, 276167872U,
+	276297664U, 276429376U, 276560576U, 276692672U, 276822976U, 276955072U,
+	277085632U, 277216832U, 277347008U, 277478848U, 277609664U, 277740992U,
+	277868608U, 278002624U, 278134336U, 278265536U, 278395328U, 278526784U,
+	278657728U, 278789824U, 278921152U, 279052096U, 279182912U, 279313088U,
+	279443776U, 279576256U, 279706048U, 279838528U, 279969728U, 280099648U,
+	280230976U, 280361408U, 280493632U, 280622528U, 280755392U, 280887104U,
+	281018176U, 281147968U, 281278912U, 281411392U, 281542592U, 281673152U,
+	281803712U, 281935552U, 282066496U, 282197312U, 282329024U, 282458816U,
+	282590272U, 282720832U, 282853184U, 282983744U, 283115072U, 283246144U,
+	283377344U, 283508416U, 283639744U, 283770304U, 283901504U, 284032576U,
+	284163136U, 284294848U, 284426176U, 284556992U, 284687296U, 284819264U,
+	284950208U, 285081536U
+};
+
+#ifdef __cplusplus
+}
+#endif

src/3rdparty/libethash/endian.h

@@ -0,0 +1,77 @@
+#pragma once
+
+#include <stdint.h>
+
+#if defined(__MINGW32__) || defined(_WIN32)
+  # define LITTLE_ENDIAN 1234
+  # define BYTE_ORDER    LITTLE_ENDIAN
+#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__)
+  # include <sys/endian.h>
+#elif defined(__OpenBSD__) || defined(__SVR4)
+  # include <sys/types.h>
+#elif defined(__APPLE__)
+# include <machine/endian.h>
+#elif defined( BSD ) && (BSD >= 199103)
+  # include <machine/endian.h>
+#elif defined( __QNXNTO__ ) && defined( __LITTLEENDIAN__ )
+  # define LITTLE_ENDIAN 1234
+  # define BYTE_ORDER    LITTLE_ENDIAN
+#elif defined( __QNXNTO__ ) && defined( __BIGENDIAN__ )
+  # define BIG_ENDIAN 1234
+  # define BYTE_ORDER BIG_ENDIAN
+#else
+# include <endian.h>
+#endif
+
+#if defined(_WIN32)
+#include <stdlib.h>
+#define ethash_swap_u32(input_) _byteswap_ulong(input_)
+#define ethash_swap_u64(input_) _byteswap_uint64(input_)
+#elif defined(__APPLE__)
+#include <libkern/OSByteOrder.h>
+#define ethash_swap_u32(input_) OSSwapInt32(input_)
+#define ethash_swap_u64(input_) OSSwapInt64(input_)
+#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__)
+#define ethash_swap_u32(input_) bswap32(input_)
+#define ethash_swap_u64(input_) bswap64(input_)
+#elif defined(__OpenBSD__)
+#include <endian.h>
+#define ethash_swap_u32(input_) swap32(input_)
+#define ethash_swap_u64(input_) swap64(input_)
+#else // posix
+#include <byteswap.h>
+#define ethash_swap_u32(input_) bswap_32(input_)
+#define ethash_swap_u64(input_) bswap_64(input_)
+#endif
+
+
+#if LITTLE_ENDIAN == BYTE_ORDER
+
+#define fix_endian32(dst_ ,src_) dst_ = src_
+#define fix_endian32_same(val_)
+#define fix_endian64(dst_, src_) dst_ = src_
+#define fix_endian64_same(val_)
+#define fix_endian_arr32(arr_, size_)
+#define fix_endian_arr64(arr_, size_)
+
+#elif BIG_ENDIAN == BYTE_ORDER
+
+#define fix_endian32(dst_, src_) dst_ = ethash_swap_u32(src_)
+#define fix_endian32_same(val_) val_ = ethash_swap_u32(val_)
+#define fix_endian64(dst_, src_) dst_ = ethash_swap_u64(src_)
+#define fix_endian64_same(val_) val_ = ethash_swap_u64(val_)
+#define fix_endian_arr32(arr_, size_) \
+  do { \
+    for (unsigned i_ = 0; i_ < (size_); ++i_) { \
+      arr_[i_] = ethash_swap_u32(arr_[i_]); \
+    } \
+  } while (0)
+#define fix_endian_arr64(arr_, size_) \
+  do { \
+    for (unsigned i_ = 0; i_ < (size_); ++i_) { \
+      arr_[i_] = ethash_swap_u64(arr_[i_]); \
+    } \
+  } while (0)
+#else
+# error "endian not supported"
+#endif // BYTE_ORDER

src/3rdparty/libethash/ethash.h

@@ -0,0 +1,158 @@
+/*
+  This file is part of ethash.
+
+  ethash is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  ethash is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with ethash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/** @file ethash.h
+* @date 2015
+*/
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stddef.h>
+
+#define ETHASH_REVISION 23
+#define ETHASH_DATASET_BYTES_INIT 1073741824U // 2**30
+#define ETHASH_DATASET_BYTES_GROWTH 8388608U  // 2**23
+#define ETHASH_CACHE_BYTES_INIT 1073741824U // 2**24
+#define ETHASH_CACHE_BYTES_GROWTH 131072U  // 2**17
+#define ETHASH_EPOCH_LENGTH 30000U
+#define ETHASH_MIX_BYTES 128
+#define ETHASH_HASH_BYTES 64
+#define ETHASH_DATASET_PARENTS 256
+#define ETHASH_CACHE_ROUNDS 3
+#define ETHASH_ACCESSES 64
+#define ETHASH_DAG_MAGIC_NUM_SIZE 8
+#define ETHASH_DAG_MAGIC_NUM 0xFEE1DEADBADDCAFE
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/// Type of a seedhash/blockhash e.t.c.
+typedef struct ethash_h256 { uint8_t b[32]; } ethash_h256_t;
+
+// convenience macro to statically initialize an h256_t
+// usage:
+// ethash_h256_t a = ethash_h256_static_init(1, 2, 3, ... )
+// have to provide all 32 values. If you don't provide all the rest
+// will simply be unitialized (not guranteed to be 0)
+#define ethash_h256_static_init(...)			\
+	{ {__VA_ARGS__} }
+
+struct ethash_light;
+typedef struct ethash_light* ethash_light_t;
+struct ethash_full;
+typedef struct ethash_full* ethash_full_t;
+typedef int(*ethash_callback_t)(unsigned);
+
+typedef struct ethash_return_value {
+	ethash_h256_t result;
+	ethash_h256_t mix_hash;
+	bool success;
+} ethash_return_value_t;
+
+/**
+ * Allocate and initialize a new ethash_light handler
+ *
+ * @param block_number   The block number for which to create the handler
+ * @return               Newly allocated ethash_light handler or NULL in case of
+ *                       ERRNOMEM or invalid parameters used for @ref ethash_compute_cache_nodes()
+ */
+ethash_light_t ethash_light_new(uint64_t block_number);
+/**
+ */
+bool ethash_compute_cache_nodes(
+    void* nodes,
+    uint64_t cache_size,
+    ethash_h256_t const* seed
+);
+/**
+ * Frees a previously allocated ethash_light handler
+ * @param light        The light handler to free
+ */
+void ethash_light_delete(ethash_light_t light);
+/**
+ * Calculate the light client data
+ *
+ * @param light          The light client handler
+ * @param header_hash    The header hash to pack into the mix
+ * @param nonce          The nonce to pack into the mix
+ * @return               an object of ethash_return_value_t holding the return values
+ */
+ethash_return_value_t ethash_light_compute(
+	ethash_light_t light,
+	ethash_h256_t const header_hash,
+	uint64_t nonce
+);
+
+/**
+ * Allocate and initialize a new ethash_full handler
+ *
+ * @param light         The light handler containing the cache.
+ * @param callback      A callback function with signature of @ref ethash_callback_t
+ *                      It accepts an unsigned with which a progress of DAG calculation
+ *                      can be displayed. If all goes well the callback should return 0.
+ *                      If a non-zero value is returned then DAG generation will stop.
+ *                      Be advised. A progress value of 100 means that DAG creation is
+ *                      almost complete and that this function will soon return succesfully.
+ *                      It does not mean that the function has already had a succesfull return.
+ * @return              Newly allocated ethash_full handler or NULL in case of
+ *                      ERRNOMEM or invalid parameters used for @ref ethash_compute_full_data()
+ */
+ethash_full_t ethash_full_new(ethash_light_t light, ethash_callback_t callback);
+
+/**
+ * Frees a previously allocated ethash_full handler
+ * @param full    The light handler to free
+ */
+void ethash_full_delete(ethash_full_t full);
+/**
+ * Calculate the full client data
+ *
+ * @param full           The full client handler
+ * @param header_hash    The header hash to pack into the mix
+ * @param nonce          The nonce to pack into the mix
+ * @return               An object of ethash_return_value to hold the return value
+ */
+ethash_return_value_t ethash_full_compute(
+	ethash_full_t full,
+	ethash_h256_t const header_hash,
+	uint64_t nonce
+);
+/**
+ * Get a pointer to the full DAG data
+ */
+void const* ethash_full_dag(ethash_full_t full);
+/**
+ * Get the size of the DAG data
+ */
+uint64_t ethash_full_dag_size(ethash_full_t full);
+
+/**
+ * Calculate the seedhash for a given epoch
+ */
+ethash_h256_t ethash_get_seedhash(uint64_t epoch);
+
+/**
+ * KeccakF800 for ProgPoW
+ */
+void ethash_keccakf800(uint32_t state[25]);
+
+#ifdef __cplusplus
+}
+#endif

src/3rdparty/libethash/ethash_internal.c

@@ -0,0 +1,463 @@
+/*
+  This file is part of ethash.
+
+  ethash is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  ethash is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with cpp-ethereum.	If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file internal.c
+* @author Tim Hughes <tim@twistedfury.com>
+* @author Matthew Wampler-Doty
+* @date 2015
+*/
+
+#include <assert.h>
+#include <inttypes.h>
+#include <stddef.h>
+#include <errno.h>
+#include <math.h>
+#include <stdlib.h>
+#include "ethash.h"
+#include "fnv.h"
+#include "endian.h"
+#include "ethash_internal.h"
+#include "data_sizes.h"
+#include "base/crypto/sha3.h"
+
+#if defined(_M_X64) || defined(__x86_64__) || defined(__SSE2__)
+	#ifdef __GNUC__
+		#include <x86intrin.h>
+	#else
+		#include <intrin.h>
+	#endif
+
+	#define kp_prefetch(x) _mm_prefetch((x), _MM_HINT_T0);
+#else
+	#define kp_prefetch(x)
+#endif
+
+#define SHA3_256(a, b, c) sha3_HashBuffer(256, SHA3_FLAGS_KECCAK, b, c, a, 32)
+#define SHA3_512(a, b, c) sha3_HashBuffer(512, SHA3_FLAGS_KECCAK, b, c, a, 64)
+
+uint64_t ethash_get_datasize(uint64_t const block_number)
+{
+	assert(block_number / ETHASH_EPOCH_LENGTH < 2048);
+	return dag_sizes[block_number / ETHASH_EPOCH_LENGTH];
+}
+
+uint64_t ethash_get_cachesize(uint64_t const block_number)
+{
+	assert(block_number / ETHASH_EPOCH_LENGTH < 2048);
+	return cache_sizes[block_number / ETHASH_EPOCH_LENGTH];
+}
+
+// Follows Sergio's "STRICT MEMORY HARD HASHING FUNCTIONS" (2014)
+// https://bitslog.files.wordpress.com/2013/12/memohash-v0-3.pdf
+// SeqMemoHash(s, R, N)
+bool ethash_compute_cache_nodes(
+	void* nodes_ptr,
+	uint64_t cache_size,
+	ethash_h256_t const* seed
+)
+{
+	if (cache_size % sizeof(node) != 0) {
+		return false;
+	}
+	uint32_t const num_nodes = (uint32_t) (cache_size / sizeof(node));
+
+	node* nodes = (node*)nodes_ptr;
+	SHA3_512(nodes[0].bytes, (uint8_t*)seed, 32);
+
+	for (uint32_t i = 1; i != num_nodes; ++i) {
+		SHA3_512(nodes[i].bytes, nodes[i - 1].bytes, 64);
+	}
+
+	for (uint32_t j = 0; j != ETHASH_CACHE_ROUNDS; j++) {
+		for (uint32_t i = 0; i != num_nodes; i++) {
+			uint32_t const idx = nodes[i].words[0] % num_nodes;
+			node data;
+			data = nodes[(num_nodes - 1 + i) % num_nodes];
+			for (uint32_t w = 0; w != NODE_WORDS; ++w) {
+				data.words[w] ^= nodes[idx].words[w];
+			}
+			SHA3_512(nodes[i].bytes, data.bytes, sizeof(data));
+		}
+	}
+
+	// now perform endian conversion
+	fix_endian_arr32(nodes->words, num_nodes * NODE_WORDS);
+	return true;
+}
+
+void ethash_calculate_dag_item(
+	node* const ret,
+	uint32_t node_index,
+	uint32_t num_parents,
+	ethash_light_t const light
+)
+{
+	uint32_t num_parent_nodes = (uint32_t) (light->cache_size / sizeof(node));
+	node const* cache_nodes = (node const *) light->cache;
+	node const* init = &cache_nodes[node_index % num_parent_nodes];
+	memcpy(ret, init, sizeof(node));
+	ret->words[0] ^= node_index;
+	SHA3_512(ret->bytes, ret->bytes, sizeof(node));
+#if defined(_M_X64) && ENABLE_SSE
+	__m128i const fnv_prime = _mm_set1_epi32(FNV_PRIME);
+	__m128i xmm0 = ret->xmm[0];
+	__m128i xmm1 = ret->xmm[1];
+	__m128i xmm2 = ret->xmm[2];
+	__m128i xmm3 = ret->xmm[3];
+#endif
+
+	for (uint32_t i = 0; i != num_parents; ++i) {
+		uint32_t parent_index = fnv_hash(node_index ^ i, ret->words[i % NODE_WORDS]) % num_parent_nodes;
+		node const *parent = &cache_nodes[parent_index];
+
+#if defined(_M_X64) && ENABLE_SSE
+		{
+			xmm0 = _mm_mullo_epi32(xmm0, fnv_prime);
+			xmm1 = _mm_mullo_epi32(xmm1, fnv_prime);
+			xmm2 = _mm_mullo_epi32(xmm2, fnv_prime);
+			xmm3 = _mm_mullo_epi32(xmm3, fnv_prime);
+			xmm0 = _mm_xor_si128(xmm0, parent->xmm[0]);
+			xmm1 = _mm_xor_si128(xmm1, parent->xmm[1]);
+			xmm2 = _mm_xor_si128(xmm2, parent->xmm[2]);
+			xmm3 = _mm_xor_si128(xmm3, parent->xmm[3]);
+
+			// have to write to ret as values are used to compute index
+			ret->xmm[0] = xmm0;
+			ret->xmm[1] = xmm1;
+			ret->xmm[2] = xmm2;
+			ret->xmm[3] = xmm3;
+		}
+#else
+		{
+			for (unsigned w = 0; w != NODE_WORDS; ++w) {
+				ret->words[w] = fnv_hash(ret->words[w], parent->words[w]);
+			}
+		}
+#endif
+	}
+	SHA3_512(ret->bytes, ret->bytes, sizeof(node));
+}
+
+static inline uint32_t fast_mod(uint64_t a, uint64_t d, uint64_t r, uint64_t i, uint64_t s)
+{
+	const uint32_t q = ((a + i) * r) >> s;
+	return a - q * d;
+}
+
+void ethash_calculate_dag_item_opt(
+	node* const ret,
+	uint32_t node_index,
+	uint32_t num_parents,
+	ethash_light_t const light
+)
+{
+	node const* cache_nodes = (node const*)light->cache;
+	node const* init = &cache_nodes[fast_mod(node_index, light->num_parent_nodes, light->reciprocal, light->increment, light->shift)];
+	memcpy(ret, init, sizeof(node));
+	ret->words[0] ^= node_index;
+	SHA3_512(ret->bytes, ret->bytes, sizeof(node));
+
+	for (uint32_t i = 0; i != num_parents; ++i) {
+		uint32_t parent_index = fast_mod(fnv_hash(node_index ^ i, ret->words[i % NODE_WORDS]), light->num_parent_nodes, light->reciprocal, light->increment, light->shift);
+		node const* parent = &cache_nodes[parent_index];
+		for (unsigned w = 0; w != NODE_WORDS; ++w) {
+			ret->words[w] = fnv_hash(ret->words[w], parent->words[w]);
+		}
+	}
+	SHA3_512(ret->bytes, ret->bytes, sizeof(node));
+}
+
+void ethash_calculate_dag_item4_opt(
+	node* ret,
+	uint32_t node_index,
+	uint32_t num_parents,
+	ethash_light_t const light
+)
+{
+	node const* cache_nodes = (node const*)light->cache;
+
+	for (size_t i = 0; i < 4; ++i) {
+		node const* init = &cache_nodes[fast_mod(node_index + i, light->num_parent_nodes, light->reciprocal, light->increment, light->shift)];
+		memcpy(ret + i, init, sizeof(node));
+		ret[i].words[0] ^= node_index + i;
+		SHA3_512(ret[i].bytes, ret[i].bytes, sizeof(node));
+	}
+
+	for (uint32_t i = 0; i != num_parents; ++i) {
+		node const* parent[4];
+
+		for (uint32_t j = 0; j < 4; ++j) {
+			const uint32_t parent_index = fast_mod(fnv_hash((node_index + j) ^ i, ret[j].words[i % NODE_WORDS]), light->num_parent_nodes, light->reciprocal, light->increment, light->shift);
+			parent[j] = &cache_nodes[parent_index];
+			kp_prefetch(parent[j]);
+		}
+
+		for (unsigned w = 0; w != NODE_WORDS; ++w) ret[0].words[w] = fnv_hash(ret[0].words[w], parent[0]->words[w]);
+		for (unsigned w = 0; w != NODE_WORDS; ++w) ret[1].words[w] = fnv_hash(ret[1].words[w], parent[1]->words[w]);
+		for (unsigned w = 0; w != NODE_WORDS; ++w) ret[2].words[w] = fnv_hash(ret[2].words[w], parent[2]->words[w]);
+		for (unsigned w = 0; w != NODE_WORDS; ++w) ret[3].words[w] = fnv_hash(ret[3].words[w], parent[3]->words[w]);
+	}
+
+	for (size_t i = 0; i < 4; ++i) {
+		SHA3_512(ret[i].bytes, ret[i].bytes, sizeof(node));
+	}
+}
+
+bool ethash_compute_full_data(
+	void* mem,
+	uint64_t full_size,
+	ethash_light_t const light,
+	ethash_callback_t callback
+)
+{
+	if (full_size % (sizeof(uint32_t) * MIX_WORDS) != 0 ||
+		(full_size % sizeof(node)) != 0) {
+		return false;
+	}
+	uint32_t const max_n = (uint32_t)(full_size / sizeof(node));
+	node* full_nodes = (node*) mem;
+	double const progress_change = 1.0f / max_n;
+	double progress = 0.0f;
+	// now compute full nodes
+	for (uint32_t n = 0; n != max_n; ++n) {
+		if (callback &&
+			n % (max_n / 100) == 0 &&
+			callback((unsigned int)(ceil(progress * 100.0f))) != 0) {
+
+			return false;
+		}
+		progress += progress_change;
+		ethash_calculate_dag_item(&(full_nodes[n]), n, ETHASH_DATASET_PARENTS, light);
+	}
+	return true;
+}
+
+static bool ethash_hash(
+	ethash_return_value_t* ret,
+	node const* full_nodes,
+	ethash_light_t const light,
+	uint64_t full_size,
+	ethash_h256_t const header_hash,
+	uint64_t const nonce
+)
+{
+	if (full_size % MIX_WORDS != 0) {
+		return false;
+	}
+
+	// pack hash and nonce together into first 40 bytes of s_mix
+	assert(sizeof(node) * 8 == 512);
+	node s_mix[MIX_NODES + 1];
+	memcpy(s_mix[0].bytes, &header_hash, 32);
+	fix_endian64(s_mix[0].double_words[4], nonce);
+
+	// compute sha3-512 hash and replicate across mix
+	SHA3_512(s_mix->bytes, s_mix->bytes, 40);
+	fix_endian_arr32(s_mix[0].words, 16);
+
+	node* const mix = s_mix + 1;
+	for (uint32_t w = 0; w != MIX_WORDS; ++w) {
+		mix->words[w] = s_mix[0].words[w % NODE_WORDS];
+	}
+
+	unsigned const page_size = sizeof(uint32_t) * MIX_WORDS;
+	unsigned const num_full_pages = (unsigned) (full_size / page_size);
+
+	for (unsigned i = 0; i != ETHASH_ACCESSES; ++i) {
+		uint32_t const index = fnv_hash(s_mix->words[0] ^ i, mix->words[i % MIX_WORDS]) % num_full_pages;
+
+		for (unsigned n = 0; n != MIX_NODES; ++n) {
+			node const* dag_node;
+			node tmp_node;
+			if (full_nodes) {
+				dag_node = &full_nodes[MIX_NODES * index + n];
+			} else {
+				ethash_calculate_dag_item(&tmp_node, index * MIX_NODES + n, ETHASH_DATASET_PARENTS, light);
+				dag_node = &tmp_node;
+			}
+
+#if defined(_M_X64) && ENABLE_SSE
+			{
+				__m128i fnv_prime = _mm_set1_epi32(FNV_PRIME);
+				__m128i xmm0 = _mm_mullo_epi32(fnv_prime, mix[n].xmm[0]);
+				__m128i xmm1 = _mm_mullo_epi32(fnv_prime, mix[n].xmm[1]);
+				__m128i xmm2 = _mm_mullo_epi32(fnv_prime, mix[n].xmm[2]);
+				__m128i xmm3 = _mm_mullo_epi32(fnv_prime, mix[n].xmm[3]);
+				mix[n].xmm[0] = _mm_xor_si128(xmm0, dag_node->xmm[0]);
+				mix[n].xmm[1] = _mm_xor_si128(xmm1, dag_node->xmm[1]);
+				mix[n].xmm[2] = _mm_xor_si128(xmm2, dag_node->xmm[2]);
+				mix[n].xmm[3] = _mm_xor_si128(xmm3, dag_node->xmm[3]);
+			}
+			#else
+			{
+				for (unsigned w = 0; w != NODE_WORDS; ++w) {
+					mix[n].words[w] = fnv_hash(mix[n].words[w], dag_node->words[w]);
+				}
+			}
+#endif
+		}
+
+	}
+
+	// compress mix
+	for (uint32_t w = 0; w != MIX_WORDS; w += 4) {
+		uint32_t reduction = mix->words[w + 0];
+		reduction = reduction * FNV_PRIME ^ mix->words[w + 1];
+		reduction = reduction * FNV_PRIME ^ mix->words[w + 2];
+		reduction = reduction * FNV_PRIME ^ mix->words[w + 3];
+		mix->words[w / 4] = reduction;
+	}
+
+	fix_endian_arr32(mix->words, MIX_WORDS / 4);
+	memcpy(&ret->mix_hash, mix->bytes, 32);
+	// final Keccak hash
+	SHA3_256(&ret->result, s_mix->bytes, 64 + 32); // Keccak-256(s + compressed_mix)
+	return true;
+}
+
+void ethash_quick_hash(
+	ethash_h256_t* return_hash,
+	ethash_h256_t const* header_hash,
+	uint64_t nonce,
+	ethash_h256_t const* mix_hash
+)
+{
+	uint8_t buf[64 + 32];
+	memcpy(buf, header_hash, 32);
+	fix_endian64_same(nonce);
+	memcpy(&(buf[32]), &nonce, 8);
+	SHA3_512(buf, buf, 40);
+	memcpy(&(buf[64]), mix_hash, 32);
+	SHA3_256(return_hash, buf, 64 + 32);
+}
+
+ethash_h256_t ethash_get_seedhash(uint64_t epoch)
+{
+	ethash_h256_t ret;
+	ethash_h256_reset(&ret);
+	for (uint32_t i = 0; i < epoch; ++i)
+		SHA3_256(&ret, (uint8_t*)&ret, 32);
+	return ret;
+}
+
+bool ethash_quick_check_difficulty(
+	ethash_h256_t const* header_hash,
+	uint64_t const nonce,
+	ethash_h256_t const* mix_hash,
+	ethash_h256_t const* boundary
+)
+{
+	ethash_h256_t return_hash;
+	ethash_quick_hash(&return_hash, header_hash, nonce, mix_hash);
+	return ethash_check_difficulty(&return_hash, boundary);
+}
+
+ethash_light_t ethash_light_new_internal(uint64_t cache_size, ethash_h256_t const* seed)
+{
+	struct ethash_light *ret;
+	ret = (struct ethash_light*)calloc(sizeof(*ret), 1);
+	if (!ret) {
+		return NULL;
+	}
+	ret->cache = malloc((size_t)cache_size);
+	if (!ret->cache) {
+		goto fail_free_light;
+	}
+	node* nodes = (node*)ret->cache;
+	if (!ethash_compute_cache_nodes(nodes, cache_size, seed)) {
+		goto fail_free_cache_mem;
+	}
+	ret->cache_size = cache_size;
+	return ret;
+
+fail_free_cache_mem:
+	free(ret->cache);
+fail_free_light:
+	free(ret);
+	return NULL;
+}
+
+ethash_light_t ethash_light_new(uint64_t block_number)
+{
+	ethash_h256_t seedhash = ethash_get_seedhash(block_number / ETHASH_EPOCH_LENGTH);
+	ethash_light_t ret;
+	ret = ethash_light_new_internal(ethash_get_cachesize(block_number), &seedhash);
+	ret->block_number = block_number;
+	return ret;
+}
+
+void ethash_light_delete(ethash_light_t light)
+{
+	if (light->cache) {
+		free(light->cache);
+	}
+	free(light);
+}
+
+ethash_return_value_t ethash_light_compute_internal(
+	ethash_light_t light,
+	uint64_t full_size,
+	ethash_h256_t const header_hash,
+	uint64_t nonce
+)
+{
+	ethash_return_value_t ret;
+	ret.success = true;
+	if (!ethash_hash(&ret, NULL, light, full_size, header_hash, nonce)) {
+		ret.success = false;
+	}
+	return ret;
+}
+
+ethash_return_value_t ethash_light_compute(
+	ethash_light_t light,
+	ethash_h256_t const header_hash,
+	uint64_t nonce
+)
+{
+	uint64_t full_size = ethash_get_datasize(light->block_number);
+	return ethash_light_compute_internal(light, full_size, header_hash, nonce);
+}
+
+ethash_return_value_t ethash_full_compute(
+	ethash_full_t full,
+	ethash_h256_t const header_hash,
+	uint64_t nonce
+)
+{
+	ethash_return_value_t ret;
+	ret.success = true;
+	if (!ethash_hash(
+		&ret,
+		(node const*)full->data,
+		NULL,
+		full->file_size,
+		header_hash,
+		nonce)) {
+		ret.success = false;
+	}
+	return ret;
+}
+
+void const* ethash_full_dag(ethash_full_t full)
+{
+	return full->data;
+}
+
+uint64_t ethash_full_dag_size(ethash_full_t full)
+{
+	return full->file_size;
+}

src/3rdparty/libethash/ethash_internal.h

@@ -0,0 +1,199 @@
+#pragma once
+#include "endian.h"
+#include "ethash.h"
+#include <stdio.h>
+
+#define ENABLE_SSE 0
+
+#if defined(_M_X64) && ENABLE_SSE
+#include <smmintrin.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// compile time settings
+#define NODE_WORDS (64/4)
+#define MIX_WORDS (ETHASH_MIX_BYTES/4)
+#define MIX_NODES (MIX_WORDS / NODE_WORDS)
+#include <stdint.h>
+
+typedef union node {
+	uint8_t bytes[NODE_WORDS * 4];
+	uint32_t words[NODE_WORDS];
+	uint64_t double_words[NODE_WORDS / 2];
+
+#if defined(_M_X64) && ENABLE_SSE
+	__m128i xmm[NODE_WORDS/4];
+#endif
+
+} node;
+
+static inline uint8_t ethash_h256_get(ethash_h256_t const* hash, unsigned int i)
+{
+	return hash->b[i];
+}
+
+static inline void ethash_h256_set(ethash_h256_t* hash, unsigned int i, uint8_t v)
+{
+	hash->b[i] = v;
+}
+
+static inline void ethash_h256_reset(ethash_h256_t* hash)
+{
+	memset(hash, 0, 32);
+}
+
+// Returns if hash is less than or equal to boundary (2^256/difficulty)
+static inline bool ethash_check_difficulty(
+	ethash_h256_t const* hash,
+	ethash_h256_t const* boundary
+)
+{
+	// Boundary is big endian
+	for (int i = 0; i < 32; i++) {
+		if (ethash_h256_get(hash, i) == ethash_h256_get(boundary, i)) {
+			continue;
+		}
+		return ethash_h256_get(hash, i) < ethash_h256_get(boundary, i);
+	}
+	return true;
+}
+
+/**
+ *  Difficulty quick check for POW preverification
+ *
+ * @param header_hash      The hash of the header
+ * @param nonce            The block's nonce
+ * @param mix_hash         The mix digest hash
+ * @param boundary         The boundary is defined as (2^256 / difficulty)
+ * @return                 true for succesful pre-verification and false otherwise
+ */
+bool ethash_quick_check_difficulty(
+	ethash_h256_t const* header_hash,
+	uint64_t const nonce,
+	ethash_h256_t const* mix_hash,
+	ethash_h256_t const* boundary
+);
+
+struct ethash_light {
+	void* cache;
+	uint64_t cache_size;
+	uint64_t block_number;
+
+	// Used for fast division
+	uint32_t num_parent_nodes;
+	uint32_t reciprocal;
+	uint32_t increment;
+	uint32_t shift;
+};
+
+/**
+ * Allocate and initialize a new ethash_light handler. Internal version
+ *
+ * @param cache_size    The size of the cache in bytes
+ * @param seed          Block seedhash to be used during the computation of the
+ *                      cache nodes
+ * @return              Newly allocated ethash_light handler or NULL in case of
+ *                      ERRNOMEM or invalid parameters used for @ref ethash_compute_cache_nodes()
+ */
+ethash_light_t ethash_light_new_internal(uint64_t cache_size, ethash_h256_t const* seed);
+
+/**
+ * Calculate the light client data. Internal version.
+ *
+ * @param light          The light client handler
+ * @param full_size      The size of the full data in bytes.
+ * @param header_hash    The header hash to pack into the mix
+ * @param nonce          The nonce to pack into the mix
+ * @return               The resulting hash.
+ */
+ethash_return_value_t ethash_light_compute_internal(
+	ethash_light_t light,
+	uint64_t full_size,
+	ethash_h256_t const header_hash,
+	uint64_t nonce
+);
+
+struct ethash_full {
+	FILE* file;
+	uint64_t file_size;
+	node* data;
+};
+
+/**
+ * Allocate and initialize a new ethash_full handler. Internal version.
+ *
+ * @param dirname        The directory in which to put the DAG file.
+ * @param seedhash       The seed hash of the block. Used in the DAG file naming.
+ * @param full_size      The size of the full data in bytes.
+ * @param cache          A cache object to use that was allocated with @ref ethash_cache_new().
+ *                       Iff this function succeeds the ethash_full_t will take memory
+ *                       memory ownership of the cache and free it at deletion. If
+ *                       not then the user still has to handle freeing of the cache himself.
+ * @param callback       A callback function with signature of @ref ethash_callback_t
+ *                       It accepts an unsigned with which a progress of DAG calculation
+ *                       can be displayed. If all goes well the callback should return 0.
+ *                       If a non-zero value is returned then DAG generation will stop.
+ * @return               Newly allocated ethash_full handler or NULL in case of
+ *                       ERRNOMEM or invalid parameters used for @ref ethash_compute_full_data()
+ */
+ethash_full_t ethash_full_new_internal(
+	char const* dirname,
+	ethash_h256_t const seed_hash,
+	uint64_t full_size,
+	ethash_light_t const light,
+	ethash_callback_t callback
+);
+
+void ethash_calculate_dag_item(
+	node* const ret,
+	uint32_t node_index,
+	uint32_t num_parents,
+	ethash_light_t const cache
+);
+
+void ethash_calculate_dag_item_opt(
+	node* const ret,
+	uint32_t node_index,
+	uint32_t num_parents,
+	ethash_light_t const cache
+);
+
+void ethash_calculate_dag_item4_opt(
+	node* ret,
+	uint32_t node_index,
+	uint32_t num_parents,
+	ethash_light_t const cache
+);
+
+void ethash_quick_hash(
+	ethash_h256_t* return_hash,
+	ethash_h256_t const* header_hash,
+	const uint64_t nonce,
+	ethash_h256_t const* mix_hash
+);
+
+uint64_t ethash_get_datasize(uint64_t const block_number);
+uint64_t ethash_get_cachesize(uint64_t const block_number);
+
+/**
+ * Compute the memory data for a full node's memory
+ *
+ * @param mem         A pointer to an ethash full's memory
+ * @param full_size   The size of the full data in bytes
+ * @param cache       A cache object to use in the calculation
+ * @param callback    The callback function. Check @ref ethash_full_new() for details.
+ * @return            true if all went fine and false for invalid parameters
+ */
+bool ethash_compute_full_data(
+	void* mem,
+	uint64_t full_size,
+	ethash_light_t const light,
+	ethash_callback_t callback
+);
+
+#ifdef __cplusplus
+}
+#endif

src/3rdparty/libethash/fnv.h

@@ -0,0 +1,42 @@
+/*
+  This file is part of cpp-ethereum.
+
+  cpp-ethereum is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  cpp-ethereum is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file fnv.h
+* @author Matthew Wampler-Doty <negacthulhu@gmail.com>
+* @date 2015
+*/
+
+#pragma once
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define FNV_PRIME 0x01000193
+
+/* The FNV-1 spec multiplies the prime with the input one byte (octet) in turn.
+   We instead multiply it with the full 32-bit input.
+   This gives a different result compared to a canonical FNV-1 implementation.
+*/
+static inline uint32_t fnv_hash(uint32_t const x, uint32_t const y)
+{
+	return x * FNV_PRIME ^ y;
+}
+
+#ifdef __cplusplus
+}
+#endif

src/3rdparty/libethash/keccakf800.c

@@ -0,0 +1,253 @@
+/* ethash: C/C++ implementation of Ethash, the Ethereum Proof of Work algorithm.
+ * Copyright 2018-2019 Pawel Bylica.
+ * Licensed under the Apache License, Version 2.0.
+ */
+
+#include <stdint.h>
+
+static uint32_t rol(uint32_t x, unsigned s)
+{
+    return (x << s) | (x >> (32 - s));
+}
+
+static const uint32_t round_constants[22] = {
+    0x00000001,
+    0x00008082,
+    0x0000808A,
+    0x80008000,
+    0x0000808B,
+    0x80000001,
+    0x80008081,
+    0x00008009,
+    0x0000008A,
+    0x00000088,
+    0x80008009,
+    0x8000000A,
+    0x8000808B,
+    0x0000008B,
+    0x00008089,
+    0x00008003,
+    0x00008002,
+    0x00000080,
+    0x0000800A,
+    0x8000000A,
+    0x80008081,
+    0x00008080,
+};
+
+void ethash_keccakf800(uint32_t state[25])
+{
+    /* The implementation directly translated from ethash_keccakf1600. */
+
+    int round;
+
+    uint32_t Aba, Abe, Abi, Abo, Abu;
+    uint32_t Aga, Age, Agi, Ago, Agu;
+    uint32_t Aka, Ake, Aki, Ako, Aku;
+    uint32_t Ama, Ame, Ami, Amo, Amu;
+    uint32_t Asa, Ase, Asi, Aso, Asu;
+
+    uint32_t Eba, Ebe, Ebi, Ebo, Ebu;
+    uint32_t Ega, Ege, Egi, Ego, Egu;
+    uint32_t Eka, Eke, Eki, Eko, Eku;
+    uint32_t Ema, Eme, Emi, Emo, Emu;
+    uint32_t Esa, Ese, Esi, Eso, Esu;
+
+    uint32_t Ba, Be, Bi, Bo, Bu;
+
+    uint32_t Da, De, Di, Do, Du;
+
+    Aba = state[0];
+    Abe = state[1];
+    Abi = state[2];
+    Abo = state[3];
+    Abu = state[4];
+    Aga = state[5];
+    Age = state[6];
+    Agi = state[7];
+    Ago = state[8];
+    Agu = state[9];
+    Aka = state[10];
+    Ake = state[11];
+    Aki = state[12];
+    Ako = state[13];
+    Aku = state[14];
+    Ama = state[15];
+    Ame = state[16];
+    Ami = state[17];
+    Amo = state[18];
+    Amu = state[19];
+    Asa = state[20];
+    Ase = state[21];
+    Asi = state[22];
+    Aso = state[23];
+    Asu = state[24];
+
+    for (round = 0; round < 22; round += 2)
+    {
+        /* Round (round + 0): Axx -> Exx */
+
+        Ba = Aba ^ Aga ^ Aka ^ Ama ^ Asa;
+        Be = Abe ^ Age ^ Ake ^ Ame ^ Ase;
+        Bi = Abi ^ Agi ^ Aki ^ Ami ^ Asi;
+        Bo = Abo ^ Ago ^ Ako ^ Amo ^ Aso;
+        Bu = Abu ^ Agu ^ Aku ^ Amu ^ Asu;
+
+        Da = Bu ^ rol(Be, 1);
+        De = Ba ^ rol(Bi, 1);
+        Di = Be ^ rol(Bo, 1);
+        Do = Bi ^ rol(Bu, 1);
+        Du = Bo ^ rol(Ba, 1);
+
+        Ba = Aba ^ Da;
+        Be = rol(Age ^ De, 12);
+        Bi = rol(Aki ^ Di, 11);
+        Bo = rol(Amo ^ Do, 21);
+        Bu = rol(Asu ^ Du, 14);
+        Eba = Ba ^ (~Be & Bi) ^ round_constants[round];
+        Ebe = Be ^ (~Bi & Bo);
+        Ebi = Bi ^ (~Bo & Bu);
+        Ebo = Bo ^ (~Bu & Ba);
+        Ebu = Bu ^ (~Ba & Be);
+
+        Ba = rol(Abo ^ Do, 28);
+        Be = rol(Agu ^ Du, 20);
+        Bi = rol(Aka ^ Da, 3);
+        Bo = rol(Ame ^ De, 13);
+        Bu = rol(Asi ^ Di, 29);
+        Ega = Ba ^ (~Be & Bi);
+        Ege = Be ^ (~Bi & Bo);
+        Egi = Bi ^ (~Bo & Bu);
+        Ego = Bo ^ (~Bu & Ba);
+        Egu = Bu ^ (~Ba & Be);
+
+        Ba = rol(Abe ^ De, 1);
+        Be = rol(Agi ^ Di, 6);
+        Bi = rol(Ako ^ Do, 25);
+        Bo = rol(Amu ^ Du, 8);
+        Bu = rol(Asa ^ Da, 18);
+        Eka = Ba ^ (~Be & Bi);
+        Eke = Be ^ (~Bi & Bo);
+        Eki = Bi ^ (~Bo & Bu);
+        Eko = Bo ^ (~Bu & Ba);
+        Eku = Bu ^ (~Ba & Be);
+
+        Ba = rol(Abu ^ Du, 27);
+        Be = rol(Aga ^ Da, 4);
+        Bi = rol(Ake ^ De, 10);
+        Bo = rol(Ami ^ Di, 15);
+        Bu = rol(Aso ^ Do, 24);
+        Ema = Ba ^ (~Be & Bi);
+        Eme = Be ^ (~Bi & Bo);
+        Emi = Bi ^ (~Bo & Bu);
+        Emo = Bo ^ (~Bu & Ba);
+        Emu = Bu ^ (~Ba & Be);
+
+        Ba = rol(Abi ^ Di, 30);
+        Be = rol(Ago ^ Do, 23);
+        Bi = rol(Aku ^ Du, 7);
+        Bo = rol(Ama ^ Da, 9);
+        Bu = rol(Ase ^ De, 2);
+        Esa = Ba ^ (~Be & Bi);
+        Ese = Be ^ (~Bi & Bo);
+        Esi = Bi ^ (~Bo & Bu);
+        Eso = Bo ^ (~Bu & Ba);
+        Esu = Bu ^ (~Ba & Be);
+
+
+        /* Round (round + 1): Exx -> Axx */
+
+        Ba = Eba ^ Ega ^ Eka ^ Ema ^ Esa;
+        Be = Ebe ^ Ege ^ Eke ^ Eme ^ Ese;
+        Bi = Ebi ^ Egi ^ Eki ^ Emi ^ Esi;
+        Bo = Ebo ^ Ego ^ Eko ^ Emo ^ Eso;
+        Bu = Ebu ^ Egu ^ Eku ^ Emu ^ Esu;
+
+        Da = Bu ^ rol(Be, 1);
+        De = Ba ^ rol(Bi, 1);
+        Di = Be ^ rol(Bo, 1);
+        Do = Bi ^ rol(Bu, 1);
+        Du = Bo ^ rol(Ba, 1);
+
+        Ba = Eba ^ Da;
+        Be = rol(Ege ^ De, 12);
+        Bi = rol(Eki ^ Di, 11);
+        Bo = rol(Emo ^ Do, 21);
+        Bu = rol(Esu ^ Du, 14);
+        Aba = Ba ^ (~Be & Bi) ^ round_constants[round + 1];
+        Abe = Be ^ (~Bi & Bo);
+        Abi = Bi ^ (~Bo & Bu);
+        Abo = Bo ^ (~Bu & Ba);
+        Abu = Bu ^ (~Ba & Be);
+
+        Ba = rol(Ebo ^ Do, 28);
+        Be = rol(Egu ^ Du, 20);
+        Bi = rol(Eka ^ Da, 3);
+        Bo = rol(Eme ^ De, 13);
+        Bu = rol(Esi ^ Di, 29);
+        Aga = Ba ^ (~Be & Bi);
+        Age = Be ^ (~Bi & Bo);
+        Agi = Bi ^ (~Bo & Bu);
+        Ago = Bo ^ (~Bu & Ba);
+        Agu = Bu ^ (~Ba & Be);
+
+        Ba = rol(Ebe ^ De, 1);
+        Be = rol(Egi ^ Di, 6);
+        Bi = rol(Eko ^ Do, 25);
+        Bo = rol(Emu ^ Du, 8);
+        Bu = rol(Esa ^ Da, 18);
+        Aka = Ba ^ (~Be & Bi);
+        Ake = Be ^ (~Bi & Bo);
+        Aki = Bi ^ (~Bo & Bu);
+        Ako = Bo ^ (~Bu & Ba);
+        Aku = Bu ^ (~Ba & Be);
+
+        Ba = rol(Ebu ^ Du, 27);
+        Be = rol(Ega ^ Da, 4);
+        Bi = rol(Eke ^ De, 10);
+        Bo = rol(Emi ^ Di, 15);
+        Bu = rol(Eso ^ Do, 24);
+        Ama = Ba ^ (~Be & Bi);
+        Ame = Be ^ (~Bi & Bo);
+        Ami = Bi ^ (~Bo & Bu);
+        Amo = Bo ^ (~Bu & Ba);
+        Amu = Bu ^ (~Ba & Be);
+
+        Ba = rol(Ebi ^ Di, 30);
+        Be = rol(Ego ^ Do, 23);
+        Bi = rol(Eku ^ Du, 7);
+        Bo = rol(Ema ^ Da, 9);
+        Bu = rol(Ese ^ De, 2);
+        Asa = Ba ^ (~Be & Bi);
+        Ase = Be ^ (~Bi & Bo);
+        Asi = Bi ^ (~Bo & Bu);
+        Aso = Bo ^ (~Bu & Ba);
+        Asu = Bu ^ (~Ba & Be);
+    }
+
+    state[0] = Aba;
+    state[1] = Abe;
+    state[2] = Abi;
+    state[3] = Abo;
+    state[4] = Abu;
+    state[5] = Aga;
+    state[6] = Age;
+    state[7] = Agi;
+    state[8] = Ago;
+    state[9] = Agu;
+    state[10] = Aka;
+    state[11] = Ake;
+    state[12] = Aki;
+    state[13] = Ako;
+    state[14] = Aku;
+    state[15] = Ama;
+    state[16] = Ame;
+    state[17] = Ami;
+    state[18] = Amo;
+    state[19] = Amu;
+    state[20] = Asa;
+    state[21] = Ase;
+    state[22] = Asi;
+    state[23] = Aso;
+    state[24] = Asu;
+}

src/App.cpp

@@ -32,12 +32,11 @@
 #include "backend/cpu/Cpu.h"
 #include "base/io/Console.h"
 #include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
 #include "base/io/Signals.h"
 #include "base/kernel/Platform.h"
 #include "core/config/Config.h"
 #include "core/Controller.h"
-#include "core/Miner.h"
-#include "net/Network.h"
 #include "Summary.h"
 #include "version.h"
 
@@ -85,7 +84,7 @@ int xmrig::App::exec()
     Summary::print(m_controller);
 
     if (m_controller->config()->isDryRun()) {
-        LOG_NOTICE("OK");
+        LOG_NOTICE("%s " WHITE_BOLD("OK"), Tags::config());
 
         return 0;
     }
@@ -102,11 +101,11 @@ int xmrig::App::exec()
 void xmrig::App::onConsoleCommand(char command)
 {
     if (command == 3) {
-        LOG_WARN("Ctrl+C received, exiting");
+        LOG_WARN("%s " YELLOW("Ctrl+C received, exiting"), Tags::signal());
         close();
     }
     else {
-        m_controller->miner()->execCommand(command);
+        m_controller->execCommand(command);
     }
 }
 
@@ -116,15 +115,15 @@ void xmrig::App::onSignal(int signum)
     switch (signum)
     {
     case SIGHUP:
-        LOG_WARN("SIGHUP received, exiting");
+        LOG_WARN("%s " YELLOW("SIGHUP received, exiting"), Tags::signal());
         break;
 
     case SIGTERM:
-        LOG_WARN("SIGTERM received, exiting");
+        LOG_WARN("%s " YELLOW("SIGTERM received, exiting"), Tags::signal());
         break;
 
     case SIGINT:
-        LOG_WARN("SIGINT received, exiting");
+        LOG_WARN("%s " YELLOW("SIGINT received, exiting"), Tags::signal());
         break;
 
     default:

src/Summary.cpp

@@ -161,11 +161,14 @@ static void print_commands(Config *)
 {
     if (Log::isColors()) {
         Log::print(GREEN_BOLD(" * ") WHITE_BOLD("COMMANDS     ") MAGENTA_BG(WHITE_BOLD_S "h") WHITE_BOLD("ashrate, ")
-                                                                     MAGENTA_BG(WHITE_BOLD_S "p") WHITE_BOLD("ause, ")
-                                                                     MAGENTA_BG(WHITE_BOLD_S "r") WHITE_BOLD("esume"));
+                                                                 MAGENTA_BG(WHITE_BOLD_S "p") WHITE_BOLD("ause, ")
+                                                                 MAGENTA_BG(WHITE_BOLD_S "r") WHITE_BOLD("esume, ")
+                                                                 WHITE_BOLD("re") MAGENTA_BG(WHITE_BOLD_S "s") WHITE_BOLD("ults, ")
+                                                                 MAGENTA_BG(WHITE_BOLD_S "c") WHITE_BOLD("onnection")
+                   );
     }
     else {
-        Log::print(" * COMMANDS     'h' hashrate, 'p' pause, 'r' resume");
+        Log::print(" * COMMANDS     'h' hashrate, 'p' pause, 'r' resume, 's' results, 'c' connection");
     }
 }
 

src/backend/common/Hashrate.cpp

@@ -39,7 +39,7 @@
 inline static const char *format(double h, char *buf, size_t size)
 {
     if (std::isnormal(h)) {
-        snprintf(buf, size, "%03.1f", h);
+        snprintf(buf, size, (h < 100.0) ? "%04.2f" : "%03.1f", h);
         return buf;
     }
 
@@ -48,13 +48,13 @@ inline static const char *format(double h, char *buf, size_t size)
 
 
 xmrig::Hashrate::Hashrate(size_t threads) :
-    m_threads(threads)
+    m_threads(threads + 1)
 {
-    m_counts     = new uint64_t*[threads];
-    m_timestamps = new uint64_t*[threads];
-    m_top        = new uint32_t[threads];
+    m_counts     = new uint64_t*[m_threads];
+    m_timestamps = new uint64_t*[m_threads];
+    m_top        = new uint32_t[m_threads];
 
-    for (size_t i = 0; i < threads; i++) {
+    for (size_t i = 0; i < m_threads; i++) {
         m_counts[i]     = new uint64_t[kBucketSize]();
         m_timestamps[i] = new uint64_t[kBucketSize]();
         m_top[i]        = 0;
@@ -77,17 +77,8 @@ xmrig::Hashrate::~Hashrate()
 
 double xmrig::Hashrate::calc(size_t ms) const
 {
-    double result = 0.0;
-    double data;
-
-    for (size_t i = 0; i < m_threads; ++i) {
-        data = calc(i, ms);
-        if (std::isnormal(data)) {
-            result += data;
-        }
-    }
-
-    return result;
+    const double data = calc(0, ms);
+    return std::isnormal(data) ? data : 0.0;
 }
 
 
@@ -102,7 +93,7 @@ double xmrig::Hashrate::calc(size_t threadId, size_t ms) const
     uint64_t earliestStamp     = 0;
     bool haveFullSet           = false;
 
-    const uint64_t timeStampLimit = xmrig::Chrono::highResolutionMSecs() - ms;
+    const uint64_t timeStampLimit = xmrig::Chrono::steadyMSecs() - ms;
     uint64_t* timestamps = m_timestamps[threadId];
     uint64_t* counts = m_counts[threadId];
 
@@ -183,9 +174,9 @@ rapidjson::Value xmrig::Hashrate::toJSON(size_t threadId, rapidjson::Document &d
     auto &allocator = doc.GetAllocator();
 
     Value out(kArrayType);
-    out.PushBack(normalize(calc(threadId, ShortInterval)),  allocator);
-    out.PushBack(normalize(calc(threadId, MediumInterval)), allocator);
-    out.PushBack(normalize(calc(threadId, LargeInterval)),  allocator);
+    out.PushBack(normalize(calc(threadId + 1, ShortInterval)),  allocator);
+    out.PushBack(normalize(calc(threadId + 1, MediumInterval)), allocator);
+    out.PushBack(normalize(calc(threadId + 1, LargeInterval)),  allocator);
 
     return out;
 }

src/backend/common/HashrateInterpolator.cpp

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -23,22 +23,41 @@
  */
 
 
-#include "backend/opencl/kernels/Cn00RyoKernel.h"
-#include "backend/opencl/wrappers/OclLib.h"
+#include "backend/common/HashrateInterpolator.h"
 
 
-void xmrig::Cn00RyoKernel::enqueue(cl_command_queue queue, size_t threads)
+uint64_t xmrig::HashrateInterpolator::interpolate(uint64_t timeStamp) const
 {
-    const size_t gthreads = threads * 64;
-    const size_t lthreads = 64;
+    timeStamp -= LagMS;
 
-    enqueueNDRange(queue, 1, nullptr, &gthreads, &lthreads);
+    std::lock_guard<std::mutex> l(m_lock);
+
+    const size_t N = m_data.size();
+
+    if (N < 2) {
+        return 0;
+    }
+
+    for (size_t i = 0; i < N - 1; ++i) {
+        const auto& a = m_data[i];
+        const auto& b = m_data[i + 1];
+
+        if (a.second <= timeStamp && timeStamp <= b.second) {
+            return a.first + static_cast<int64_t>(b.first - a.first) * (timeStamp - a.second) / (b.second - a.second);
+        }
+    }
+
+    return 0;
 }
 
-
-// __kernel void cn00(__global int *Scratchpad, __global ulong *states)
-void xmrig::Cn00RyoKernel::setArgs(cl_mem scratchpads, cl_mem states)
+void xmrig::HashrateInterpolator::addDataPoint(uint64_t count, uint64_t timeStamp)
 {
-    setArg(0, sizeof(cl_mem), &scratchpads);
-    setArg(1, sizeof(cl_mem), &states);
+    std::lock_guard<std::mutex> l(m_lock);
+
+    // Clean up old data
+    while (!m_data.empty() && (timeStamp - m_data.front().second > LagMS * 2)) {
+        m_data.pop_front();
+    }
+
+    m_data.emplace_back(count, timeStamp);
 }

src/backend/common/HashrateInterpolator.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -22,28 +22,36 @@
  *   along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef XMRIG_CN2RYOKERNEL_H
-#define XMRIG_CN2RYOKERNEL_H
+#ifndef XMRIG_HASHRATE_INTERPOLATOR_H
+#define XMRIG_HASHRATE_INTERPOLATOR_H
 
 
-#include "backend/opencl/wrappers/OclKernel.h"
+#include <mutex>
+#include <deque>
+#include <utility>
 
 
 namespace xmrig {
 
 
-class Cn2RyoKernel : public OclKernel
+class HashrateInterpolator
 {
 public:
-    inline Cn2RyoKernel(cl_program program) : OclKernel(program, "cn2") {}
+    enum {
+        LagMS = 4000,
+    };
 
-    void enqueue(cl_command_queue queue, uint32_t nonce, size_t threads);
-    void setArgs(cl_mem scratchpads, cl_mem states, cl_mem output, uint32_t threads);
-    void setTarget(uint64_t target);
+    uint64_t interpolate(uint64_t timeStamp) const;
+    void addDataPoint(uint64_t count, uint64_t timeStamp);
+
+private:
+    // Buffer of hashrate counters, used for linear interpolation of past data
+    mutable std::mutex m_lock;
+    std::deque<std::pair<uint64_t, uint64_t>> m_data;
 };
 
 
 } // namespace xmrig
 
 
-#endif /* XMRIG_CN2RYOKERNEL_H */
+#endif /* XMRIG_HASHRATE_INTERPOLATOR_H */

src/backend/common/Tags.h

@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -23,8 +23,8 @@
  *   along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef XMRIG_TAGS_H
-#define XMRIG_TAGS_H
+#ifndef XMRIG_BACKEND_TAGS_H
+#define XMRIG_BACKEND_TAGS_H
 
 
 #include <cstdint>
@@ -35,7 +35,6 @@ namespace xmrig {
 
 const char *backend_tag(uint32_t backend);
 const char *cpu_tag();
-const char *net_tag();
 
 
 #ifdef XMRIG_FEATURE_OPENCL
@@ -48,13 +47,7 @@ const char *cuda_tag();
 #endif
 
 
-
-#ifdef XMRIG_ALGO_RANDOMX
-const char *rx_tag();
-#endif
-
-
 } // namespace xmrig
 
 
-#endif /* XMRIG_TAGS_H */
+#endif /* XMRIG_BACKEND_TAGS_H */

src/backend/common/Worker.cpp

@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -32,9 +32,7 @@
 
 xmrig::Worker::Worker(size_t id, int64_t affinity, int priority) :
     m_affinity(affinity),
-    m_id(id),
-    m_hashCount(0),
-    m_timestamp(0)
+    m_id(id)
 {
     m_node = VirtualMemory::bindToNUMANode(affinity);
 
@@ -45,6 +43,23 @@ xmrig::Worker::Worker(size_t id, int64_t affinity, int priority) :
 
 void xmrig::Worker::storeStats()
 {
-    m_hashCount.store(m_count, std::memory_order_relaxed);
-    m_timestamp.store(Chrono::highResolutionMSecs(), std::memory_order_relaxed);
+    // Get index which is unused now
+    const uint32_t index = m_index.load(std::memory_order_relaxed) ^ 1;
+
+    // Fill in the data for that index
+    m_hashCount[index] = m_count;
+    m_timestamp[index] = Chrono::steadyMSecs();
+
+    // Switch to that index
+    // All data will be in memory by the time it completes thanks to std::memory_order_seq_cst
+    m_index.fetch_xor(1, std::memory_order_seq_cst);
+}
+
+
+void xmrig::Worker::getHashrateData(uint64_t& hashCount, uint64_t& timeStamp) const
+{
+    const uint32_t index = m_index.load(std::memory_order_relaxed);
+
+    hashCount = m_hashCount[index];
+    timeStamp = m_timestamp[index];
 }

src/backend/common/Worker.h

@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -28,7 +28,6 @@
 
 
 #include <atomic>
-#include <cstdint>
 
 
 #include "backend/common/interfaces/IWorker.h"
@@ -42,20 +41,23 @@ class Worker : public IWorker
 public:
     Worker(size_t id, int64_t affinity, int priority);
 
-    inline const VirtualMemory *memory() const override { return nullptr; }
-    inline size_t id() const override                   { return m_id; }
-    inline uint64_t hashCount() const override          { return m_hashCount.load(std::memory_order_relaxed); }
-    inline uint64_t timestamp() const override          { return m_timestamp.load(std::memory_order_relaxed); }
+    inline const VirtualMemory *memory() const override   { return nullptr; }
+    inline size_t id() const override                     { return m_id; }
+    inline uint64_t rawHashes() const override            { return m_count; }
+    inline void jobEarlyNotification(const Job&) override {}
+
+    void getHashrateData(uint64_t& hashCount, uint64_t& timeStamp) const override;
 
 protected:
     void storeStats();
 
     const int64_t m_affinity;
     const size_t m_id;
-    std::atomic<uint64_t> m_hashCount;
-    std::atomic<uint64_t> m_timestamp;
-    uint32_t m_node     = 0;
-    uint64_t m_count    = 0;
+    std::atomic<uint32_t> m_index   = {};
+    uint32_t m_node                 = 0;
+    uint64_t m_count                = 0;
+    uint64_t m_hashCount[2]         = {};
+    uint64_t m_timestamp[2]         = {};
 };
 
 

src/backend/common/WorkerJob.h

@@ -41,7 +41,7 @@ class WorkerJob
 {
 public:
     inline const Job &currentJob() const    { return m_jobs[index()]; }
-    inline uint32_t *nonce(size_t i = 0)    { return reinterpret_cast<uint32_t*>(blob() + (i * currentJob().size()) + 39); }
+    inline uint32_t *nonce(size_t i = 0)    { return reinterpret_cast<uint32_t*>(blob() + (i * currentJob().size()) + nonceOffset()); }
     inline uint64_t sequence() const        { return m_sequence; }
     inline uint8_t *blob()                  { return m_blobs[index()]; }
     inline uint8_t index() const            { return m_index; }
@@ -66,14 +66,12 @@ public:
 
     inline bool nextRound(uint32_t rounds, uint32_t roundSize)
     {
-        bool ok = true;
         m_rounds[index()]++;
 
-        if ((m_rounds[index()] % rounds) == 0) {
+        if ((m_rounds[index()] & (rounds - 1)) == 0) {
             for (size_t i = 0; i < N; ++i) {
-                *nonce(i) = Nonce::next(index(), *nonce(i), rounds * roundSize, currentJob().isNicehash(), &ok);
-                if (!ok) {
-                    break;
+                if (!Nonce::next(index(), nonce(i), rounds * roundSize, nonceMask())) {
+                    return false;
                 }
             }
         }
@@ -83,23 +81,28 @@ public:
             }
         }
 
-        return ok;
+        return true;
     }
 
 
 private:
+    inline int32_t nonceOffset() const  { return currentJob().nonceOffset(); }
+    inline size_t nonceSize() const     { return currentJob().nonceSize(); }
+    inline uint64_t nonceMask() const     { return m_nonce_mask[index()]; }
+
     inline void save(const Job &job, uint32_t reserveCount, Nonce::Backend backend)
     {
         m_index           = job.index();
         const size_t size = job.size();
         m_jobs[index()]   = job;
         m_rounds[index()] = 0;
+        m_nonce_mask[index()] = job.nonceMask();
 
         m_jobs[index()].setBackend(backend);
 
         for (size_t i = 0; i < N; ++i) {
             memcpy(m_blobs[index()] + (i * size), job.blob(), size);
-            *nonce(i) = Nonce::next(index(), *nonce(i), reserveCount, job.isNicehash());
+            Nonce::next(index(), nonce(i), reserveCount, nonceMask());
         }
     }
 
@@ -107,6 +110,7 @@ private:
     alignas(16) uint8_t m_blobs[2][Job::kMaxBlobSize * N]{};
     Job m_jobs[2];
     uint32_t m_rounds[2] = { 0, 0 };
+    uint64_t m_nonce_mask[2];
     uint64_t m_sequence  = 0;
     uint8_t m_index      = 0;
 };
@@ -115,24 +119,30 @@ private:
 template<>
 inline uint32_t *xmrig::WorkerJob<1>::nonce(size_t)
 {
-    return reinterpret_cast<uint32_t*>(blob() + 39);
+    return reinterpret_cast<uint32_t*>(blob() + nonceOffset());
 }
 
 
 template<>
 inline bool xmrig::WorkerJob<1>::nextRound(uint32_t rounds, uint32_t roundSize)
 {
-    bool ok = true;
     m_rounds[index()]++;
 
-    if ((m_rounds[index()] % rounds) == 0) {
-        *nonce() = Nonce::next(index(), *nonce(), rounds * roundSize, currentJob().isNicehash(), &ok);
+    uint32_t* n = nonce();
+
+    if ((m_rounds[index()] & (rounds - 1)) == 0) {
+        if (!Nonce::next(index(), n, rounds * roundSize, nonceMask())) {
+            return false;
+        }
+        if (nonceSize() == sizeof(uint64_t)) {
+            m_jobs[index()].nonce()[1] = n[1];
+        }
     }
     else {
-        *nonce() += roundSize;
+        *n += roundSize;
     }
 
-    return ok;
+    return true;
 }
 
 
@@ -142,11 +152,12 @@ inline void xmrig::WorkerJob<1>::save(const Job &job, uint32_t reserveCount, Non
     m_index           = job.index();
     m_jobs[index()]   = job;
     m_rounds[index()] = 0;
+    m_nonce_mask[index()] = job.nonceMask();
 
     m_jobs[index()].setBackend(backend);
 
     memcpy(blob(), job.blob(), job.size());
-    *nonce() = Nonce::next(index(), *nonce(), reserveCount, currentJob().isNicehash());
+    Nonce::next(index(), nonce(), reserveCount, nonceMask());
 }
 
 

src/backend/common/Workers.cpp

@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -29,7 +29,11 @@
 #include "backend/common/Workers.h"
 #include "backend/cpu/CpuWorker.h"
 #include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
+#include "base/net/stratum/Pool.h"
+#include "base/tools/Chrono.h"
 #include "base/tools/Object.h"
+#include "core/Miner.h"
 
 
 #ifdef XMRIG_FEATURE_OPENCL
@@ -42,6 +46,11 @@
 #endif
 
 
+#ifdef XMRIG_FEATURE_BENCHMARK
+#   include "backend/common/benchmark/Benchmark.h"
+#endif
+
+
 namespace xmrig {
 
 
@@ -51,17 +60,12 @@ public:
     XMRIG_DISABLE_COPY_MOVE(WorkersPrivate)
 
 
-    WorkersPrivate() = default;
+    WorkersPrivate()    = default;
+    ~WorkersPrivate()   = default;
 
-
-    inline ~WorkersPrivate()
-    {
-        delete hashrate;
-    }
-
-
-    Hashrate *hashrate = nullptr;
-    IBackend *backend  = nullptr;
+    IBackend *backend   = nullptr;
+    std::shared_ptr<Benchmark> benchmark;
+    std::shared_ptr<Hashrate> hashrate;
 };
 
 
@@ -83,10 +87,64 @@ xmrig::Workers<T>::~Workers()
 }
 
 
+template<class T>
+static void getHashrateData(xmrig::IWorker* worker, uint64_t& hashCount, uint64_t& timeStamp)
+{
+    worker->getHashrateData(hashCount, timeStamp);
+}
+
+
+template<>
+void getHashrateData<xmrig::CpuLaunchData>(xmrig::IWorker* worker, uint64_t& hashCount, uint64_t&)
+{
+    hashCount = worker->rawHashes();
+}
+
+
+template<class T>
+bool xmrig::Workers<T>::tick(uint64_t)
+{
+    if (!d_ptr->hashrate) {
+        return true;
+    }
+
+    uint64_t ts             = Chrono::steadyMSecs();
+    bool totalAvailable     = true;
+    uint64_t totalHashCount = 0;
+
+    for (Thread<T> *handle : m_workers) {
+        IWorker *worker = handle->worker();
+        if (worker) {
+            uint64_t hashCount;
+            getHashrateData<T>(worker, hashCount, ts);
+            d_ptr->hashrate->add(handle->id() + 1, hashCount, ts);
+
+            const uint64_t n = worker->rawHashes();
+            if (n == 0) {
+                totalAvailable = false;
+            }
+            totalHashCount += n;
+        }
+    }
+
+    if (totalAvailable) {
+        d_ptr->hashrate->add(0, totalHashCount, Chrono::steadyMSecs());
+    }
+
+#   ifdef XMRIG_FEATURE_BENCHMARK
+    if (d_ptr->benchmark && d_ptr->benchmark->finish(totalHashCount)) {
+        return false;
+    }
+#   endif
+
+    return true;
+}
+
+
 template<class T>
 const xmrig::Hashrate *xmrig::Workers<T>::hashrate() const
 {
-    return d_ptr->hashrate;
+    return d_ptr->hashrate.get();
 }
 
 
@@ -97,27 +155,6 @@ void xmrig::Workers<T>::setBackend(IBackend *backend)
 }
 
 
-template<class T>
-void xmrig::Workers<T>::start(const std::vector<T> &data)
-{
-    for (const T &item : data) {
-        m_workers.push_back(new Thread<T>(d_ptr->backend, m_workers.size(), item));
-    }
-
-    d_ptr->hashrate = new Hashrate(m_workers.size());
-    Nonce::touch(T::backend());
-
-    for (Thread<T> *worker : m_workers) {
-        worker->start(Workers<T>::onReady);
-
-        // This sleep is important for optimal caching!
-        // Threads must allocate scratchpads in order so that adjacent cores will use adjacent scratchpads
-        // Sub-optimal caching can result in up to 0.5% hashrate penalty
-        std::this_thread::sleep_for(std::chrono::milliseconds(20));
-    }
-}
-
-
 template<class T>
 void xmrig::Workers<T>::stop()
 {
@@ -130,26 +167,24 @@ void xmrig::Workers<T>::stop()
     m_workers.clear();
     Nonce::touch(T::backend());
 
-    delete d_ptr->hashrate;
-    d_ptr->hashrate = nullptr;
+    d_ptr->hashrate.reset();
 }
 
 
+#ifdef XMRIG_FEATURE_BENCHMARK
 template<class T>
-void xmrig::Workers<T>::tick(uint64_t)
+void xmrig::Workers<T>::start(const std::vector<T> &data, const std::shared_ptr<Benchmark> &benchmark)
 {
-    if (!d_ptr->hashrate) {
-        return;
+    if (!benchmark) {
+        return start(data, true);
     }
 
-    for (Thread<T> *handle : m_workers) {
-        if (!handle->worker()) {
-            continue;
-        }
+    start(data, false);
 
-        d_ptr->hashrate->add(handle->id(), handle->worker()->hashCount(), handle->worker()->timestamp());
-    }
+    d_ptr->benchmark = benchmark;
+    d_ptr->benchmark->start();
 }
+#endif
 
 
 template<class T>
@@ -183,6 +218,29 @@ void xmrig::Workers<T>::onReady(void *arg)
 }
 
 
+template<class T>
+void xmrig::Workers<T>::start(const std::vector<T> &data, bool sleep)
+{
+    for (const auto &item : data) {
+        m_workers.push_back(new Thread<T>(d_ptr->backend, m_workers.size(), item));
+    }
+
+    d_ptr->hashrate = std::make_shared<Hashrate>(m_workers.size());
+    Nonce::touch(T::backend());
+
+    for (auto worker : m_workers) {
+        worker->start(Workers<T>::onReady);
+
+        // This sleep is important for optimal caching!
+        // Threads must allocate scratchpads in order so that adjacent cores will use adjacent scratchpads
+        // Sub-optimal caching can result in up to 0.5% hashrate penalty
+        if (sleep) {
+            std::this_thread::sleep_for(std::chrono::milliseconds(20));
+        }
+    }
+}
+
+
 namespace xmrig {
 
 

src/backend/common/Workers.h

@@ -6,8 +6,8 @@
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -29,7 +29,6 @@
 
 #include "backend/common/Thread.h"
 #include "backend/cpu/CpuLaunchData.h"
-#include "base/tools/Object.h"
 
 
 #ifdef XMRIG_FEATURE_OPENCL
@@ -47,6 +46,8 @@ namespace xmrig {
 
 class Hashrate;
 class WorkersPrivate;
+class Job;
+class Benchmark;
 
 
 template<class T>
@@ -58,21 +59,40 @@ public:
     Workers();
     ~Workers();
 
+    inline void start(const std::vector<T> &data)   { start(data, true); }
+
+    bool tick(uint64_t ticks);
     const Hashrate *hashrate() const;
+    void jobEarlyNotification(const Job&);
     void setBackend(IBackend *backend);
-    void start(const std::vector<T> &data);
     void stop();
-    void tick(uint64_t ticks);
+
+#   ifdef XMRIG_FEATURE_BENCHMARK
+    void start(const std::vector<T> &data, const std::shared_ptr<Benchmark> &benchmark);
+#   endif
 
 private:
     static IWorker *create(Thread<T> *handle);
     static void onReady(void *arg);
 
+    void start(const std::vector<T> &data, bool sleep);
+
     std::vector<Thread<T> *> m_workers;
     WorkersPrivate *d_ptr;
 };
 
 
+template<class T>
+void xmrig::Workers<T>::jobEarlyNotification(const Job& job)
+{
+    for (Thread<T>* t : m_workers) {
+        if (t->worker()) {
+            t->worker()->jobEarlyNotification(job);
+        }
+    }
+}
+
+
 template<>
 IWorker *Workers<CpuLaunchData>::create(Thread<CpuLaunchData> *handle);
 extern template class Workers<CpuLaunchData>;

src/backend/common/benchmark/BenchState.cpp

@@ -0,0 +1,112 @@
+/* XMRig
+ * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "backend/common/benchmark/BenchState.h"
+#include "backend/common/benchmark/BenchState_test.h"
+#include "backend/common/interfaces/IBenchListener.h"
+#include "base/io/Async.h"
+#include "base/tools/Chrono.h"
+
+
+#include <algorithm>
+#include <cassert>
+#include <memory>
+#include <mutex>
+
+
+namespace xmrig {
+
+
+static bool done                        = false;
+static std::mutex mutex;
+static std::shared_ptr<Async> async;
+static uint32_t remaining               = 0;
+static uint64_t doneTime                = 0;
+static uint64_t result                  = 0;
+static uint64_t topDiff                 = 0;
+
+
+IBenchListener *BenchState::m_listener  = nullptr;
+uint32_t BenchState::m_size             = 0;
+
+
+} // namespace xmrig
+
+
+
+bool xmrig::BenchState::isDone()
+{
+    return xmrig::done;
+}
+
+
+uint64_t xmrig::BenchState::referenceHash(const Algorithm &algo, uint32_t size, uint32_t threads)
+{
+    uint64_t hash = 0;
+
+    try {
+        const auto &h = (threads == 1) ? hashCheck1T : hashCheck;
+        hash = h.at(algo).at(size);
+    } catch (const std::exception &ex) {}
+
+    return hash;
+}
+
+
+uint64_t xmrig::BenchState::start(size_t threads, const IBackend *backend)
+{
+    assert(m_listener != nullptr);
+
+    remaining = static_cast<uint32_t>(threads);
+
+    async = std::make_shared<Async>([] {
+        m_listener->onBenchDone(result, topDiff, doneTime);
+        async.reset();
+        xmrig::done = true;
+    });
+
+    const uint64_t ts = Chrono::steadyMSecs();
+    m_listener->onBenchReady(ts, remaining, backend);
+
+    return ts;
+}
+
+
+void xmrig::BenchState::destroy()
+{
+    xmrig::done = true;
+    async.reset();
+}
+
+
+void xmrig::BenchState::done(uint64_t data, uint64_t diff, uint64_t ts)
+{
+    assert(async && remaining > 0);
+
+    std::lock_guard<std::mutex> lock(mutex);
+
+    result ^= data;
+    doneTime = std::max(doneTime, ts);
+    topDiff  = std::max(topDiff, diff);
+    --remaining;
+
+    if (remaining == 0) {
+        async->send();
+    }
+}

src/backend/common/benchmark/BenchState.h

@@ -0,0 +1,57 @@
+/* XMRig
+ * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_BENCHSTATE_H
+#define XMRIG_BENCHSTATE_H
+
+
+#include <cstddef>
+#include <cstdint>
+
+
+namespace xmrig {
+
+
+class Algorithm;
+class IBackend;
+class IBenchListener;
+
+
+class BenchState
+{
+public:
+    static bool isDone();
+    static uint64_t referenceHash(const Algorithm &algo, uint32_t size, uint32_t threads);
+    static uint64_t start(size_t threads, const IBackend *backend);
+    static void destroy();
+    static void done(uint64_t data, uint64_t diff, uint64_t ts);
+
+    inline static uint32_t size()                               { return m_size; }
+    inline static void setListener(IBenchListener *listener)    { m_listener = listener; }
+    inline static void setSize(uint32_t size)                   { m_size = size; }
+
+private:
+    static IBenchListener *m_listener;
+    static uint32_t m_size;
+};
+
+
+} // namespace xmrig
+
+
+#endif /* XMRIG_BENCHSTATE_H */

src/backend/common/benchmark/BenchState_test.h

@@ -0,0 +1,116 @@
+/* XMRig
+ * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_BENCHSTATE_TEST_H
+#define XMRIG_BENCHSTATE_TEST_H
+
+
+#include "base/crypto/Algorithm.h"
+
+
+#include <map>
+
+
+namespace xmrig {
+
+
+static const std::map<int, std::map<uint32_t, uint64_t> > hashCheck = {
+    { Algorithm::RX_0, {
+#       ifndef NDEBUG
+        {    10000U, 0x4A597463865ACF0EULL },
+        {    20000U, 0xC82B490C757DA738ULL },
+#       endif
+        {   250000U, 0x7D6054757BB08A63ULL },
+        {   500000U, 0x96607546DE1F5ECCULL },
+        {  1000000U, 0x898B6E0431C28A6BULL },
+        {  2000000U, 0xEE9468F8B40926BCULL },
+        {  3000000U, 0xC2BC5D11724813C0ULL },
+        {  4000000U, 0x3A2C7B285B87F941ULL },
+        {  5000000U, 0x3B5BD2C3A16B450EULL },
+        {  6000000U, 0x5CD0602F20C5C7C4ULL },
+        {  7000000U, 0x101DE939474B6812ULL },
+        {  8000000U, 0x52B765A1B156C6ECULL },
+        {  9000000U, 0x323935102AB6B45CULL },
+        { 10000000U, 0xB5231262E2792B26ULL }
+    }},
+    { Algorithm::RX_WOW, {
+#       ifndef NDEBUG
+        {    10000U, 0x6B0918757100B338ULL },
+        {    20000U, 0x0B55785C1837F41BULL },
+#       endif
+        {   250000U, 0xC7F712C9603E2603ULL },
+        {   500000U, 0x21A0E5AAE6DA7D8DULL },
+        {  1000000U, 0x0F3E5400B39EA96AULL },
+        {  2000000U, 0x85944CCFA2752D1FULL },
+        {  3000000U, 0x64AFFCAE991811BAULL },
+        {  4000000U, 0x3E4D0B836D3B13BAULL },
+        {  5000000U, 0xEB7417D621271166ULL },
+        {  6000000U, 0x97FFE10C0949FFA5ULL },
+        {  7000000U, 0x84CAC0F8879A4BA1ULL },
+        {  8000000U, 0xA1B79F031DA2459FULL },
+        {  9000000U, 0x9B65226DA873E65DULL },
+        { 10000000U, 0x0F9E00C5A511C200ULL }
+    }}
+};
+
+
+static const std::map<int, std::map<uint32_t, uint64_t> > hashCheck1T = {
+    { Algorithm::RX_0, {
+#       ifndef NDEBUG
+        {    10000U, 0xADFC3A66F79BFE7FULL },
+        {    20000U, 0x8ED578A60D55C0DBULL },
+#       endif
+        {   250000U, 0x90A15B799486F3EBULL },
+        {   500000U, 0xAA83118FEE570F9AULL },
+        {  1000000U, 0x3DF47B0A427C93D9ULL },
+        {  2000000U, 0xED4D639B0AEB85C6ULL },
+        {  3000000U, 0x2D4F9B4275A713C3ULL },
+        {  4000000U, 0xA9EBE4888377F8D3ULL },
+        {  5000000U, 0xB92F81851E180454ULL },
+        {  6000000U, 0xFB9F98F63C2F1B7DULL },
+        {  7000000U, 0x2CC3D7A779D5AB35ULL },
+        {  8000000U, 0x2EEF833EA462F4B1ULL },
+        {  9000000U, 0xC6D39EF59213A07CULL },
+        { 10000000U, 0x95E6BAE68DD779CDULL }
+    }},
+    { Algorithm::RX_WOW, {
+#       ifndef NDEBUG
+        {    10000U, 0x9EC1B9B8C8C7F082ULL },
+        {    20000U, 0xF1DA44FA2A20D730ULL },
+#       endif
+        {   250000U, 0x7B409F096C863207ULL },
+        {   500000U, 0x70B7B80D15654216ULL },
+        {  1000000U, 0x31301CC550306A59ULL },
+        {  2000000U, 0x92F65E9E31116361ULL },
+        {  3000000U, 0x7FE8DF6F43BA5285ULL },
+        {  4000000U, 0xD6CDA54FE4D9BBF7ULL },
+        {  5000000U, 0x73AF673E1A38E2B4ULL },
+        {  6000000U, 0x81FDC5C4B45D84E4ULL },
+        {  7000000U, 0xAA08CA57666DC874ULL },
+        {  8000000U, 0x9DCEFB833FC875BCULL },
+        {  9000000U, 0x862F051352CFCA1FULL },
+        { 10000000U, 0xC403F220189E8430ULL }
+    }}
+};
+
+
+} // namespace xmrig
+
+
+
+#endif /* XMRIG_BENCHSTATE_TEST_H */

src/backend/common/benchmark/Benchmark.cpp

@@ -0,0 +1,61 @@
+/* XMRig
+ * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "backend/common/benchmark/Benchmark.h"
+#include "backend/common/benchmark/BenchState.h"
+#include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
+#include "base/tools/Chrono.h"
+
+
+#include <cinttypes>
+
+
+xmrig::Benchmark::Benchmark(size_t workers, const IBackend *backend) :
+    m_backend(backend),
+    m_workers(workers)
+{
+}
+
+
+bool xmrig::Benchmark::finish(uint64_t totalHashCount)
+{
+    m_current = totalHashCount;
+
+    return BenchState::isDone();
+}
+
+
+void xmrig::Benchmark::start()
+{
+    m_startTime = BenchState::start(m_workers, m_backend);
+}
+
+
+void xmrig::Benchmark::printProgress() const
+{
+    if (!m_startTime || !m_current) {
+        return;
+    }
+
+    const double dt      = static_cast<double>(Chrono::steadyMSecs() - m_startTime) / 1000.0;
+    const double percent = static_cast<double>(m_current) / BenchState::size() * 100.0;
+
+    LOG_NOTICE("%s " MAGENTA_BOLD("%5.2f%% ") CYAN_BOLD("%" PRIu64) CYAN("/%u") BLACK_BOLD(" (%.3fs)"), Tags::bench(), percent, m_current, BenchState::size(), dt);
+}

src/backend/common/benchmark/Benchmark.h

@@ -0,0 +1,55 @@
+/* XMRig
+ * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_BENCHMARK_H
+#define XMRIG_BENCHMARK_H
+
+
+#include "base/tools/Object.h"
+
+
+namespace xmrig {
+
+
+class IBackend;
+
+
+class Benchmark
+{
+public:
+    XMRIG_DISABLE_COPY_MOVE_DEFAULT(Benchmark)
+
+    Benchmark(size_t workers, const IBackend *backend);
+    ~Benchmark() = default;
+
+    bool finish(uint64_t totalHashCount);
+    void printProgress() const;
+    void start();
+
+private:
+    const IBackend *m_backend;
+    const size_t m_workers;
+    uint64_t m_current          = 0;
+    uint64_t m_startTime        = 0;
+};
+
+
+} // namespace xmrig
+
+
+#endif /* XMRIG_BENCHMARK_H */

src/backend/common/common.cmake

@@ -1,5 +1,6 @@
 set(HEADERS_BACKEND_COMMON
     src/backend/common/Hashrate.h
+    src/backend/common/HashrateInterpolator.h
     src/backend/common/Tags.h
     src/backend/common/interfaces/IBackend.h
     src/backend/common/interfaces/IRxListener.h
@@ -15,7 +16,22 @@ set(HEADERS_BACKEND_COMMON
 
 set(SOURCES_BACKEND_COMMON
     src/backend/common/Hashrate.cpp
+    src/backend/common/HashrateInterpolator.cpp
     src/backend/common/Threads.cpp
     src/backend/common/Worker.cpp
     src/backend/common/Workers.cpp
    )
+
+if (WITH_RANDOMX AND WITH_BENCHMARK)
+    list(APPEND HEADERS_BACKEND_COMMON
+        src/backend/common/benchmark/Benchmark.h
+        src/backend/common/benchmark/BenchState_test.h
+        src/backend/common/benchmark/BenchState.h
+        src/backend/common/interfaces/IBenchListener.h
+        )
+
+    list(APPEND SOURCES_BACKEND_COMMON
+        src/backend/common/benchmark/Benchmark.cpp
+        src/backend/common/benchmark/BenchState.cpp
+        )
+endif()

src/backend/common/interfaces/IBackend.h

@@ -36,6 +36,7 @@ namespace xmrig {
 
 
 class Algorithm;
+class Benchmark;
 class Hashrate;
 class IApiRequest;
 class IWorker;
@@ -60,12 +61,17 @@ public:
     virtual void setJob(const Job &job)                                 = 0;
     virtual void start(IWorker *worker, bool ready)                     = 0;
     virtual void stop()                                                 = 0;
-    virtual void tick(uint64_t ticks)                                   = 0;
+    virtual bool tick(uint64_t ticks)                                   = 0;
 
 #   ifdef XMRIG_FEATURE_API
     virtual rapidjson::Value toJSON(rapidjson::Document &doc) const     = 0;
     virtual void handleRequest(IApiRequest &request)                    = 0;
 #   endif
+
+#   ifdef XMRIG_FEATURE_BENCHMARK
+    virtual Benchmark *benchmark() const                                = 0;
+    virtual void printBenchProgress() const                             = 0;
+#   endif
 };
 
 

src/backend/common/interfaces/IBenchListener.h

@@ -0,0 +1,48 @@
+/* XMRig
+ * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_IBENCHLISTENER_H
+#define XMRIG_IBENCHLISTENER_H
+
+
+#include "base/tools/Object.h"
+
+
+namespace xmrig {
+
+
+class IBackend;
+
+
+class IBenchListener
+{
+public:
+    XMRIG_DISABLE_COPY_MOVE(IBenchListener)
+
+    IBenchListener()            = default;
+    virtual ~IBenchListener()   = default;
+
+    virtual void onBenchDone(uint64_t result, uint64_t diff, uint64_t ts)               = 0;
+    virtual void onBenchReady(uint64_t ts, uint32_t threads, const IBackend *backend)   = 0;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif // XMRIG_IBENCHLISTENER_H

src/backend/common/interfaces/IWorker.h

@@ -5,8 +5,8 @@
  * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
  * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
  * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -26,6 +26,9 @@
 #define XMRIG_IWORKER_H
 
 
+#include "base/tools/Object.h"
+
+
 #include <cstdint>
 #include <cstddef>
 
@@ -34,20 +37,25 @@ namespace xmrig {
 
 
 class VirtualMemory;
+class Job;
 
 
 class IWorker
 {
 public:
-    virtual ~IWorker() = default;
+    XMRIG_DISABLE_COPY_MOVE(IWorker)
 
-    virtual bool selfTest()                         = 0;
-    virtual const VirtualMemory *memory() const     = 0;
-    virtual size_t id() const                       = 0;
-    virtual size_t intensity() const                = 0;
-    virtual uint64_t hashCount() const              = 0;
-    virtual uint64_t timestamp() const              = 0;
-    virtual void start()                            = 0;
+    IWorker()           = default;
+    virtual ~IWorker()  = default;
+
+    virtual bool selfTest()                                   = 0;
+    virtual const VirtualMemory *memory() const               = 0;
+    virtual size_t id() const                                 = 0;
+    virtual size_t intensity() const                          = 0;
+    virtual uint64_t rawHashes() const                        = 0;
+    virtual void getHashrateData(uint64_t&, uint64_t&) const  = 0;
+    virtual void start()                                      = 0;
+    virtual void jobEarlyNotification(const Job&)             = 0;
 };
 
 

src/backend/cpu/CpuBackend.cpp

@@ -34,6 +34,7 @@
 #include "backend/common/Workers.h"
 #include "backend/cpu/Cpu.h"
 #include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
 #include "base/net/stratum/Job.h"
 #include "base/tools/Chrono.h"
 #include "base/tools/String.h"
@@ -54,13 +55,18 @@
 #endif
 
 
+#ifdef XMRIG_FEATURE_BENCHMARK
+#   include "backend/common/benchmark/Benchmark.h"
+#   include "backend/common/benchmark/BenchState.h"
+#endif
+
+
 namespace xmrig {
 
 
 extern template class Threads<CpuThreads>;
 
 
-static const char *tag      = CYAN_BG_BOLD(WHITE_BOLD_S " cpu ");
 static const String kType   = "cpu";
 static std::mutex mutex;
 
@@ -102,13 +108,13 @@ public:
     inline void print() const
     {
         if (m_started == 0) {
-            LOG_ERR("%s " RED_BOLD("disabled") YELLOW(" (failed to start threads)"), tag);
+            LOG_ERR("%s " RED_BOLD("disabled") YELLOW(" (failed to start threads)"), Tags::cpu());
 
             return;
         }
 
         LOG_INFO("%s" GREEN_BOLD(" READY") " threads %s%zu/%zu (%zu)" CLEAR " huge pages %s%1.0f%% %zu/%zu" CLEAR " memory " CYAN_BOLD("%zu KB") BLACK_BOLD(" (%" PRIu64 " ms)"),
-                 tag,
+                 Tags::cpu(),
                  m_errors == 0 ? CYAN_BOLD_S : YELLOW_BOLD_S,
                  m_started, m_threads, m_ways,
                  (m_hugePages.isFullyAllocated() ? GREEN_BOLD_S : (m_hugePages.allocated == 0 ? RED_BOLD_S : YELLOW_BOLD_S)),
@@ -133,16 +139,13 @@ private:
 class CpuBackendPrivate
 {
 public:
-    inline CpuBackendPrivate(Controller *controller) :
-        controller(controller)
-    {
-    }
+    inline CpuBackendPrivate(Controller *controller) : controller(controller)   {}
 
 
     inline void start()
     {
         LOG_INFO("%s use profile " BLUE_BG(WHITE_BOLD_S " %s ") WHITE_BOLD_S " (" CYAN_BOLD("%zu") WHITE_BOLD(" thread%s)") " scratchpad " CYAN_BOLD("%zu KB"),
-                 tag,
+                 Tags::cpu(),
                  profileName.data(),
                  threads.size(),
                  threads.size() > 1 ? "s" : "",
@@ -150,7 +153,12 @@ public:
                  );
 
         status.start(threads, algo.l3());
+
+#       ifdef XMRIG_FEATURE_BENCHMARK
+        workers.start(threads, benchmark);
+#       else
         workers.start(threads);
+#       endif
     }
 
 
@@ -199,6 +207,10 @@ public:
     std::vector<CpuLaunchData> threads;
     String profileName;
     Workers<CpuLaunchData> workers;
+
+#   ifdef XMRIG_FEATURE_BENCHMARK
+    std::shared_ptr<Benchmark> benchmark;
+#   endif
 };
 
 
@@ -219,13 +231,13 @@ const char *xmrig::backend_tag(uint32_t backend)
     }
 #   endif
 
-    return tag;
+    return Tags::cpu();
 }
 
 
 const char *xmrig::cpu_tag()
 {
-    return tag;
+    return Tags::cpu();
 }
 
 
@@ -279,7 +291,7 @@ void xmrig::CpuBackend::prepare(const Job &nextJob)
     if ((f == Algorithm::ARGON2) || (f == Algorithm::RANDOM_X)) {
         if (argon2::Impl::select(d_ptr->controller->config()->cpu().argon2Impl())) {
             LOG_INFO("%s use " WHITE_BOLD("argon2") " implementation " CSI "1;%dm" "%s",
-                     tag,
+                     Tags::cpu(),
                      argon2::Impl::name() == "default" ? 33 : 32,
                      argon2::Impl::name().data()
                      );
@@ -304,9 +316,9 @@ void xmrig::CpuBackend::printHashrate(bool details)
          Log::print("| %8zu | %8" PRId64 " | %7s | %7s | %7s |",
                     i,
                     data.affinity,
-                    Hashrate::format(hashrate()->calc(i, Hashrate::ShortInterval),  num,         sizeof num / 3),
-                    Hashrate::format(hashrate()->calc(i, Hashrate::MediumInterval), num + 8,     sizeof num / 3),
-                    Hashrate::format(hashrate()->calc(i, Hashrate::LargeInterval),  num + 8 * 2, sizeof num / 3)
+                    Hashrate::format(hashrate()->calc(i + 1, Hashrate::ShortInterval),  num,         sizeof num / 3),
+                    Hashrate::format(hashrate()->calc(i + 1, Hashrate::MediumInterval), num + 8,     sizeof num / 3),
+                    Hashrate::format(hashrate()->calc(i + 1, Hashrate::LargeInterval),  num + 8 * 2, sizeof num / 3)
                     );
 
          i++;
@@ -333,9 +345,15 @@ void xmrig::CpuBackend::setJob(const Job &job)
         return stop();
     }
 
-    const CpuConfig &cpu = d_ptr->controller->config()->cpu();
+    const auto &cpu = d_ptr->controller->config()->cpu();
 
-    std::vector<CpuLaunchData> threads = cpu.get(d_ptr->controller->miner(), job.algorithm());
+#   ifdef XMRIG_FEATURE_BENCHMARK
+    const uint32_t benchSize = BenchState::size();
+#   else
+    constexpr uint32_t benchSize = 0;
+#   endif
+
+    auto threads = cpu.get(d_ptr->controller->miner(), job.algorithm(), benchSize);
     if (!d_ptr->threads.empty() && d_ptr->threads.size() == threads.size() && std::equal(d_ptr->threads.begin(), d_ptr->threads.end(), threads.begin())) {
         return;
     }
@@ -344,13 +362,19 @@ void xmrig::CpuBackend::setJob(const Job &job)
     d_ptr->profileName  = cpu.threads().profileName(job.algorithm());
 
     if (d_ptr->profileName.isNull() || threads.empty()) {
-        LOG_WARN("%s " RED_BOLD("disabled") YELLOW(" (no suitable configuration found)"), tag);
+        LOG_WARN("%s " RED_BOLD("disabled") YELLOW(" (no suitable configuration found)"), Tags::cpu());
 
         return stop();
     }
 
     stop();
 
+#   ifdef XMRIG_FEATURE_BENCHMARK
+    if (benchSize) {
+        d_ptr->benchmark = std::make_shared<Benchmark>(threads.size(), this);
+    }
+#   endif
+
     d_ptr->threads = std::move(threads);
     d_ptr->start();
 }
@@ -383,13 +407,13 @@ void xmrig::CpuBackend::stop()
     d_ptr->workers.stop();
     d_ptr->threads.clear();
 
-    LOG_INFO("%s" YELLOW(" stopped") BLACK_BOLD(" (%" PRIu64 " ms)"), tag, Chrono::steadyMSecs() - ts);
+    LOG_INFO("%s" YELLOW(" stopped") BLACK_BOLD(" (%" PRIu64 " ms)"), Tags::cpu(), Chrono::steadyMSecs() - ts);
 }
 
 
-void xmrig::CpuBackend::tick(uint64_t ticks)
+bool xmrig::CpuBackend::tick(uint64_t ticks)
 {
-    d_ptr->workers.tick(ticks);
+    return d_ptr->workers.tick(ticks);
 }
 
 
@@ -407,6 +431,7 @@ rapidjson::Value xmrig::CpuBackend::toJSON(rapidjson::Document &doc) const
     out.AddMember("profile",    profileName().toJSON(), allocator);
     out.AddMember("hw-aes",     cpu.isHwAES(), allocator);
     out.AddMember("priority",   cpu.priority(), allocator);
+    out.AddMember("msr",        Rx::isMSR(), allocator);
 
 #   ifdef XMRIG_FEATURE_ASM
     const Assembly assembly = Cpu::assembly(cpu.assembly());
@@ -459,3 +484,19 @@ void xmrig::CpuBackend::handleRequest(IApiRequest &request)
     }
 }
 #endif
+
+
+#ifdef XMRIG_FEATURE_BENCHMARK
+xmrig::Benchmark *xmrig::CpuBackend::benchmark() const
+{
+    return d_ptr->benchmark.get();
+}
+
+
+void xmrig::CpuBackend::printBenchProgress() const
+{
+    if (d_ptr->benchmark) {
+        d_ptr->benchmark->printProgress();
+    }
+}
+#endif

src/backend/cpu/CpuBackend.h

@@ -63,13 +63,18 @@ protected:
     void setJob(const Job &job) override;
     void start(IWorker *worker, bool ready) override;
     void stop() override;
-    void tick(uint64_t ticks) override;
+    bool tick(uint64_t ticks) override;
 
 #   ifdef XMRIG_FEATURE_API
     rapidjson::Value toJSON(rapidjson::Document &doc) const override;
     void handleRequest(IApiRequest &request) override;
 #   endif
 
+#   ifdef XMRIG_FEATURE_BENCHMARK
+    Benchmark *benchmark() const override;
+    void printBenchProgress() const override;
+#   endif
+
 private:
     CpuBackendPrivate *d_ptr;
 };

src/backend/cpu/CpuConfig.cpp

@@ -34,25 +34,27 @@
 
 namespace xmrig {
 
-static const char *kEnabled             = "enabled";
-static const char *kHugePages           = "huge-pages";
-static const char *kHwAes               = "hw-aes";
-static const char *kMaxThreadsHint      = "max-threads-hint";
-static const char *kMemoryPool          = "memory-pool";
-static const char *kPriority            = "priority";
-static const char *kYield               = "yield";
+const char *CpuConfig::kEnabled             = "enabled";
+const char *CpuConfig::kField               = "cpu";
+const char *CpuConfig::kHugePages           = "huge-pages";
+const char *CpuConfig::kHugePagesJit        = "huge-pages-jit";
+const char *CpuConfig::kHwAes               = "hw-aes";
+const char *CpuConfig::kMaxThreadsHint      = "max-threads-hint";
+const char *CpuConfig::kMemoryPool          = "memory-pool";
+const char *CpuConfig::kPriority            = "priority";
+const char *CpuConfig::kYield               = "yield";
 
 #ifdef XMRIG_FEATURE_ASM
-static const char *kAsm = "asm";
+const char *CpuConfig::kAsm                 = "asm";
 #endif
 
 #ifdef XMRIG_ALGO_ARGON2
-static const char *kArgon2Impl = "argon2-impl";
+const char *CpuConfig::kArgon2Impl          = "argon2-impl";
 #endif
 
 #ifdef XMRIG_ALGO_ASTROBWT
-static const char* kAstroBWTMaxSize = "astrobwt-max-size";
-static const char* kAstroBWTAVX2    = "astrobwt-avx2";
+const char *CpuConfig::kAstroBWTMaxSize     = "astrobwt-max-size";
+const char *CpuConfig::kAstroBWTAVX2        = "astrobwt-avx2";
 #endif
 
 
@@ -76,6 +78,7 @@ rapidjson::Value xmrig::CpuConfig::toJSON(rapidjson::Document &doc) const
 
     obj.AddMember(StringRef(kEnabled),      m_enabled, allocator);
     obj.AddMember(StringRef(kHugePages),    m_hugePages, allocator);
+    obj.AddMember(StringRef(kHugePagesJit), m_hugePagesJit, allocator);
     obj.AddMember(StringRef(kHwAes),        m_aes == AES_AUTO ? Value(kNullType) : Value(m_aes == AES_HW), allocator);
     obj.AddMember(StringRef(kPriority),     priority() != -1 ? Value(priority()) : Value(kNullType), allocator);
     obj.AddMember(StringRef(kMemoryPool),   m_memoryPool < 1 ? Value(m_memoryPool < 0) : Value(m_memoryPool), allocator);
@@ -110,19 +113,20 @@ size_t xmrig::CpuConfig::memPoolSize() const
 }
 
 
-std::vector<xmrig::CpuLaunchData> xmrig::CpuConfig::get(const Miner *miner, const Algorithm &algorithm) const
+std::vector<xmrig::CpuLaunchData> xmrig::CpuConfig::get(const Miner *miner, const Algorithm &algorithm, uint32_t benchSize) const
 {
     std::vector<CpuLaunchData> out;
-    const CpuThreads &threads = m_threads.get(algorithm);
+    const auto &threads = m_threads.get(algorithm);
 
     if (threads.isEmpty()) {
         return out;
     }
 
-    out.reserve(threads.count());
+    const size_t count = threads.count();
+    out.reserve(count);
 
-    for (const CpuThread &thread : threads.data()) {
-        out.emplace_back(miner, algorithm, *this, thread);
+    for (const auto &thread : threads.data()) {
+        out.emplace_back(miner, algorithm, *this, thread, benchSize, count);
     }
 
     return out;
@@ -132,10 +136,11 @@ std::vector<xmrig::CpuLaunchData> xmrig::CpuConfig::get(const Miner *miner, cons
 void xmrig::CpuConfig::read(const rapidjson::Value &value)
 {
     if (value.IsObject()) {
-        m_enabled    = Json::getBool(value, kEnabled, m_enabled);
-        m_hugePages  = Json::getBool(value, kHugePages, m_hugePages);
-        m_limit      = Json::getUint(value, kMaxThreadsHint, m_limit);
-        m_yield      = Json::getBool(value, kYield, m_yield);
+        m_enabled      = Json::getBool(value, kEnabled, m_enabled);
+        m_hugePages    = Json::getBool(value, kHugePages, m_hugePages);
+        m_hugePagesJit = Json::getBool(value, kHugePagesJit, m_hugePagesJit);
+        m_limit        = Json::getUint(value, kMaxThreadsHint, m_limit);
+        m_yield        = Json::getBool(value, kYield, m_yield);
 
         setAesMode(Json::getValue(value, kHwAes));
         setPriority(Json::getInt(value,  kPriority, -1));

src/backend/cpu/CpuConfig.h

@@ -44,16 +44,40 @@ public:
         AES_SOFT
     };
 
+    static const char *kEnabled;
+    static const char *kField;
+    static const char *kHugePages;
+    static const char *kHugePagesJit;
+    static const char *kHwAes;
+    static const char *kMaxThreadsHint;
+    static const char *kMemoryPool;
+    static const char *kPriority;
+    static const char *kYield;
+
+#   ifdef XMRIG_FEATURE_ASM
+    static const char *kAsm;
+#   endif
+
+#   ifdef XMRIG_ALGO_ARGON2
+    static const char *kArgon2Impl;
+#   endif
+
+#   ifdef XMRIG_ALGO_ASTROBWT
+    static const char *kAstroBWTMaxSize;
+    static const char *kAstroBWTAVX2;
+#   endif
+
     CpuConfig() = default;
 
     bool isHwAES() const;
     rapidjson::Value toJSON(rapidjson::Document &doc) const;
     size_t memPoolSize() const;
-    std::vector<CpuLaunchData> get(const Miner *miner, const Algorithm &algorithm) const;
+    std::vector<CpuLaunchData> get(const Miner *miner, const Algorithm &algorithm, uint32_t benchSize) const;
     void read(const rapidjson::Value &value);
 
     inline bool isEnabled() const                       { return m_enabled; }
     inline bool isHugePages() const                     { return m_hugePages; }
+    inline bool isHugePagesJit() const                  { return m_hugePagesJit; }
     inline bool isShouldSave() const                    { return m_shouldSave; }
     inline bool isYield() const                         { return m_yield; }
     inline const Assembly &assembly() const             { return m_assembly; }
@@ -76,6 +100,7 @@ private:
     bool m_astrobwtAVX2     = false;
     bool m_enabled          = true;
     bool m_hugePages        = true;
+    bool m_hugePagesJit     = false;
     bool m_shouldSave       = false;
     bool m_yield            = true;
     int m_astrobwtMaxSize   = 550;

src/backend/cpu/CpuConfig_gen.h

@@ -60,10 +60,6 @@ size_t inline generate<Algorithm::CN>(Threads<CpuThreads> &threads, uint32_t lim
         ++count;
     }
 
-#   ifdef XMRIG_ALGO_CN_GPU
-    count += generate("cn/gpu", threads, Algorithm::CN_GPU, limit);
-#   endif
-
     return count;
 }
 
@@ -149,7 +145,7 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CpuThreads> &threads, uint32
 template<>
 size_t inline generate<Algorithm::ARGON2>(Threads<CpuThreads> &threads, uint32_t limit)
 {
-    return generate("argon2", threads, Algorithm::AR2_CHUKWA, limit);
+    return generate("argon2", threads, Algorithm::AR2_CHUKWA_V2, limit);
 }
 #endif
 

src/backend/cpu/CpuLaunchData.cpp

@@ -32,7 +32,7 @@
 #include <algorithm>
 
 
-xmrig::CpuLaunchData::CpuLaunchData(const Miner *miner, const Algorithm &algorithm, const CpuConfig &config, const CpuThread &thread) :
+xmrig::CpuLaunchData::CpuLaunchData(const Miner *miner, const Algorithm &algorithm, const CpuConfig &config, const CpuThread &thread, uint32_t benchSize, size_t threads) :
     algorithm(algorithm),
     assembly(config.assembly()),
     astrobwtAVX2(config.astrobwtAVX2()),
@@ -43,6 +43,8 @@ xmrig::CpuLaunchData::CpuLaunchData(const Miner *miner, const Algorithm &algorit
     priority(config.priority()),
     affinity(thread.affinity()),
     miner(miner),
+    threads(threads),
+    benchSize(benchSize),
     intensity(std::min<uint32_t>(thread.intensity(), algorithm.maxIntensity()))
 {
 }

src/backend/cpu/CpuLaunchData.h

@@ -44,12 +44,12 @@ class Miner;
 class CpuLaunchData
 {
 public:
-    CpuLaunchData(const Miner *miner, const Algorithm &algorithm, const CpuConfig &config, const CpuThread &thread);
+    CpuLaunchData(const Miner *miner, const Algorithm &algorithm, const CpuConfig &config, const CpuThread &thread, uint32_t benchSize, size_t threads);
 
     bool isEqual(const CpuLaunchData &other) const;
     CnHash::AlgoVariant av() const;
 
-    inline constexpr static Nonce::Backend backend() { return Nonce::CPU; }
+    inline constexpr static Nonce::Backend backend()            { return Nonce::CPU; }
 
     inline bool operator!=(const CpuLaunchData &other) const    { return !isEqual(other); }
     inline bool operator==(const CpuLaunchData &other) const    { return isEqual(other); }
@@ -66,6 +66,8 @@ public:
     const int priority;
     const int64_t affinity;
     const Miner *miner;
+    const size_t threads;
+    const uint32_t benchSize;
     const uint32_t intensity;
 };
 

src/backend/cpu/CpuWorker.cpp

@@ -29,6 +29,8 @@
 
 
 #include "backend/cpu/CpuWorker.h"
+#include "base/tools/Chrono.h"
+#include "core/config/Config.h"
 #include "core/Miner.h"
 #include "crypto/cn/CnCtx.h"
 #include "crypto/cn/CryptoNight_test.h"
@@ -36,6 +38,7 @@
 #include "crypto/common/Nonce.h"
 #include "crypto/common/VirtualMemory.h"
 #include "crypto/rx/Rx.h"
+#include "crypto/rx/RxDataset.h"
 #include "crypto/rx/RxVm.h"
 #include "net/JobResults.h"
 
@@ -50,15 +53,20 @@
 #endif
 
 
+#ifdef XMRIG_FEATURE_BENCHMARK
+#   include "backend/common/benchmark/BenchState.h"
+#endif
+
+
 namespace xmrig {
 
 static constexpr uint32_t kReserveCount = 32768;
 
 
 template<size_t N>
-inline bool nextRound(WorkerJob<N> &job)
+inline bool nextRound(WorkerJob<N> &job, uint32_t benchSize)
 {
-    if (!job.nextRound(kReserveCount, 1)) {
+    if (!job.nextRound(benchSize ? 1 : kReserveCount, 1)) {
         JobResults::done(job.currentJob());
 
         return false;
@@ -83,6 +91,8 @@ xmrig::CpuWorker<N>::CpuWorker(size_t id, const CpuLaunchData &data) :
     m_av(data.av()),
     m_astrobwtMaxSize(data.astrobwtMaxSize * 1000),
     m_miner(data.miner),
+    m_threads(data.threads),
+    m_benchSize(data.benchSize),
     m_ctx()
 {
     m_memory = new VirtualMemory(m_algorithm.l3() * N, data.hugePages, false, true, m_node);
@@ -118,7 +128,9 @@ void xmrig::CpuWorker<N>::allocateRandomX_VM()
     }
 
     if (!m_vm) {
-        m_vm = RxVm::create(dataset, m_memory->scratchpad(), !m_hwAES, m_assembly, m_node);
+        // Try to allocate scratchpad from dataset's 1 GB huge pages, if normal huge pages are not available
+        uint8_t* scratchpad = m_memory->isHugePages() ? m_memory->scratchpad() : dataset->tryAllocateScrathpad();
+        m_vm = RxVm::create(dataset, scratchpad ? scratchpad : m_memory->scratchpad(), !m_hwAES, m_assembly, m_node);
     }
 }
 #endif
@@ -146,17 +158,10 @@ bool xmrig::CpuWorker<N>::selfTest()
                         verify2(Algorithm::CN_R,     test_output_r)    &&
                         verify(Algorithm::CN_RWZ,    test_output_rwz)  &&
                         verify(Algorithm::CN_ZLS,    test_output_zls)  &&
+                        verify(Algorithm::CN_CCX,    test_output_ccx)  &&
                         verify(Algorithm::CN_DOUBLE, test_output_double);
 
-#       ifdef XMRIG_ALGO_CN_GPU
-        if (!rc || N > 1) {
-            return rc;
-        }
-
-        return verify(Algorithm::CN_GPU, test_output_gpu);
-#       else
         return rc;
-#       endif
     }
 
 #   ifdef XMRIG_ALGO_CN_LITE
@@ -184,6 +189,7 @@ bool xmrig::CpuWorker<N>::selfTest()
 #   ifdef XMRIG_ALGO_ARGON2
     if (m_algorithm.family() == Algorithm::ARGON2) {
         return verify(Algorithm::AR2_CHUKWA, argon2_chukwa_test_out) &&
+               verify(Algorithm::AR2_CHUKWA_V2, argon2_chukwa_v2_test_out) &&
                verify(Algorithm::AR2_WRKZ, argon2_wrkz_test_out);
     }
 #   endif
@@ -215,23 +221,12 @@ void xmrig::CpuWorker<N>::start()
             consumeJob();
         }
 
-        uint64_t storeStatsMask = 7;
-
 #       ifdef XMRIG_ALGO_RANDOMX
         bool first = true;
-        uint64_t tempHash[8] = {};
-
-        // RandomX is faster, we don't need to store stats so often
-        if (m_job.currentJob().algorithm().family() == Algorithm::RANDOM_X) {
-            storeStatsMask = 63;
-        }
+        alignas(16) uint64_t tempHash[8] = {};
 #       endif
 
         while (!Nonce::isOutdated(Nonce::CPU, m_job.sequence())) {
-            if ((m_count & storeStatsMask) == 0) {
-                storeStats();
-            }
-
             const Job &job = m_job.currentJob();
 
             if (job.algorithm().l3() != m_algorithm.l3()) {
@@ -243,6 +238,19 @@ void xmrig::CpuWorker<N>::start()
                 current_job_nonces[i] = *m_job.nonce(i);
             }
 
+#           ifdef XMRIG_FEATURE_BENCHMARK
+            if (m_benchSize) {
+                if (current_job_nonces[0] >= m_benchSize) {
+                    return BenchState::done(m_benchData, m_benchDiff, Chrono::steadyMSecs());;
+                }
+
+                // Make each hash dependent on the previous one in single thread benchmark to prevent cheating with multiple threads
+                if (m_threads == 1) {
+                    *(uint64_t*)(m_job.blob()) ^= m_benchData;
+                }
+            }
+#           endif
+
             bool valid = true;
 
 #           ifdef XMRIG_ALGO_RANDOMX
@@ -252,7 +260,7 @@ void xmrig::CpuWorker<N>::start()
                     randomx_calculate_hash_first(m_vm, tempHash, m_job.blob(), job.size());
                 }
 
-                if (!nextRound(m_job)) {
+                if (!nextRound(m_job, m_benchSize)) {
                     break;
                 }
 
@@ -272,14 +280,25 @@ void xmrig::CpuWorker<N>::start()
                     fn(job.algorithm())(m_job.blob(), job.size(), m_hash, m_ctx, job.height());
                 }
 
-                if (!nextRound(m_job)) {
+                if (!nextRound(m_job, m_benchSize)) {
                     break;
                 };
             }
 
             if (valid) {
                 for (size_t i = 0; i < N; ++i) {
-                    if (*reinterpret_cast<uint64_t*>(m_hash + (i * 32) + 24) < job.target()) {
+                    const uint64_t value = *reinterpret_cast<uint64_t*>(m_hash + (i * 32) + 24);
+
+#                   ifdef XMRIG_FEATURE_BENCHMARK
+                    if (m_benchSize) {
+                        if (current_job_nonces[i] < m_benchSize) {
+                            m_benchData ^= value;
+                            m_benchDiff = std::max(m_benchDiff, Job::toDiff(value));
+                        }
+                    }
+                    else
+#                   endif
+                    if (value < job.target()) {
                         JobResults::submit(job, current_job_nonces[i], m_hash + (i * 32));
                     }
                 }
@@ -376,7 +395,11 @@ void xmrig::CpuWorker<N>::consumeJob()
         return;
     }
 
-    m_job.add(m_miner->job(), kReserveCount, Nonce::CPU);
+    m_job.add(m_miner->job(), m_benchSize ? 1 : kReserveCount, Nonce::CPU);
+
+#   ifdef XMRIG_FEATURE_BENCHMARK
+    m_benchData = 0;
+#   endif
 
 #   ifdef XMRIG_ALGO_RANDOMX
     if (m_job.currentJob().algorithm().family() == Algorithm::RANDOM_X) {

src/backend/cpu/CpuWorker.h

@@ -73,6 +73,7 @@ private:
     void allocateCnCtx();
     void consumeJob();
 
+    alignas(16) uint8_t m_hash[N * 32]{ 0 };
     const Algorithm m_algorithm;
     const Assembly m_assembly;
     const bool m_astrobwtAVX2;
@@ -81,14 +82,20 @@ private:
     const CnHash::AlgoVariant m_av;
     const int m_astrobwtMaxSize;
     const Miner *m_miner;
+    const size_t m_threads;
+    const uint32_t m_benchSize;
     cryptonight_ctx *m_ctx[N];
-    uint8_t m_hash[N * 32]{ 0 };
     VirtualMemory *m_memory = nullptr;
     WorkerJob<N> m_job;
 
 #   ifdef XMRIG_ALGO_RANDOMX
     randomx_vm *m_vm = nullptr;
 #   endif
+
+#   ifdef XMRIG_FEATURE_BENCHMARK
+    uint64_t m_benchData    = 0;
+    uint64_t m_benchDiff    = 0;
+#   endif
 };
 
 

src/backend/cpu/cpu.cmake

@@ -47,6 +47,7 @@ if (WITH_HWLOC)
         src/backend/cpu/platform/HwlocCpuInfo.h
         )
 elseif (WITH_LIBCPUID)
+    message(WARNING, "libcpuid support is deprecated and will be removed in future versions.")
     set(WITH_HWLOC OFF)
 
     add_subdirectory(src/3rdparty/libcpuid)
@@ -72,6 +73,10 @@ endif()
 
 if (XMRIG_ARM)
     list(APPEND SOURCES_CPUID src/backend/cpu/platform/BasicCpuInfo_arm.cpp)
+
+    if (XMRIG_OS_UNIX)
+        list(APPEND SOURCES_CPUID src/backend/cpu/platform/lscpu_arm.cpp)
+    endif()
 else()
     list(APPEND SOURCES_CPUID src/backend/cpu/platform/BasicCpuInfo.cpp)
 endif()

src/backend/cpu/interfaces/ICpuInfo.h

@@ -28,6 +28,7 @@
 
 #include "backend/cpu/CpuThreads.h"
 #include "base/crypto/Algorithm.h"
+#include "base/tools/Object.h"
 #include "crypto/common/Assembly.h"
 
 
@@ -37,6 +38,8 @@ namespace xmrig {
 class ICpuInfo
 {
 public:
+    XMRIG_DISABLE_COPY_MOVE(ICpuInfo)
+
     enum Vendor : uint32_t {
         VENDOR_UNKNOWN,
         VENDOR_INTEL,
@@ -45,12 +48,15 @@ public:
 
     enum MsrMod : uint32_t {
         MSR_MOD_NONE,
-        MSR_MOD_RYZEN,
+        MSR_MOD_RYZEN_17H,
+        MSR_MOD_RYZEN_19H,
         MSR_MOD_INTEL,
         MSR_MOD_CUSTOM,
         MSR_MOD_MAX
     };
 
+#   define MSR_NAMES_LIST "none", "ryzen_17h", "ryzen_19h", "intel", "custom"
+
     enum Flag : uint32_t {
         FLAG_AES,
         FLAG_AVX2,
@@ -60,10 +66,14 @@ public:
         FLAG_PDPE1GB,
         FLAG_SSE2,
         FLAG_SSSE3,
+        FLAG_SSE41,
         FLAG_XOP,
+        FLAG_POPCNT,
+        FLAG_CAT_L3,
         FLAG_MAX
     };
 
+    ICpuInfo()          = default;
     virtual ~ICpuInfo() = default;
 
 #   if defined(__x86_64__) || defined(_M_AMD64) || defined (__arm64__) || defined (__aarch64__)
@@ -78,6 +88,7 @@ public:
     virtual bool hasAVX2() const                                                    = 0;
     virtual bool hasBMI2() const                                                    = 0;
     virtual bool hasOneGbPages() const                                              = 0;
+    virtual bool hasCatL3() const                                                   = 0;
     virtual const char *backend() const                                             = 0;
     virtual const char *brand() const                                               = 0;
     virtual CpuThreads threads(const Algorithm &algorithm, uint32_t limit) const    = 0;
@@ -90,6 +101,7 @@ public:
     virtual size_t packages() const                                                 = 0;
     virtual size_t threads() const                                                  = 0;
     virtual Vendor vendor() const                                                   = 0;
+    virtual bool jccErratum() const                                                 = 0;
 };
 
 

src/backend/cpu/platform/AdvancedCpuInfo.cpp

@@ -76,12 +76,6 @@ xmrig::CpuThreads xmrig::AdvancedCpuInfo::threads(const Algorithm &algorithm, ui
         return 1;
     }
 
-#   ifdef XMRIG_ALGO_CN_GPU
-    if (algorithm == Algorithm::CN_GPU) {
-        return CpuThreads(threads());
-    }
-#   endif
-
     size_t cache = 0;
     size_t count = 0;
 

src/backend/cpu/platform/BasicCpuInfo.cpp

@@ -1,12 +1,7 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <support@xmrig.com>
+ * Copyright (c) 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2020 XMRig       <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -57,8 +52,16 @@
 namespace xmrig {
 
 
-static const std::array<const char *, ICpuInfo::FLAG_MAX> flagNames     = { "aes", "avx2", "avx512f", "bmi2", "osxsave", "pdpe1gb", "sse2", "ssse3", "xop" };
-static const std::array<const char *, ICpuInfo::MSR_MOD_MAX> msrNames   = { "none", "ryzen", "intel", "custom" };
+constexpr size_t kCpuFlagsSize                                  = 12;
+static const std::array<const char *, kCpuFlagsSize> flagNames  = { "aes", "avx2", "avx512f", "bmi2", "osxsave", "pdpe1gb", "sse2", "ssse3", "sse4.1", "xop", "popcnt", "cat_l3" };
+static_assert(kCpuFlagsSize == ICpuInfo::FLAG_MAX, "kCpuFlagsSize and FLAG_MAX mismatch");
+
+
+#ifdef XMRIG_FEATURE_MSR
+constexpr size_t kMsrArraySize                                  = 5;
+static const std::array<const char *, kMsrArraySize> msrNames   = { MSR_NAMES_LIST };
+static_assert(kMsrArraySize == ICpuInfo::MSR_MOD_MAX, "kMsrArraySize and MSR_MOD_MAX mismatch");
+#endif
 
 
 static inline void cpuid(uint32_t level, int32_t output[4])
@@ -66,7 +69,7 @@ static inline void cpuid(uint32_t level, int32_t output[4])
     memset(output, 0, sizeof(int32_t) * 4);
 
 #   ifdef _MSC_VER
-    __cpuid(output, static_cast<int>(level));
+    __cpuidex(output, static_cast<int>(level), 0);
 #   else
     __cpuid_count(level, 0, output[0], output[1], output[2], output[3]);
 #   endif
@@ -141,7 +144,10 @@ static inline bool has_bmi2()       { return has_feature(EXTENDED_FEATURES,
 static inline bool has_pdpe1gb()    { return has_feature(PROCESSOR_EXT_INFO,    EDX_Reg, 1 << 26); }
 static inline bool has_sse2()       { return has_feature(PROCESSOR_INFO,        EDX_Reg, 1 << 26); }
 static inline bool has_ssse3()      { return has_feature(PROCESSOR_INFO,        ECX_Reg, 1 << 9); }
+static inline bool has_sse41()      { return has_feature(PROCESSOR_INFO,        ECX_Reg, 1 << 19); }
 static inline bool has_xop()        { return has_feature(0x80000001,            ECX_Reg, 1 << 11); }
+static inline bool has_popcnt()     { return has_feature(PROCESSOR_INFO,        ECX_Reg, 1 << 23); }
+static inline bool has_cat_l3()     { return has_feature(EXTENDED_FEATURES,     EBX_Reg, 1 << 15) && has_feature(0x10, EBX_Reg, 1 << 1); }
 
 
 } // namespace xmrig
@@ -175,7 +181,10 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
     m_flags.set(FLAG_PDPE1GB, has_pdpe1gb());
     m_flags.set(FLAG_SSE2,    has_sse2());
     m_flags.set(FLAG_SSSE3,   has_ssse3());
+    m_flags.set(FLAG_SSE41,   has_sse41());
     m_flags.set(FLAG_XOP,     has_xop());
+    m_flags.set(FLAG_POPCNT,  has_popcnt());
+    m_flags.set(FLAG_CAT_L3,  has_cat_l3());
 
 #   ifdef XMRIG_FEATURE_ASM
     if (hasAES()) {
@@ -188,15 +197,32 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
         memcpy(vendor + 4, &data[3], 4);
         memcpy(vendor + 8, &data[2], 4);
 
+        cpuid(PROCESSOR_INFO, data);
+
+        m_procInfo = data[EAX_Reg];
+        m_family = get_masked(m_procInfo, 12, 8) + get_masked(m_procInfo, 28, 20);
+        m_model = (get_masked(m_procInfo, 20, 16) << 4) | get_masked(m_procInfo, 8, 4);
+        m_stepping = get_masked(m_procInfo, 4, 0);
+
         if (memcmp(vendor, "AuthenticAMD", 12) == 0) {
             m_vendor = VENDOR_AMD;
 
-            cpuid(PROCESSOR_INFO, data);
-            const int32_t family = get_masked(data[EAX_Reg], 12, 8) + get_masked(data[EAX_Reg], 28, 20);
-
-            if (family >= 23) {
+            if (m_family >= 0x17) {
                 m_assembly = Assembly::RYZEN;
-                m_msrMod   = MSR_MOD_RYZEN;
+
+                switch (m_family) {
+                case 0x17:
+                    m_msrMod = MSR_MOD_RYZEN_17H;
+                    break;
+
+                case 0x19:
+                    m_msrMod = MSR_MOD_RYZEN_19H;
+                    break;
+
+                default:
+                    m_msrMod = MSR_MOD_NONE;
+                    break;
+                }
             }
             else {
                 m_assembly = Assembly::BULLDOZER;
@@ -206,6 +232,36 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
             m_vendor   = VENDOR_INTEL;
             m_assembly = Assembly::INTEL;
             m_msrMod   = MSR_MOD_INTEL;
+
+            struct
+            {
+                unsigned int stepping : 4;
+                unsigned int model : 4;
+                unsigned int family : 4;
+                unsigned int processor_type : 2;
+                unsigned int reserved1 : 2;
+                unsigned int ext_model : 4;
+                unsigned int ext_family : 8;
+                unsigned int reserved2 : 4;
+            } processor_info;
+
+            memcpy(&processor_info, data, sizeof(processor_info));
+
+            // Intel JCC erratum mitigation
+            if (processor_info.family == 6) {
+                const uint32_t model = processor_info.model | (processor_info.ext_model << 4);
+                const uint32_t stepping = processor_info.stepping;
+
+                // Affected CPU models and stepping numbers are taken from https://www.intel.com/content/dam/support/us/en/documents/processors/mitigations-jump-conditional-code-erratum.pdf
+                m_jccErratum =
+                    ((model == 0x4E) && (stepping == 0x3)) ||
+                    ((model == 0x55) && (stepping == 0x4)) ||
+                    ((model == 0x5E) && (stepping == 0x3)) ||
+                    ((model == 0x8E) && (stepping >= 0x9) && (stepping <= 0xC)) ||
+                    ((model == 0x9E) && (stepping >= 0x9) && (stepping <= 0xD)) ||
+                    ((model == 0xA6) && (stepping == 0x0)) ||
+                    ((model == 0xAE) && (stepping == 0xA));
+            }
         }
     }
 #   endif
@@ -226,12 +282,6 @@ xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint3
         return 1;
     }
 
-#   ifdef XMRIG_ALGO_CN_GPU
-    if (algorithm == Algorithm::CN_GPU) {
-        return count;
-    }
-#   endif
-
 #   ifdef XMRIG_ALGO_CN_LITE
     if (algorithm.family() == Algorithm::CN_LITE) {
         return CpuThreads(count, 1);
@@ -288,6 +338,10 @@ rapidjson::Value xmrig::BasicCpuInfo::toJSON(rapidjson::Document &doc) const
     Value out(kObjectType);
 
     out.AddMember("brand",      StringRef(brand()), allocator);
+    out.AddMember("family",     m_family, allocator);
+    out.AddMember("model",      m_model, allocator);
+    out.AddMember("stepping",   m_stepping, allocator);
+    out.AddMember("proc_info",  m_procInfo, allocator);
     out.AddMember("aes",        hasAES(), allocator);
     out.AddMember("avx2",       hasAVX2(), allocator);
     out.AddMember("x64",        isX64(), allocator);
@@ -298,7 +352,12 @@ rapidjson::Value xmrig::BasicCpuInfo::toJSON(rapidjson::Document &doc) const
     out.AddMember("packages",   static_cast<uint64_t>(packages()), allocator);
     out.AddMember("nodes",      static_cast<uint64_t>(nodes()), allocator);
     out.AddMember("backend",    StringRef(backend()), allocator);
+
+#   ifdef XMRIG_FEATURE_MSR
     out.AddMember("msr",        StringRef(msrNames[msrMod()]), allocator);
+#   else
+    out.AddMember("msr",        "none", allocator);
+#   endif
 
 #   ifdef XMRIG_FEATURE_ASM
     out.AddMember("assembly",   StringRef(Assembly(assembly()).toString()), allocator);
@@ -306,6 +365,12 @@ rapidjson::Value xmrig::BasicCpuInfo::toJSON(rapidjson::Document &doc) const
     out.AddMember("assembly",   "none", allocator);
 #   endif
 
+#   if defined(__x86_64__) || defined(_M_AMD64)
+    out.AddMember("arch", "x86_64", allocator);
+#   else
+    out.AddMember("arch", "x86", allocator);
+#   endif
+
     Value flags(kArrayType);
 
     for (size_t i = 0; i < flagNames.size(); ++i) {

src/backend/cpu/platform/BasicCpuInfo.h

@@ -51,6 +51,7 @@ protected:
     inline bool hasAVX2() const override            { return has(FLAG_AVX2); }
     inline bool hasBMI2() const override            { return has(FLAG_BMI2); }
     inline bool hasOneGbPages() const override      { return has(FLAG_PDPE1GB); }
+    inline bool hasCatL3() const override           { return has(FLAG_CAT_L3); }
     inline const char *brand() const override       { return m_brand; }
     inline MsrMod msrMod() const override           { return m_msrMod; }
     inline size_t cores() const override            { return 0; }
@@ -60,13 +61,19 @@ protected:
     inline size_t packages() const override         { return 1; }
     inline size_t threads() const override          { return m_threads; }
     inline Vendor vendor() const override           { return m_vendor; }
+    inline bool jccErratum() const override         { return m_jccErratum; }
 
 protected:
     char m_brand[64 + 6]{};
     size_t m_threads;
     Vendor m_vendor         = VENDOR_UNKNOWN;
+    bool m_jccErratum       = false;
 
 private:
+    uint32_t m_procInfo     = 0;
+    uint32_t m_family       = 0;
+    uint32_t m_model        = 0;
+    uint32_t m_stepping     = 0;
     Assembly m_assembly     = Assembly::NONE;
     MsrMod m_msrMod         = MSR_MOD_NONE;
     std::bitset<FLAG_MAX> m_flags;

src/backend/cpu/platform/BasicCpuInfo_arm.cpp

@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <support@xmrig.com>
+ * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2020 XMRig       <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -22,8 +16,13 @@
  *   along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+
+#include "base/tools/String.h"
+
+
 #include <array>
 #include <cstring>
+#include <fstream>
 #include <thread>
 
 
@@ -37,6 +36,15 @@
 #include "3rdparty/rapidjson/document.h"
 
 
+#ifdef XMRIG_OS_UNIX
+namespace xmrig {
+
+extern String cpu_name_arm();
+
+} // namespace xmrig
+#endif
+
+
 xmrig::BasicCpuInfo::BasicCpuInfo() :
     m_threads(std::thread::hardware_concurrency())
 {
@@ -53,6 +61,15 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
     m_flags.set(FLAG_AES, true);
 #   endif
 #   endif
+
+#   ifdef XMRIG_OS_UNIX
+    auto name = cpu_name_arm();
+    if (!name.isNull()) {
+        strncpy(m_brand, name, sizeof(m_brand) - 1);
+    }
+
+    m_flags.set(FLAG_PDPE1GB, std::ifstream("/sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages").good());
+#   endif
 }
 
 
@@ -89,6 +106,12 @@ rapidjson::Value xmrig::BasicCpuInfo::toJSON(rapidjson::Document &doc) const
     out.AddMember("msr",        "none", allocator);
     out.AddMember("assembly",   "none", allocator);
 
+#   ifdef XMRIG_ARMv8
+    out.AddMember("arch", "aarch64", allocator);
+#   else
+    out.AddMember("arch", "aarch32", allocator);
+#   endif
+
     Value flags(kArrayType);
 
     if (hasAES()) {

src/backend/cpu/platform/HwlocCpuInfo.cpp

@@ -218,10 +218,11 @@ xmrig::CpuThreads xmrig::HwlocCpuInfo::threads(const Algorithm &algorithm, uint3
 {
 #   ifdef XMRIG_ALGO_ASTROBWT
     if (algorithm == Algorithm::ASTROBWT_DERO) {
-        return BasicCpuInfo::threads(algorithm, limit);
+        return allThreads(algorithm, limit);
     }
 #   endif
 
+#   ifndef XMRIG_ARM
     if (L2() == 0 && L3() == 0) {
         return BasicCpuInfo::threads(algorithm, limit);
     }
@@ -263,11 +264,35 @@ xmrig::CpuThreads xmrig::HwlocCpuInfo::threads(const Algorithm &algorithm, uint3
     }
 
     return threads;
+#   else
+    return allThreads(algorithm, limit);
+#   endif
 }
 
 
+xmrig::CpuThreads xmrig::HwlocCpuInfo::allThreads(const Algorithm &algorithm, uint32_t limit) const
+{
+    CpuThreads threads;
+    threads.reserve(m_threads);
+
+    hwloc_obj_t pu = nullptr;
+
+    while ((pu = hwloc_get_next_obj_by_type(m_topology, HWLOC_OBJ_PU, pu)) != nullptr) {
+        threads.add(pu->os_index, 0);
+    }
+
+    if (threads.isEmpty()) {
+        return BasicCpuInfo::threads(algorithm, limit);
+    }
+
+    return threads;
+}
+
+
+
 void xmrig::HwlocCpuInfo::processTopLevelCache(hwloc_obj_t cache, const Algorithm &algorithm, CpuThreads &threads, size_t limit) const
 {
+#   ifndef XMRIG_ARM
     constexpr size_t oneMiB = 1024U * 1024U;
 
     size_t PUs = countByType(cache, HWLOC_OBJ_PU);
@@ -318,12 +343,6 @@ void xmrig::HwlocCpuInfo::processTopLevelCache(hwloc_obj_t cache, const Algorith
     }
 #   endif
 
-#   ifdef XMRIG_ALGO_CN_GPU
-    if (algorithm == Algorithm::CN_GPU) {
-        cacheHashes = PUs;
-    }
-#   endif
-
 #   ifdef XMRIG_ALGO_RANDOMX
     if (extra == 0 && algorithm.l2() > 0) {
         cacheHashes = std::min<size_t>(std::max<size_t>(L2 / algorithm.l2(), cores.size()), cacheHashes);
@@ -372,4 +391,5 @@ void xmrig::HwlocCpuInfo::processTopLevelCache(hwloc_obj_t cache, const Algorith
 
         pu_id++;
     }
+#   endif
 }

src/backend/cpu/platform/HwlocCpuInfo.h

@@ -70,6 +70,7 @@ protected:
     inline size_t packages() const override         { return m_packages; }
 
 private:
+    CpuThreads allThreads(const Algorithm &algorithm, uint32_t limit) const;
     void processTopLevelCache(hwloc_obj_t obj, const Algorithm &algorithm, CpuThreads &threads, size_t limit) const;
 
 

src/backend/cpu/platform/lscpu_arm.cpp

@@ -0,0 +1,316 @@
+/* XMRig
+ * Copyright (c) 2018      Riku Voipio <riku.voipio@iki.fi>
+ * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2020 XMRig       <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "base/tools/String.h"
+#include "3rdparty/fmt/core.h"
+
+
+#include <cstdio>
+#include <cctype>
+
+
+namespace xmrig {
+
+
+struct lscpu_desc
+{
+    String vendor;
+    String model;
+
+    inline bool isReady() const { return !vendor.isNull() && !model.isNull(); }
+};
+
+
+struct id_part {
+    const int id;
+    const char *name;
+};
+
+
+struct hw_impl {
+   const int id;
+   const id_part *parts;
+   const char *name;
+};
+
+
+static const id_part arm_part[] = {
+    { 0x810, "ARM810" },
+    { 0x920, "ARM920" },
+    { 0x922, "ARM922" },
+    { 0x926, "ARM926" },
+    { 0x940, "ARM940" },
+    { 0x946, "ARM946" },
+    { 0x966, "ARM966" },
+    { 0xa20, "ARM1020" },
+    { 0xa22, "ARM1022" },
+    { 0xa26, "ARM1026" },
+    { 0xb02, "ARM11 MPCore" },
+    { 0xb36, "ARM1136" },
+    { 0xb56, "ARM1156" },
+    { 0xb76, "ARM1176" },
+    { 0xc05, "Cortex-A5" },
+    { 0xc07, "Cortex-A7" },
+    { 0xc08, "Cortex-A8" },
+    { 0xc09, "Cortex-A9" },
+    { 0xc0d, "Cortex-A17" }, /* Originally A12 */
+    { 0xc0f, "Cortex-A15" },
+    { 0xc0e, "Cortex-A17" },
+    { 0xc14, "Cortex-R4" },
+    { 0xc15, "Cortex-R5" },
+    { 0xc17, "Cortex-R7" },
+    { 0xc18, "Cortex-R8" },
+    { 0xc20, "Cortex-M0" },
+    { 0xc21, "Cortex-M1" },
+    { 0xc23, "Cortex-M3" },
+    { 0xc24, "Cortex-M4" },
+    { 0xc27, "Cortex-M7" },
+    { 0xc60, "Cortex-M0+" },
+    { 0xd01, "Cortex-A32" },
+    { 0xd03, "Cortex-A53" },
+    { 0xd04, "Cortex-A35" },
+    { 0xd05, "Cortex-A55" },
+    { 0xd07, "Cortex-A57" },
+    { 0xd08, "Cortex-A72" },
+    { 0xd09, "Cortex-A73" },
+    { 0xd0a, "Cortex-A75" },
+    { 0xd0b, "Cortex-A76" },
+    { 0xd0c, "Neoverse-N1" },
+    { 0xd13, "Cortex-R52" },
+    { 0xd20, "Cortex-M23" },
+    { 0xd21, "Cortex-M33" },
+    { 0xd4a, "Neoverse-E1" },
+    { -1, nullptr },
+};
+
+static const id_part brcm_part[] = {
+    { 0x0f, "Brahma B15" },
+    { 0x100, "Brahma B53" },
+    { 0x516, "ThunderX2" },
+    { -1, nullptr },
+};
+
+static const id_part dec_part[] = {
+    { 0xa10, "SA110" },
+    { 0xa11, "SA1100" },
+    { -1, nullptr },
+};
+
+static const id_part cavium_part[] = {
+    { 0x0a0, "ThunderX" },
+    { 0x0a1, "ThunderX 88XX" },
+    { 0x0a2, "ThunderX 81XX" },
+    { 0x0a3, "ThunderX 83XX" },
+    { 0x0af, "ThunderX2 99xx" },
+    { -1, nullptr },
+};
+
+static const id_part apm_part[] = {
+    { 0x000, "X-Gene" },
+    { -1, nullptr },
+};
+
+static const id_part qcom_part[] = {
+    { 0x00f, "Scorpion" },
+    { 0x02d, "Scorpion" },
+    { 0x04d, "Krait" },
+    { 0x06f, "Krait" },
+    { 0x201, "Kryo" },
+    { 0x205, "Kryo" },
+    { 0x211, "Kryo" },
+    { 0x800, "Falkor V1/Kryo" },
+    { 0x801, "Kryo V2" },
+    { 0xc00, "Falkor" },
+    { 0xc01, "Saphira" },
+    { -1, nullptr },
+};
+
+static const id_part samsung_part[] = {
+    { 0x001, "exynos-m1" },
+    { -1, nullptr },
+};
+
+static const id_part nvidia_part[] = {
+    { 0x000, "Denver" },
+    { 0x003, "Denver 2" },
+    { -1, nullptr },
+};
+
+static const id_part marvell_part[] = {
+    { 0x131, "Feroceon 88FR131" },
+    { 0x581, "PJ4/PJ4b" },
+    { 0x584, "PJ4B-MP" },
+    { -1, nullptr },
+};
+
+static const id_part faraday_part[] = {
+    { 0x526, "FA526" },
+    { 0x626, "FA626" },
+    { -1, nullptr },
+};
+
+static const id_part intel_part[] = {
+    { 0x200, "i80200" },
+    { 0x210, "PXA250A" },
+    { 0x212, "PXA210A" },
+    { 0x242, "i80321-400" },
+    { 0x243, "i80321-600" },
+    { 0x290, "PXA250B/PXA26x" },
+    { 0x292, "PXA210B" },
+    { 0x2c2, "i80321-400-B0" },
+    { 0x2c3, "i80321-600-B0" },
+    { 0x2d0, "PXA250C/PXA255/PXA26x" },
+    { 0x2d2, "PXA210C" },
+    { 0x411, "PXA27x" },
+    { 0x41c, "IPX425-533" },
+    { 0x41d, "IPX425-400" },
+    { 0x41f, "IPX425-266" },
+    { 0x682, "PXA32x" },
+    { 0x683, "PXA930/PXA935" },
+    { 0x688, "PXA30x" },
+    { 0x689, "PXA31x" },
+    { 0xb11, "SA1110" },
+    { 0xc12, "IPX1200" },
+    { -1, nullptr },
+};
+
+static const id_part hisi_part[] = {
+    { 0xd01, "Kunpeng-920" }, /* aka tsv110 */
+    { -1, nullptr },
+};
+
+
+static const hw_impl hw_implementer[] = {
+    { 0x41, arm_part,     "ARM" },
+    { 0x42, brcm_part,    "Broadcom" },
+    { 0x43, cavium_part,  "Cavium" },
+    { 0x44, dec_part,     "DEC" },
+    { 0x48, hisi_part,    "HiSilicon" },
+    { 0x4e, nvidia_part,  "Nvidia" },
+    { 0x50, apm_part,     "APM" },
+    { 0x51, qcom_part,    "Qualcomm" },
+    { 0x53, samsung_part, "Samsung" },
+    { 0x56, marvell_part, "Marvell" },
+    { 0x66, faraday_part, "Faraday" },
+    { 0x69, intel_part,   "Intel" }
+};
+
+
+static bool lookup(char *line, const char *pattern, String &value)
+{
+    if (!*line || !value.isNull()) {
+        return false;
+    }
+
+    char *p;
+    int len = strlen(pattern);
+
+    if (strncmp(line, pattern, len) != 0) {
+        return false;
+    }
+
+    for (p = line + len; isspace(*p); p++);
+
+    if (*p != ':') {
+        return false;
+    }
+
+    for (++p; isspace(*p); p++);
+
+    if (!*p) {
+        return false;
+    }
+
+    const char *v = p;
+
+    len = strlen(line) - 1;
+    for (p = line + len; isspace(*(p-1)); p--);
+    *p = '\0';
+
+    value = v;
+
+    return true;
+}
+
+
+static bool read_basicinfo(lscpu_desc *desc)
+{
+    auto fp = fopen("/proc/cpuinfo", "r");
+    if (!fp) {
+        return false;
+    }
+
+    char buf[BUFSIZ];
+    while (fgets(buf, sizeof(buf), fp) != nullptr) {
+        if (!lookup(buf, "CPU implementer", desc->vendor)) {
+            lookup(buf, "CPU part", desc->model);
+        }
+
+        if (desc->isReady()) {
+            break;
+        }
+    }
+
+    fclose(fp);
+
+    return desc->isReady();
+}
+
+
+static bool arm_cpu_decode(lscpu_desc *desc)
+{
+    if ((strncmp(desc->vendor, "0x", 2) != 0 || strncmp(desc->model, "0x", 2) != 0)) {
+        return false;
+    }
+
+    const int vendor = strtol(desc->vendor, nullptr, 0);
+    const int model  = strtol(desc->model, nullptr, 0);
+
+    for (const auto &impl : hw_implementer) {
+        if (impl.id != vendor) {
+            continue;
+        }
+
+        for (size_t i = 0; impl.parts[i].id != -1; ++i) {
+            if (impl.parts[i].id == model) {
+                desc->vendor = impl.name;
+                desc->model  = impl.parts[i].name;
+
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+
+String cpu_name_arm()
+{
+    lscpu_desc desc;
+    if (read_basicinfo(&desc) && arm_cpu_decode(&desc)) {
+        return fmt::format("{} {}", desc.vendor, desc.model).c_str();
+    }
+
+    return {};
+}
+
+
+} // namespace xmrig

src/backend/cuda/CudaBackend.cpp

@@ -39,6 +39,7 @@
 #include "backend/cuda/wrappers/CudaDevice.h"
 #include "backend/cuda/wrappers/CudaLib.h"
 #include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
 #include "base/net/stratum/Job.h"
 #include "base/tools/Chrono.h"
 #include "base/tools/String.h"
@@ -51,6 +52,12 @@
 #endif
 
 
+#ifdef XMRIG_ALGO_KAWPOW
+#   include "crypto/kawpow/KPCache.h"
+#   include "crypto/kawpow/KPHash.h"
+#endif
+
+
 #ifdef XMRIG_FEATURE_API
 #   include "base/api/interfaces/IApiRequest.h"
 #endif
@@ -71,7 +78,6 @@ extern template class Threads<CudaThreads>;
 
 constexpr const size_t oneMiB   = 1024U * 1024U;
 static const char *kLabel       = "CUDA";
-static const char *tag          = GREEN_BG_BOLD(WHITE_BOLD_S " nv  ");
 static const String kType       = "cuda";
 static std::mutex mutex;
 
@@ -107,13 +113,13 @@ public:
     inline void print() const
     {
         if (m_started == 0) {
-            LOG_ERR("%s " RED_BOLD("disabled") YELLOW(" (failed to start threads)"), tag);
+            LOG_ERR("%s " RED_BOLD("disabled") YELLOW(" (failed to start threads)"), Tags::nvidia());
 
             return;
         }
 
         LOG_INFO("%s" GREEN_BOLD(" READY") " threads " "%s%zu/%zu" BLACK_BOLD(" (%" PRIu64 " ms)"),
-                 tag,
+                 Tags::nvidia(),
                  m_errors == 0 ? CYAN_BOLD_S : YELLOW_BOLD_S,
                  m_started,
                  m_threads,
@@ -146,7 +152,9 @@ public:
         }
 
         if (!CudaLib::init(cuda.loader())) {
-            return printDisabled(kLabel, RED_S " (failed to load CUDA plugin)");
+            Log::print(GREEN_BOLD(" * ") WHITE_BOLD("%-13s") RED_BOLD("disabled ") RED("(%s)"), kLabel, CudaLib::lastError());
+
+            return;
         }
 
         runtimeVersion = CudaLib::runtimeVersion();
@@ -205,17 +213,17 @@ public:
     }
 
 
-    inline void start(const Job &)
+    inline void start(const Job &job)
     {
         LOG_INFO("%s use profile " BLUE_BG(WHITE_BOLD_S " %s ") WHITE_BOLD_S " (" CYAN_BOLD("%zu") WHITE_BOLD(" thread%s)") " scratchpad " CYAN_BOLD("%zu KB"),
-                 tag,
+                 Tags::nvidia(),
                  profileName.data(),
                  threads.size(),
                  threads.size() > 1 ? "s" : "",
                  algo.l3() / 1024
                  );
 
-        Log::print(WHITE_BOLD("|  # | GPU |  BUS ID |    I |   T |   B | BF |  BS |  MEM | NAME"));
+        Log::print(WHITE_BOLD("|  # | GPU |  BUS ID | INTENSITY | THREADS | BLOCKS | BF |  BS | MEMORY | NAME"));
 
         size_t algo_l3 = algo.l3();
 
@@ -227,8 +235,17 @@ public:
 
         size_t i = 0;
         for (const auto &data : threads) {
-            Log::print("|" CYAN_BOLD("%3zu") " |" CYAN_BOLD("%4u") " |" YELLOW(" %7s") " |" CYAN_BOLD("%5d") " |" CYAN_BOLD("%4d") " |"
-                       CYAN_BOLD("%4d") " |" CYAN_BOLD("%3d") " |" CYAN_BOLD("%4d") " |" CYAN("%5zu") " | " GREEN("%s"),
+            size_t mem_used = (data.thread.threads() * data.thread.blocks()) * algo_l3 / oneMiB;
+
+#           ifdef XMRIG_ALGO_KAWPOW
+            if (algo.family() == Algorithm::KAWPOW) {
+                const uint32_t epoch = job.height() / KPHash::EPOCH_LENGTH;
+                mem_used = (KPCache::dag_size(epoch) + oneMiB - 1) / oneMiB;
+            }
+#           endif
+
+            Log::print("|" CYAN_BOLD("%3zu") " |" CYAN_BOLD("%4u") " |" YELLOW(" %7s") " |" CYAN_BOLD("%10d") " |" CYAN_BOLD("%8d") " |"
+                       CYAN_BOLD("%7d") " |" CYAN_BOLD("%3d") " |" CYAN_BOLD("%4d") " |" CYAN("%7zu") " | " GREEN("%s"),
                        i,
                        data.thread.index(),
                        data.device.topology().toString().data(),
@@ -237,7 +254,7 @@ public:
                        data.thread.blocks(),
                        data.thread.bfactor(),
                        data.thread.bsleep(),
-                       (data.thread.threads() * data.thread.blocks()) * algo_l3 / oneMiB,
+                       mem_used,
                        data.device.name().data()
                        );
 
@@ -268,7 +285,7 @@ public:
             }
 
             LOG_INFO("%s" CYAN_BOLD(" #%u") YELLOW(" %s") MAGENTA_BOLD("%4uW") CSI "1;%um %2uC" CLEAR WHITE_BOLD("%s") "%s",
-                     tag,
+                     Tags::nvidia(),
                      device.index(),
                      device.topology().toString().data(),
                      health.power,
@@ -299,7 +316,7 @@ public:
 
 const char *xmrig::cuda_tag()
 {
-    return tag;
+    return Tags::nvidia();
 }
 
 
@@ -357,8 +374,11 @@ void xmrig::CudaBackend::execCommand(char)
 }
 
 
-void xmrig::CudaBackend::prepare(const Job &)
+void xmrig::CudaBackend::prepare(const Job &job)
 {
+    if (d_ptr) {
+        d_ptr->workers.jobEarlyNotification(job);
+    }
 }
 
 
@@ -368,18 +388,30 @@ void xmrig::CudaBackend::printHashrate(bool details)
         return;
     }
 
-    char num[8 * 3] = { 0 };
+    char num[16 * 3] = { 0 };
 
-    Log::print(WHITE_BOLD_S "|   CUDA # | AFFINITY | 10s H/s | 60s H/s | 15m H/s |");
+    const double hashrate_short  = hashrate()->calc(Hashrate::ShortInterval);
+    const double hashrate_medium = hashrate()->calc(Hashrate::MediumInterval);
+    const double hashrate_large  = hashrate()->calc(Hashrate::LargeInterval);
+
+    double scale = 1.0;
+    const char* h = " H/s";
+
+    if ((hashrate_short >= 1e6) || (hashrate_medium >= 1e6) || (hashrate_large >= 1e6)) {
+        scale = 1e-6;
+        h = "MH/s";
+    }
+
+    Log::print(WHITE_BOLD_S "|   CUDA # | AFFINITY | 10s %s | 60s %s | 15m %s |", h, h, h);
 
     size_t i = 0;
-    for (const auto &data : d_ptr->threads) {
-         Log::print("| %8zu | %8" PRId64 " | %7s | %7s | %7s |" CYAN_BOLD(" #%u") YELLOW(" %s") GREEN(" %s"),
+    for (const auto& data : d_ptr->threads) {
+         Log::print("| %8zu | %8" PRId64 " | %8s | %8s | %8s |" CYAN_BOLD(" #%u") YELLOW(" %s") GREEN(" %s"),
                     i,
                     data.thread.affinity(),
-                    Hashrate::format(hashrate()->calc(i, Hashrate::ShortInterval),  num,         sizeof num / 3),
-                    Hashrate::format(hashrate()->calc(i, Hashrate::MediumInterval), num + 8,     sizeof num / 3),
-                    Hashrate::format(hashrate()->calc(i, Hashrate::LargeInterval),  num + 8 * 2, sizeof num / 3),
+                    Hashrate::format(hashrate()->calc(i + 1, Hashrate::ShortInterval)  * scale, num,          sizeof num / 3),
+                    Hashrate::format(hashrate()->calc(i + 1, Hashrate::MediumInterval) * scale, num + 16,      sizeof num / 3),
+                    Hashrate::format(hashrate()->calc(i + 1, Hashrate::LargeInterval)  * scale, num + 16 * 2, sizeof num / 3),
                     data.device.index(),
                     data.device.topology().toString().data(),
                     data.device.name().data()
@@ -388,10 +420,10 @@ void xmrig::CudaBackend::printHashrate(bool details)
          i++;
     }
 
-    Log::print(WHITE_BOLD_S "|        - |        - | %7s | %7s | %7s |",
-               Hashrate::format(hashrate()->calc(Hashrate::ShortInterval),  num,         sizeof num / 3),
-               Hashrate::format(hashrate()->calc(Hashrate::MediumInterval), num + 8,     sizeof num / 3),
-               Hashrate::format(hashrate()->calc(Hashrate::LargeInterval),  num + 8 * 2, sizeof num / 3)
+    Log::print(WHITE_BOLD_S "|        - |        - | %8s | %8s | %8s |",
+               Hashrate::format(hashrate_short  * scale, num,          sizeof num / 3),
+               Hashrate::format(hashrate_medium * scale, num + 16,     sizeof num / 3),
+               Hashrate::format(hashrate_large  * scale, num + 16 * 2, sizeof num / 3)
                );
 }
 
@@ -424,7 +456,7 @@ void xmrig::CudaBackend::setJob(const Job &job)
     d_ptr->profileName  = cuda.threads().profileName(job.algorithm());
 
     if (d_ptr->profileName.isNull() || threads.empty()) {
-        LOG_WARN("%s " RED_BOLD("disabled") YELLOW(" (no suitable configuration found)"), tag);
+        LOG_WARN("%s " RED_BOLD("disabled") YELLOW(" (no suitable configuration found)"), Tags::nvidia());
 
         return stop();
     }
@@ -465,13 +497,13 @@ void xmrig::CudaBackend::stop()
     d_ptr->workers.stop();
     d_ptr->threads.clear();
 
-    LOG_INFO("%s" YELLOW(" stopped") BLACK_BOLD(" (%" PRIu64 " ms)"), tag, Chrono::steadyMSecs() - ts);
+    LOG_INFO("%s" YELLOW(" stopped") BLACK_BOLD(" (%" PRIu64 " ms)"), Tags::nvidia(), Chrono::steadyMSecs() - ts);
 }
 
 
-void xmrig::CudaBackend::tick(uint64_t ticks)
+bool xmrig::CudaBackend::tick(uint64_t ticks)
 {
-    d_ptr->workers.tick(ticks);
+    return d_ptr->workers.tick(ticks);
 }
 
 

src/backend/cuda/CudaBackend.h

@@ -63,13 +63,18 @@ protected:
     void setJob(const Job &job) override;
     void start(IWorker *worker, bool ready) override;
     void stop() override;
-    void tick(uint64_t ticks) override;
+    bool tick(uint64_t ticks) override;
 
 #   ifdef XMRIG_FEATURE_API
     rapidjson::Value toJSON(rapidjson::Document &doc) const override;
     void handleRequest(IApiRequest &request) override;
 #   endif
 
+#   ifdef XMRIG_FEATURE_BENCHMARK
+    inline Benchmark *benchmark() const override        { return nullptr; }
+    inline void printBenchProgress() const override     {}
+#   endif
+
 private:
     CudaBackendPrivate *d_ptr;
 };

src/backend/cuda/CudaConfig.cpp

@@ -181,6 +181,7 @@ void xmrig::CudaConfig::generate()
     count += xmrig::generate<Algorithm::CN_PICO>(m_threads, devices);
     count += xmrig::generate<Algorithm::RANDOM_X>(m_threads, devices);
     count += xmrig::generate<Algorithm::ASTROBWT>(m_threads, devices);
+    count += xmrig::generate<Algorithm::KAWPOW>(m_threads, devices);
 
     generated    = true;
     m_shouldSave = count > 0;

src/backend/cuda/CudaConfig_gen.h

@@ -64,10 +64,6 @@ size_t inline generate<Algorithm::CN>(Threads<CudaThreads> &threads, const std::
         count++;
     }
 
-#   ifdef XMRIG_ALGO_CN_GPU
-    count += generate("cn/gpu", threads, Algorithm::CN_GPU, devices);
-#   endif
-
     return count;
 }
 
@@ -145,6 +141,15 @@ size_t inline generate<Algorithm::ASTROBWT>(Threads<CudaThreads> &threads, const
 #endif
 
 
+#ifdef XMRIG_ALGO_KAWPOW
+template<>
+size_t inline generate<Algorithm::KAWPOW>(Threads<CudaThreads> &threads, const std::vector<CudaDevice> &devices)
+{
+    return generate("kawpow", threads, Algorithm::KAWPOW_RVN, devices);
+}
+#endif
+
+
 } /* namespace xmrig */
 
 

src/backend/cuda/CudaLaunchData.cpp

@@ -30,9 +30,9 @@
 
 xmrig::CudaLaunchData::CudaLaunchData(const Miner *miner, const Algorithm &algorithm, const CudaThread &thread, const CudaDevice &device) :
     algorithm(algorithm),
-    miner(miner),
     device(device),
-    thread(thread)
+    thread(thread),
+    miner(miner)
 {
 }
 

src/backend/cuda/CudaLaunchData.h

@@ -54,9 +54,10 @@ public:
     static const char *tag();
 
     const Algorithm algorithm;
-    const Miner *miner;
     const CudaDevice &device;
     const CudaThread thread;
+    const Miner *miner;
+    const uint32_t benchSize = 0;
 };
 
 

src/backend/cuda/CudaWorker.cpp

@@ -27,6 +27,7 @@
 #include "backend/cuda/CudaWorker.h"
 #include "backend/common/Tags.h"
 #include "backend/cuda/runners/CudaCnRunner.h"
+#include "backend/cuda/wrappers/CudaDevice.h"
 #include "base/io/log/Log.h"
 #include "base/tools/Chrono.h"
 #include "core/Miner.h"
@@ -44,6 +45,11 @@
 #endif
 
 
+#ifdef XMRIG_ALGO_KAWPOW
+#   include "backend/cuda/runners/CudaKawPowRunner.h"
+#endif
+
+
 #include <cassert>
 #include <thread>
 
@@ -56,7 +62,6 @@ std::atomic<bool> CudaWorker::ready;
 
 
 static inline bool isReady()                         { return !Nonce::isPaused() && CudaWorker::ready; }
-static inline uint32_t roundSize(uint32_t intensity) { return kReserveCount / intensity + 1; }
 
 
 } // namespace xmrig
@@ -66,7 +71,8 @@ static inline uint32_t roundSize(uint32_t intensity) { return kReserveCount / in
 xmrig::CudaWorker::CudaWorker(size_t id, const CudaLaunchData &data) :
     Worker(id, data.thread.affinity(), -1),
     m_algorithm(data.algorithm),
-    m_miner(data.miner)
+    m_miner(data.miner),
+    m_deviceIndex(data.device.index())
 {
     switch (m_algorithm.family()) {
     case Algorithm::RANDOM_X:
@@ -84,6 +90,12 @@ xmrig::CudaWorker::CudaWorker(size_t id, const CudaLaunchData &data) :
 #       endif
         break;
 
+    case Algorithm::KAWPOW:
+#       ifdef XMRIG_ALGO_KAWPOW
+        m_runner = new CudaKawPowRunner(id, data);
+#       endif
+        break;
+
     default:
         m_runner = new CudaCnRunner(id, data);
         break;
@@ -107,6 +119,20 @@ xmrig::CudaWorker::~CudaWorker()
 }
 
 
+uint64_t xmrig::CudaWorker::rawHashes() const
+{
+    return m_hashrateData.interpolate(Chrono::steadyMSecs());
+}
+
+
+void xmrig::CudaWorker::jobEarlyNotification(const Job& job)
+{
+    if (m_runner) {
+        m_runner->jobEarlyNotification(job);
+    }
+}
+
+
 bool xmrig::CudaWorker::selfTest()
 {
     return m_runner != nullptr;
@@ -138,7 +164,7 @@ void xmrig::CudaWorker::start()
         }
 
         while (!Nonce::isOutdated(Nonce::CUDA, m_job.sequence())) {
-            uint32_t foundNonce[10] = { 0 };
+            uint32_t foundNonce[16] = { 0 };
             uint32_t foundCount     = 0;
 
             if (!m_runner->run(*m_job.nonce(), &foundCount, foundNonce)) {
@@ -146,11 +172,10 @@ void xmrig::CudaWorker::start()
             }
 
             if (foundCount) {
-                JobResults::submit(m_job.currentJob(), foundNonce, foundCount);
+                JobResults::submit(m_job.currentJob(), foundNonce, foundCount, m_deviceIndex);
             }
 
-            const size_t batch_size = intensity();
-            if (!m_job.nextRound(roundSize(batch_size), batch_size)) {
+            if (!Nonce::isOutdated(Nonce::CUDA, m_job.sequence()) && !m_job.nextRound(1, intensity())) {
                 JobResults::done(m_job.currentJob());
             }
 
@@ -171,10 +196,9 @@ bool xmrig::CudaWorker::consumeJob()
         return false;
     }
 
-    const size_t batch_size = intensity();
-    m_job.add(m_miner->job(), roundSize(batch_size) * batch_size, Nonce::CUDA);
+    m_job.add(m_miner->job(), intensity(), Nonce::CUDA);
 
-    return m_runner->set(m_job.currentJob(), m_job.blob());;
+    return m_runner->set(m_job.currentJob(), m_job.blob());
 }
 
 
@@ -186,5 +210,8 @@ void xmrig::CudaWorker::storeStats()
 
     m_count += m_runner ? m_runner->processedHashes() : 0;
 
+    const uint64_t timeStamp = Chrono::steadyMSecs();
+    m_hashrateData.addDataPoint(m_count, timeStamp);
+
     Worker::storeStats();
 }

src/backend/cuda/CudaWorker.h

@@ -27,6 +27,7 @@
 #define XMRIG_CUDAWORKER_H
 
 
+#include "backend/common/HashrateInterpolator.h"
 #include "backend/common/Worker.h"
 #include "backend/common/WorkerJob.h"
 #include "backend/cuda/CudaLaunchData.h"
@@ -49,6 +50,9 @@ public:
 
     ~CudaWorker() override;
 
+    uint64_t rawHashes() const override;
+    void jobEarlyNotification(const Job&) override;
+
     static std::atomic<bool> ready;
 
 protected:
@@ -64,6 +68,9 @@ private:
     const Miner *m_miner;
     ICudaRunner *m_runner = nullptr;
     WorkerJob<1> m_job;
+    uint32_t m_deviceIndex;
+
+    HashrateInterpolator m_hashrateData;
 };
 
 

src/backend/cuda/cuda.cmake

@@ -1,3 +1,9 @@
+if (BUILD_STATIC AND XMRIG_OS_UNIX AND WITH_CUDA)
+    message(WARNING "CUDA backend is not compatible with static build, use -DWITH_CUDA=OFF to suppress this warning")
+
+    set(WITH_CUDA OFF)
+endif()
+
 if (WITH_CUDA)
     add_definitions(/DXMRIG_FEATURE_CUDA)
 
@@ -52,6 +58,11 @@ if (WITH_CUDA)
        list(APPEND HEADERS_BACKEND_CUDA src/backend/cuda/runners/CudaAstroBWTRunner.h)
        list(APPEND SOURCES_BACKEND_CUDA src/backend/cuda/runners/CudaAstroBWTRunner.cpp)
    endif()
+
+   if (WITH_KAWPOW)
+       list(APPEND HEADERS_BACKEND_CUDA src/backend/cuda/runners/CudaKawPowRunner.h)
+       list(APPEND SOURCES_BACKEND_CUDA src/backend/cuda/runners/CudaKawPowRunner.cpp)
+   endif()
 else()
     remove_definitions(/DXMRIG_FEATURE_CUDA)
     remove_definitions(/DXMRIG_FEATURE_NVML)

src/backend/cuda/interfaces/ICudaRunner.h

@@ -52,6 +52,7 @@ public:
     virtual bool init()                                                             = 0;
     virtual bool run(uint32_t startNonce, uint32_t *rescount, uint32_t *resnonce)   = 0;
     virtual bool set(const Job &job, uint8_t *blob)                                 = 0;
+    virtual void jobEarlyNotification(const Job&)                                   = 0;
 };
 
 

src/backend/cuda/runners/CudaAstroBWTRunner.cpp

@@ -27,8 +27,6 @@
 #include "backend/cuda/CudaLaunchData.h"
 #include "backend/cuda/wrappers/CudaLib.h"
 #include "base/net/stratum/Job.h"
-#include "crypto/rx/Rx.h"
-#include "crypto/rx/RxDataset.h"
 
 
 constexpr uint32_t xmrig::CudaAstroBWTRunner::BWT_DATA_STRIDE;

src/backend/cuda/runners/CudaBaseRunner.h

@@ -52,6 +52,7 @@ protected:
     size_t intensity() const override;
     size_t roundSize() const override { return intensity(); }
     size_t processedHashes() const override { return intensity(); }
+    void jobEarlyNotification(const Job&) override {}
 
 protected:
     bool callWrapper(bool result) const;

src/backend/cuda/runners/CudaKawPowRunner.cpp

@@ -0,0 +1,87 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "backend/cuda/runners/CudaKawPowRunner.h"
+#include "3rdparty/libethash/data_sizes.h"
+#include "backend/cuda/CudaLaunchData.h"
+#include "backend/cuda/wrappers/CudaLib.h"
+#include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
+#include "base/net/stratum/Job.h"
+#include "base/tools/Chrono.h"
+#include "crypto/kawpow/KPCache.h"
+#include "crypto/kawpow/KPHash.h"
+
+
+xmrig::CudaKawPowRunner::CudaKawPowRunner(size_t index, const CudaLaunchData &data) :
+    CudaBaseRunner(index, data)
+{
+}
+
+
+bool xmrig::CudaKawPowRunner::run(uint32_t /*startNonce*/, uint32_t *rescount, uint32_t *resnonce)
+{
+    return callWrapper(CudaLib::kawPowHash(m_ctx, m_jobBlob, m_target, rescount, resnonce, &m_skippedHashes));
+}
+
+
+bool xmrig::CudaKawPowRunner::set(const Job &job, uint8_t *blob)
+{
+    if (!CudaBaseRunner::set(job, blob)) {
+        return false;
+    }
+
+    m_jobBlob = blob;
+
+    const uint64_t height = job.height();
+    const uint32_t epoch = height / KPHash::EPOCH_LENGTH;
+
+    KPCache& cache = KPCache::s_cache;
+    {
+        std::lock_guard<std::mutex> lock(KPCache::s_cacheMutex);
+        cache.init(epoch);
+    }
+
+    const uint64_t start_ms = Chrono::steadyMSecs();
+
+    const bool result = CudaLib::kawPowPrepare(m_ctx, cache.data(), cache.size(), cache.l1_cache(), cache.dag_size(epoch), height, dag_sizes);
+    if (!result) {
+        LOG_ERR("%s " YELLOW("KawPow") RED(" failed to initialize DAG: ") RED_BOLD("%s"), Tags::nvidia(), CudaLib::lastError(m_ctx));
+    }
+    else {
+        const int64_t dt = Chrono::steadyMSecs() - start_ms;
+        if (dt > 1000) {
+            LOG_INFO("%s " YELLOW("KawPow") " DAG for epoch " WHITE_BOLD("%u") " calculated " BLACK_BOLD("(%" PRIu64 "ms)"), Tags::nvidia(), epoch, dt);
+        }
+    }
+
+    return result;
+}
+
+
+void xmrig::CudaKawPowRunner::jobEarlyNotification(const Job&)
+{
+    CudaLib::kawPowStopHash(m_ctx);
+}

src/backend/cuda/runners/CudaKawPowRunner.h

@@ -22,49 +22,34 @@
  *   along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef XMRIG_OCLRYORUNNER_H
-#define XMRIG_OCLRYORUNNER_H
+#ifndef XMRIG_CUDAKAWPOWRUNNER_H
+#define XMRIG_CUDAKAWPOWRUNNER_H
 
 
-#include "backend/opencl/runners/OclBaseRunner.h"
+#include "backend/cuda/runners/CudaBaseRunner.h"
 
 
 namespace xmrig {
 
 
-class Cn00RyoKernel;
-class Cn0Kernel;
-class Cn1RyoKernel;
-class Cn2RyoKernel;
-
-
-class OclRyoRunner : public OclBaseRunner
+class CudaKawPowRunner : public CudaBaseRunner
 {
 public:
-    XMRIG_DISABLE_COPY_MOVE_DEFAULT(OclRyoRunner)
-
-    OclRyoRunner(size_t index, const OclLaunchData &data);
-
-    ~OclRyoRunner() override;
+    CudaKawPowRunner(size_t index, const CudaLaunchData &data);
 
 protected:
-    size_t bufferSize() const override;
-    void run(uint32_t nonce, uint32_t *hashOutput) override;
-    void set(const Job &job, uint8_t *blob) override;
-    void build() override;
-    void init() override;
+    bool run(uint32_t startNonce, uint32_t *rescount, uint32_t *resnonce) override;
+    bool set(const Job &job, uint8_t *blob) override;
+    size_t processedHashes() const override { return intensity() - m_skippedHashes; }
+    void jobEarlyNotification(const Job&) override;
 
 private:
-    cl_mem m_scratchpads    = nullptr;
-    cl_mem m_states         = nullptr;
-    Cn00RyoKernel *m_cn00   = nullptr;
-    Cn0Kernel *m_cn0        = nullptr;
-    Cn1RyoKernel *m_cn1     = nullptr;
-    Cn2RyoKernel *m_cn2     = nullptr;
+    uint8_t* m_jobBlob = nullptr;
+    uint32_t m_skippedHashes = 0;
 };
 
 
 } /* namespace xmrig */
 
 
-#endif // XMRIG_OCLRYORUNNER_H
+#endif // XMRIG_CUDAKAWPOWRUNNER_H

src/backend/cuda/wrappers/CudaLib.cpp

@@ -29,6 +29,8 @@
 
 #include "backend/cuda/wrappers/CudaLib.h"
 #include "base/io/Env.h"
+#include "base/io/log/Log.h"
+#include "base/kernel/Process.h"
 #include "crypto/rx/RxAlgo.h"
 
 
@@ -45,13 +47,20 @@ enum Version : uint32_t
 
 static uv_lib_t cudaLib;
 
+#if defined(__APPLE__)
+static String defaultLoader = "/System/Library/Frameworks/OpenCL.framework/OpenCL";
+#elif defined(_WIN32)
+static String defaultLoader = "xmrig-cuda.dll";
+#else
+static String defaultLoader = "libxmrig-cuda.so";
+#endif
+
 
 static const char *kAlloc                               = "alloc";
 static const char *kAstroBWTHash                        = "astroBWTHash";
 static const char *kAstroBWTPrepare                     = "astroBWTPrepare";
 static const char *kCnHash                              = "cnHash";
 static const char *kDeviceCount                         = "deviceCount";
-static const char *kDeviceInfo                          = "deviceInfo";
 static const char *kDeviceInfo_v2                       = "deviceInfo_v2";
 static const char *kDeviceInit                          = "deviceInit";
 static const char *kDeviceInt                           = "deviceInt";
@@ -64,9 +73,10 @@ static const char *kPluginVersion                       = "pluginVersion";
 static const char *kRelease                             = "release";
 static const char *kRxHash                              = "rxHash";
 static const char *kRxPrepare                           = "rxPrepare";
-static const char *kSetJob                              = "setJob";
+static const char *kKawPowHash                          = "kawPowHash";
+static const char *kKawPowPrepare_v2                    = "kawPowPrepare_v2";
+static const char *kKawPowStopHash                      = "kawPowStopHash";
 static const char *kSetJob_v2                           = "setJob_v2";
-static const char *kSymbolNotFound                      = "symbol not found";
 static const char *kVersion                             = "version";
 
 
@@ -75,7 +85,6 @@ using astroBWTHash_t                                    = bool (*)(nvid_ctx *, u
 using astroBWTPrepare_t                                 = bool (*)(nvid_ctx *, uint32_t);
 using cnHash_t                                          = bool (*)(nvid_ctx *, uint32_t, uint64_t, uint64_t, uint32_t *, uint32_t *);
 using deviceCount_t                                     = uint32_t (*)();
-using deviceInfo_t                                      = int32_t (*)(nvid_ctx *, int32_t, int32_t, int32_t, int32_t);
 using deviceInfo_v2_t                                   = bool (*)(nvid_ctx *, int32_t, int32_t, const char *, int32_t);
 using deviceInit_t                                      = bool (*)(nvid_ctx *);
 using deviceInt_t                                       = int32_t (*)(nvid_ctx *, CudaLib::DeviceProperty);
@@ -88,7 +97,9 @@ using pluginVersion_t                                   = const char * (*)();
 using release_t                                         = void (*)(nvid_ctx *);
 using rxHash_t                                          = bool (*)(nvid_ctx *, uint32_t, uint64_t, uint32_t *, uint32_t *);
 using rxPrepare_t                                       = bool (*)(nvid_ctx *, const void *, size_t, bool, uint32_t);
-using setJob_t                                          = bool (*)(nvid_ctx *, const void *, size_t, int32_t);
+using kawPowHash_t                                      = bool (*)(nvid_ctx *, uint8_t*, uint64_t, uint32_t *, uint32_t *, uint32_t *);
+using kawPowPrepare_v2_t                                = bool (*)(nvid_ctx *, const void *, size_t, const void *, size_t, uint32_t, const uint64_t*);
+using kawPowStopHash_t                                  = bool (*)(nvid_ctx *);
 using setJob_v2_t                                       = bool (*)(nvid_ctx *, const void *, size_t, const char *);
 using version_t                                         = uint32_t (*)(Version);
 
@@ -98,7 +109,6 @@ static astroBWTHash_t pAstroBWTHash                     = nullptr;
 static astroBWTPrepare_t pAstroBWTPrepare               = nullptr;
 static cnHash_t pCnHash                                 = nullptr;
 static deviceCount_t pDeviceCount                       = nullptr;
-static deviceInfo_t pDeviceInfo                         = nullptr;
 static deviceInfo_v2_t pDeviceInfo_v2                   = nullptr;
 static deviceInit_t pDeviceInit                         = nullptr;
 static deviceInt_t pDeviceInt                           = nullptr;
@@ -111,16 +121,19 @@ static pluginVersion_t pPluginVersion                   = nullptr;
 static release_t pRelease                               = nullptr;
 static rxHash_t pRxHash                                 = nullptr;
 static rxPrepare_t pRxPrepare                           = nullptr;
-static setJob_t pSetJob                                 = nullptr;
+static kawPowHash_t pKawPowHash                         = nullptr;
+static kawPowPrepare_v2_t pKawPowPrepare_v2             = nullptr;
+static kawPowStopHash_t pKawPowStopHash                 = nullptr;
 static setJob_v2_t pSetJob_v2                           = nullptr;
 static version_t pVersion                               = nullptr;
 
 
-#define DLSYM(x) if (uv_dlsym(&cudaLib, k##x, reinterpret_cast<void**>(&p##x)) == -1) { throw std::runtime_error(kSymbolNotFound); }
+#define DLSYM(x) if (uv_dlsym(&cudaLib, k##x, reinterpret_cast<void**>(&p##x)) == -1) { throw std::runtime_error(std::string("symbol not found: ") + k##x); }
 
 
 bool CudaLib::m_initialized = false;
 bool CudaLib::m_ready       = false;
+String CudaLib::m_error;
 String CudaLib::m_loader;
 
 
@@ -130,9 +143,22 @@ String CudaLib::m_loader;
 bool xmrig::CudaLib::init(const char *fileName)
 {
     if (!m_initialized) {
-        m_loader      = fileName == nullptr ? defaultLoader() : Env::expand(fileName);
-        m_ready       = uv_dlopen(m_loader, &cudaLib) == 0 && load();
         m_initialized = true;
+        m_loader      = fileName == nullptr ? defaultLoader : Env::expand(fileName);
+
+        if (!open()) {
+            return false;
+        }
+
+        try {
+            load();
+        } catch (std::exception &ex) {
+            m_error = (std::string(m_loader) + ": " + ex.what()).c_str();
+
+            return false;
+        }
+
+        m_ready = true;
     }
 
     return m_ready;
@@ -141,7 +167,7 @@ bool xmrig::CudaLib::init(const char *fileName)
 
 const char *xmrig::CudaLib::lastError() noexcept
 {
-    return uv_dlerror(&cudaLib);
+    return m_error;
 }
 
 
@@ -173,11 +199,7 @@ bool xmrig::CudaLib::deviceInfo(nvid_ctx *ctx, int32_t blocks, int32_t threads,
 {
     const Algorithm algo = RxAlgo::id(algorithm);
 
-    if (pDeviceInfo_v2) {
-        return pDeviceInfo_v2(ctx, blocks, threads, algo.isValid() ? algo.shortName() : nullptr, dataset_host);
-    }
-
-    return pDeviceInfo(ctx, blocks, threads, algo, dataset_host) == 0;
+    return pDeviceInfo_v2(ctx, blocks, threads, algo.isValid() ? algo.shortName() : nullptr, dataset_host);
 }
 
 
@@ -199,14 +221,29 @@ bool xmrig::CudaLib::rxPrepare(nvid_ctx *ctx, const void *dataset, size_t datase
 }
 
 
+bool xmrig::CudaLib::kawPowHash(nvid_ctx *ctx, uint8_t* job_blob, uint64_t target, uint32_t *rescount, uint32_t *resnonce, uint32_t *skipped_hashes) noexcept
+{
+    return pKawPowHash(ctx, job_blob, target, rescount, resnonce, skipped_hashes);
+}
+
+
+bool xmrig::CudaLib::kawPowPrepare(nvid_ctx *ctx, const void* cache, size_t cache_size, const void* dag_precalc, size_t dag_size, uint32_t height, const uint64_t* dag_sizes) noexcept
+{
+    return pKawPowPrepare_v2(ctx, cache, cache_size, dag_precalc, dag_size, height, dag_sizes);
+}
+
+
+bool xmrig::CudaLib::kawPowStopHash(nvid_ctx *ctx) noexcept
+{
+    return pKawPowStopHash(ctx);
+}
+
+
 bool xmrig::CudaLib::setJob(nvid_ctx *ctx, const void *data, size_t size, const Algorithm &algorithm) noexcept
 {
     const Algorithm algo = RxAlgo::id(algorithm);
-    if (pSetJob_v2) {
-        return pSetJob_v2(ctx, data, size, algo.shortName());
-    }
 
-    return pSetJob(ctx, data, size, algo);
+    return pSetJob_v2(ctx, data, size, algo.shortName());
 }
 
 
@@ -317,62 +354,62 @@ void xmrig::CudaLib::release(nvid_ctx *ctx) noexcept
 }
 
 
-bool xmrig::CudaLib::load()
+bool xmrig::CudaLib::open()
 {
-    if (uv_dlsym(&cudaLib, kVersion, reinterpret_cast<void**>(&pVersion)) == -1) {
+    m_error = nullptr;
+
+    if (uv_dlopen(m_loader, &cudaLib) == 0) {
+        return true;
+    }
+
+#   ifdef XMRIG_OS_LINUX
+    if (m_loader == defaultLoader) {
+        m_loader = Process::location(Process::ExeLocation, m_loader);
+    }
+    else {
         return false;
     }
 
-    if (pVersion(ApiVersion) != 3u) {
-        return false;
+    if (uv_dlopen(m_loader, &cudaLib) == 0) {
+        return true;
+    }
+#   endif
+
+    m_error = uv_dlerror(&cudaLib);
+
+    return false;
+}
+
+
+void xmrig::CudaLib::load()
+{
+    DLSYM(Version);
+
+    if (pVersion(ApiVersion) != 3U) {
+        throw std::runtime_error("API version mismatch");
     }
 
-    uv_dlsym(&cudaLib, kDeviceInfo_v2,  reinterpret_cast<void**>(&pDeviceInfo_v2));
-    uv_dlsym(&cudaLib, kSetJob_v2,      reinterpret_cast<void**>(&pSetJob_v2));
-
-    try {
-        DLSYM(Alloc);
-        DLSYM(CnHash);
-        DLSYM(DeviceCount);
-        DLSYM(DeviceInit);
-        DLSYM(DeviceInt);
-        DLSYM(DeviceName);
-        DLSYM(DeviceUint);
-        DLSYM(DeviceUlong);
-        DLSYM(Init);
-        DLSYM(LastError);
-        DLSYM(PluginVersion);
-        DLSYM(Release);
-        DLSYM(RxHash);
-        DLSYM(RxPrepare);
-        DLSYM(AstroBWTHash);
-        DLSYM(AstroBWTPrepare);
-        DLSYM(Version);
-
-        if (!pDeviceInfo_v2) {
-            DLSYM(DeviceInfo);
-        }
-
-        if (!pSetJob_v2) {
-            DLSYM(SetJob);
-        }
-    } catch (std::exception &ex) {
-        return false;
-    }
+    DLSYM(Alloc);
+    DLSYM(CnHash);
+    DLSYM(DeviceCount);
+    DLSYM(DeviceInit);
+    DLSYM(DeviceInt);
+    DLSYM(DeviceName);
+    DLSYM(DeviceUint);
+    DLSYM(DeviceUlong);
+    DLSYM(Init);
+    DLSYM(LastError);
+    DLSYM(PluginVersion);
+    DLSYM(Release);
+    DLSYM(RxHash);
+    DLSYM(RxPrepare);
+    DLSYM(AstroBWTHash);
+    DLSYM(AstroBWTPrepare);
+    DLSYM(KawPowHash);
+    DLSYM(KawPowPrepare_v2);
+    DLSYM(KawPowStopHash);
+    DLSYM(DeviceInfo_v2);
+    DLSYM(SetJob_v2);
 
     pInit();
-
-    return true;
-}
-
-
-xmrig::String xmrig::CudaLib::defaultLoader()
-{
-#   if defined(__APPLE__)
-    return "/System/Library/Frameworks/OpenCL.framework/OpenCL"; // FIXME
-#   elif defined(_WIN32)
-    return "xmrig-cuda.dll";
-#   else
-    return "libxmrig-cuda.so";
-#   endif
 }