Fixed KCN algo

This reverts commit 2d1d781efa.

.github/workflows/deploy.yml

@@ -0,0 +1,208 @@
+on:
+  push:
+    tags:
+    - 'v*'
+
+name: Create release and build artifacts
+
+jobs:
+  build_win:
+    name: Build Windows artifacts
+    runs-on: windows-2019
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@master
+      - name: Checkout deps
+        run:  git clone https://github.com/xmrig/xmrig-deps.git
+      - name: Build project on Windows
+        run: |
+          cmake . -G "MinGW Makefiles" -DXMRIG_DEPS=xmrig-deps\gcc\x64
+          make -j2
+          copy src\config.json .
+          copy bin\WinRing0\WinRing0x64.sys .
+          7z a -tzip -mx windows_build.zip xmrig.exe config.json WinRing0x64.sys
+      - name: Upload Windows build artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: windows_build
+          path: windows_build.zip
+
+  build_lin:
+    name: Build Ubuntu artifacts
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Prepare Ubuntu tools
+        run: |
+          sudo apt update
+          sudo apt install -y git build-essential cmake libuv1-dev libssl-dev libhwloc-dev
+      - name: Checkout code
+        uses: actions/checkout@master
+      - name: Build project on Ubuntu
+        run: |
+          cmake .
+          make -j$(nproc)
+          cp src/config.json .
+          tar cfz ubuntu_build.tar.gz xmrig config.json
+      - name: Upload Ubuntu build artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: ubuntu_build
+          path: ubuntu_build.tar.gz
+
+  build_macos:
+    name: Build MacOS artifacts
+    runs-on: macos-latest
+    steps:
+      - name: Prepare MacOS tools
+        run: |
+          brew install cmake libuv openssl hwloc
+      - name: Checkout code
+        uses: actions/checkout@master
+      - name: Build hwloc on MacOS
+        run: |
+          curl -O https://download.open-mpi.org/release/hwloc/v2.1/hwloc-2.1.0.tar.bz2
+          tar xjf hwloc-2.1.0.tar.bz2
+          cd hwloc-2.1.0
+          ./configure --disable-shared --enable-static --disable-io --disable-libxml2
+          make -j$(sysctl -n hw.logicalcpu)
+          cd ..
+      - name: Build project on MacOS
+        run: |
+          cmake . -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl -DHWLOC_INCLUDE_DIR=hwloc-2.1.0/include -DHWLOC_LIBRARY=hwloc-2.1.0/hwloc/.libs/libhwloc.a
+          make -j$(sysctl -n hw.logicalcpu)
+          cp src/config.json .
+          tar cfz macos_build.tar.gz xmrig config.json
+      - name: Upload MacOS build artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: macos_build
+          path: macos_build.tar.gz
+
+  build_lin_rh7:
+    name: Build CentOS 7 artifacts
+    runs-on: ubuntu-latest
+    container: centos:7
+    steps:
+      - name: Prepare CentOS 7 tools
+        run: |
+          yum install -y centos-release-scl epel-release
+          yum install -y devtoolset-9
+          yum install -y wget git cmake3 automake libtool autoconf libstdc++-static glibc-static perl-IPC-Cmd
+      - name: Checkout code
+        run: |
+          git clone https://github.com/MoneroOcean/xmrig.git .
+          git checkout ${GITHUB_REF:10}
+      - name: Build project on CentOS 7
+        run: |
+          source /opt/rh/devtoolset-9/enable
+          cd scripts
+          ./build_deps.sh
+          cd ..
+          cmake3 . -DXMRIG_DEPS=scripts/deps
+          make -j$(nproc)
+          cp src/config.json .
+          tar cfz centos7_build.tar.gz xmrig config.json
+      - name: Upload CentOS 7 build artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: centos7_build
+          path: centos7_build.tar.gz
+
+  deploy:
+    needs: [build_win, build_lin, build_macos, build_lin_rh7]
+    name: Create release and upload artifacts
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1.0.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+      - name: Set version
+        id: version
+        run: echo ::set-output name=VERSION::${GITHUB_REF:10}
+      - name: Download Windows build artifacts
+        uses: actions/download-artifact@v1
+        with:
+          name: windows_build
+      - name: Download Ubuntu build artifacts
+        uses: actions/download-artifact@v1
+        with:
+          name: ubuntu_build
+      - name: Download MacOS build artifacts
+        uses: actions/download-artifact@v1
+        with:
+          name: macos_build
+      - name: Download CentOS 7 build artifacts
+        uses: actions/download-artifact@v1
+        with:
+          name: centos7_build
+      - name: Upload Windows build release asset
+        uses: actions/upload-release-asset@v1.0.1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: windows_build/windows_build.zip
+          asset_name: xmrig-${{steps.version.outputs.VERSION}}-win64.zip
+          asset_content_type: application/zip
+      - name: Upload Ubuntu build release asset
+        uses: actions/upload-release-asset@v1.0.1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ubuntu_build/ubuntu_build.tar.gz
+          asset_name: xmrig-${{steps.version.outputs.VERSION}}-lin64.tar.gz
+          asset_content_type: application/zip
+      - name: Upload MacOS build release asset
+        uses: actions/upload-release-asset@v1.0.1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: macos_build/macos_build.tar.gz
+          asset_name: xmrig-${{steps.version.outputs.VERSION}}-mac64.tar.gz
+          asset_content_type: application/zip
+      - name: Upload CentOS 7 build release asset
+        uses: actions/upload-release-asset@v1.0.1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: centos7_build/centos7_build.tar.gz
+          asset_name: xmrig-${{steps.version.outputs.VERSION}}-lin64-compat.tar.gz
+          asset_content_type: application/zip
+      - name: Update xmrig_setup repo
+        run: |
+          git clone https://$GITHUB_ACTOR:${{secrets.xmrig_setup_key}}@github.com/MoneroOcean/xmrig_setup.git
+          cd xmrig_setup
+          git config user.name  MoneroOcean
+          git config user.email support@moneroocean.stream
+          cp ../centos7_build/centos7_build.tar.gz xmrig.tar.gz
+          cp ../windows_build/windows_build.zip xmrig.zip
+          unzip xmrig.zip
+          zip -u offline_miner_setup.zip xmrig.exe config.json WinRing0x64.sys
+          git commit -m "xmrig "${GITHUB_REF:10}" based release" xmrig.tar.gz xmrig.zip offline_miner_setup.zip
+          git push
+          cd ..
+      - name: Update hiveos repo
+        run: |
+          git clone https://$GITHUB_ACTOR:${{secrets.xmrig_setup_key}}@github.com/MoneroOcean/hiveos.git
+          cd hiveos
+          git config user.name  MoneroOcean
+          git config user.email support@moneroocean.stream
+          tar xf ../centos7_build/centos7_build.tar.gz
+          mv xmrig mo_xmrig/xmrig
+          mv config.json mo_xmrig/config_global.json
+          export VER=${GITHUB_REF:10}
+          export VER=${VER//-/_}
+          tar -zcvf mo_xmrig-$VER.tar.gz mo_xmrig
+          git add mo_xmrig-$VER.tar.gz mo_xmrig/xmrig mo_xmrig/config_global.json
+          git commit -m "xmrig "${GITHUB_REF:10}" based release" mo_xmrig-$VER.tar.gz
+          git push

.github/workflows/test.yml

@@ -0,0 +1,32 @@
+on: push
+
+name: Test builds
+
+jobs:
+  build_win:
+    name: Windows build
+    runs-on: windows-2019
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@master
+      - name: Checkout deps
+        run:  git clone https://github.com/xmrig/xmrig-deps.git
+      - name: Build project on Windows
+        run: |
+          cmake . -G "MinGW Makefiles" -DXMRIG_DEPS=xmrig-deps\gcc\x64
+          make -j2
+
+  build_lin:
+    name: Ubuntu build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Prepare Ubuntu tools
+        run: |
+          sudo apt update
+          sudo apt install -y git build-essential cmake libuv1-dev libssl-dev libhwloc-dev
+      - name: Checkout code
+        uses: actions/checkout@master
+      - name: Build project on Ubuntu
+        run: |
+          cmake .
+          make -j$(nproc)

CMakeLists.txt

@@ -6,6 +6,7 @@ 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_FEMTO        "Enable CryptoNight-UPX2 algorithm" ON)
+option(WITH_CN_GPU          "Enable CryptoNight-GPU algorithm" ON)
 option(WITH_RANDOMX         "Enable RandomX algorithms family" ON)
 option(WITH_ARGON2          "Enable Argon2 algorithms family" ON)
 option(WITH_KAWPOW          "Enable KawPow algorithms family" ON)
@@ -25,6 +26,7 @@ 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_MO_BENCHMARK    "Enable Benchmark module and algo-perf feature (for MoneroOcean)" ON)
 option(WITH_PROFILING       "Enable profiling for developers" OFF)
 option(WITH_SSE4_1          "Enable SSE 4.1 for Blake2" ON)
 option(WITH_AVX2            "Enable AVX2 for Blake2" ON)
@@ -129,8 +131,16 @@ set(SOURCES_CRYPTO
     src/crypto/common/MemoryPool.cpp
     src/crypto/common/Nonce.cpp
     src/crypto/common/VirtualMemory.cpp
+    src/crypto/flex/flex.cpp
    )
 
+if (WITH_MO_BENCHMARK)
+    list(APPEND SOURCES
+        src/core/MoBenchmark.cpp
+        )
+    add_definitions(/DXMRIG_FEATURE_MO_BENCHMARK)
+endif()
+
 if (CMAKE_C_COMPILER_ID MATCHES GNU)
     set_source_files_properties(src/crypto/cn/CnHash.cpp PROPERTIES COMPILE_FLAGS "-Ofast -fno-tree-vectorize")
 endif()
@@ -198,6 +208,7 @@ add_definitions(-D__STDC_FORMAT_MACROS -DUNICODE -D_FILE_OFFSET_BITS=64)
 find_package(UV REQUIRED)
 
 include(cmake/flags.cmake)
+include(cmake/cn-gpu.cmake)
 include(cmake/randomx.cmake)
 include(cmake/argon2.cmake)
 include(cmake/kawpow.cmake)

README.md

@@ -1,21 +1,21 @@
 # XMRig
 
-[![Github All Releases](https://img.shields.io/github/downloads/xmrig/xmrig/total.svg)](https://github.com/xmrig/xmrig/releases)
+[![Github All Releases](https://img.shields.io/github/downloads/xmrig/xmrig/total.svg)](https://github.com/MoneroOcean/xmrig/releases)
-[![GitHub release](https://img.shields.io/github/release/xmrig/xmrig/all.svg)](https://github.com/xmrig/xmrig/releases)
+[![GitHub release](https://img.shields.io/github/release/xmrig/xmrig/all.svg)](https://github.com/MoneroOcean/xmrig/releases)
-[![GitHub Release Date](https://img.shields.io/github/release-date/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/MoneroOcean/xmrig/releases)
-[![GitHub license](https://img.shields.io/github/license/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/blob/master/LICENSE)
+[![GitHub license](https://img.shields.io/github/license/xmrig/xmrig.svg)](https://github.com/MoneroOcean/xmrig/blob/master/LICENSE)
-[![GitHub stars](https://img.shields.io/github/stars/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/stargazers)
+[![GitHub stars](https://img.shields.io/github/stars/xmrig/xmrig.svg)](https://github.com/MoneroOcean/xmrig/stargazers)
-[![GitHub forks](https://img.shields.io/github/forks/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/network)
+[![GitHub forks](https://img.shields.io/github/forks/xmrig/xmrig.svg)](https://github.com/MoneroOcean/xmrig/network)
 
 XMRig is a high performance, open source, cross platform RandomX, KawPow, CryptoNight and [GhostRider](https://github.com/xmrig/xmrig/tree/master/src/crypto/ghostrider#readme) unified CPU/GPU miner and [RandomX benchmark](https://xmrig.com/benchmark). Official binaries are available for Windows, Linux, macOS and FreeBSD.
 
 ## Mining backends
 - **CPU** (x86/x64/ARMv7/ARMv8)
 - **OpenCL** for AMD GPUs.
-- **CUDA** for NVIDIA GPUs via external [CUDA plugin](https://github.com/xmrig/xmrig-cuda).
+- **CUDA** for NVIDIA GPUs via external [CUDA plugin](https://github.com/MoneroOcean/xmrig-cuda).
 
 ## Download
-* **[Binary releases](https://github.com/xmrig/xmrig/releases)**
+* **[Binary releases](https://github.com/MoneroOcean/xmrig/releases)**
 * **[Build from source](https://xmrig.com/docs/miner/build)**
 
 ## Usage

cmake/cn-gpu.cmake

@@ -0,0 +1,31 @@
+if (WITH_CN_GPU AND CMAKE_SIZEOF_VOID_P EQUAL 8)
+    add_definitions(/DXMRIG_ALGO_CN_GPU)
+
+    if (XMRIG_ARM)
+        list(APPEND SOURCES_CRYPTO
+            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()
+        list(APPEND SOURCES_CRYPTO
+            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 Intel)
+            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 "-O1")
+        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()
+
+else()
+    remove_definitions(/DXMRIG_ALGO_CN_GPU)
+endif()

cmake/randomx.cmake

@@ -40,6 +40,13 @@ if (WITH_RANDOMX)
         src/crypto/rx/RxDataset.cpp
         src/crypto/rx/RxQueue.cpp
         src/crypto/rx/RxVm.cpp
+		
+		### Removed useless includes		
+		src/crypto/randomx/panthera/sha256.c
+		src/crypto/randomx/panthera/KangarooTwelve.c
+		src/crypto/randomx/panthera/KeccakP-1600-reference.c
+		src/crypto/randomx/panthera/KeccakSpongeWidth1600.c
+		src/crypto/randomx/panthera/yespower-opt.c
     )
 
     if (WITH_ASM AND CMAKE_C_COMPILER_ID MATCHES MSVC)

doc/ALGORITHMS.md

@@ -28,6 +28,7 @@ Option `coin` useful for pools without [algorithm negotiation](https://xmrig.com
 | `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. |  |

doc/build/CMAKE_OPTIONS.md

@@ -6,6 +6,7 @@
 * **`-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`).
 

scripts/build.openssl.sh

@@ -8,7 +8,7 @@ mkdir -p deps/lib
 
 mkdir -p build && cd build
 
-wget https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz -O openssl-${OPENSSL_VERSION}.tar.gz
+wget --no-check-certificate https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz -O openssl-${OPENSSL_VERSION}.tar.gz
 tar -xzf openssl-${OPENSSL_VERSION}.tar.gz
 
 cd openssl-${OPENSSL_VERSION}

scripts/generate_cl.js

@@ -50,6 +50,7 @@ function rx()
         'randomx_constants_monero.h',
         'randomx_constants_wow.h',
         'randomx_constants_arqma.h',
+        'randomx_constants_equilibria.h',
         'randomx_constants_keva.h',
         'randomx_constants_graft.h',
         'aes.cl',
@@ -78,10 +79,20 @@ function kawpow()
 }
 
 
+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'));
+}
+
+
 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'));

src/App.cpp

@@ -85,6 +85,25 @@ int xmrig::App::exec()
         return 0;
     }
 
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    const std::vector<Pool>& pools = m_controller->config()->pools().data();
+    if (pools.size() != 1 || pools[0].mode() != Pool::MODE_BENCHMARK) {
+        m_controller->pre_start();
+        m_controller->config()->benchmark().set_controller(m_controller);
+
+        if (m_controller->config()->benchmark().isNewBenchRun() || m_controller->config()->isRebenchAlgo()) {
+            if (m_controller->config()->isShouldSave()) {
+                m_controller->config()->save();
+            }
+            if (m_controller->config()->isRebenchAlgo()) {
+                m_controller->config()->benchmark().flush_perf();
+            }
+            m_controller->config()->benchmark().start_perf();
+        } else {
+            m_controller->start();
+        }
+    } else
+#   endif
     m_controller->start();
 
     rc = uv_run(uv_default_loop(), UV_RUN_DEFAULT);

src/backend/common/Tags.h

@@ -46,6 +46,10 @@ const char *ocl_tag();
 const char *cuda_tag();
 #endif
 
+#ifdef XMRIG_FEATURE_MO_BENCHMARK
+const char *bm_tag();
+#endif
+
 
 } // namespace xmrig
 

src/backend/common/Threads.cpp

@@ -128,6 +128,8 @@ xmrig::String xmrig::Threads<T>::profileName(const Algorithm &algorithm, bool st
         }
     }
 
+    if (std::is_same<T, CpuThreads>::value && (name == "defyx" || name == "panthera") && has("rx")) return "rx";
+
     if (has(kAsterisk)) {
         return kAsterisk;
     }

src/backend/cpu/CpuBackend.cpp

@@ -36,6 +36,7 @@
 #include "crypto/common/VirtualMemory.h"
 #include "crypto/rx/Rx.h"
 #include "crypto/rx/RxDataset.h"
+#include "crypto/ghostrider/sph_keccak.h"
 
 
 #ifdef XMRIG_FEATURE_API
@@ -262,7 +263,7 @@ bool xmrig::CpuBackend::isEnabled() const
 
 bool xmrig::CpuBackend::isEnabled(const Algorithm &algorithm) const
 {
-    return !d_ptr->controller->config()->cpu().threads().get(algorithm).isEmpty();
+    return algorithm.isValid() && !d_ptr->controller->config()->cpu().threads().get(algorithm).isEmpty();
 }
 
 
@@ -359,6 +360,8 @@ void xmrig::CpuBackend::setJob(const Job &job)
     d_ptr->algo         = job.algorithm();
     d_ptr->profileName  = cpu.threads().profileName(job.algorithm());
 
+    hard_coded_eb = (d_ptr->algo.id() != Algorithm::FLEX_KCN) ? 1 : 6;
+
     if (d_ptr->profileName.isNull() || threads.empty()) {
         LOG_WARN("%s " RED_BOLD("disabled") YELLOW(" (no suitable configuration found)"), Tags::cpu());
 

src/backend/cpu/CpuConfig_gen.h

@@ -48,6 +48,10 @@ size_t inline generate<Algorithm::CN>(Threads<CpuThreads> &threads, uint32_t lim
     size_t count = 0;
 
     count += generate(Algorithm::kCN, threads, Algorithm::CN_1, limit);
+    count += generate(Algorithm::kCN_2, threads, Algorithm::CN_2, limit);
+#   ifdef XMRIG_ALGO_CN_GPU
+    count += generate(Algorithm::kCN_GPU, threads, Algorithm::CN_GPU, limit);
+#   endif
 
     if (!threads.isExist(Algorithm::CN_0)) {
         threads.disable(Algorithm::CN_0);
@@ -122,6 +126,17 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CpuThreads> &threads, uint32
         }
     }
 
+    if (!threads.isExist(Algorithm::RX_XEQ)) {
+        auto xeq = cpuInfo->threads(Algorithm::RX_XEQ, limit);
+        if (xeq == wow) {
+            threads.setAlias(Algorithm::RX_XEQ, Algorithm::kRX_WOW);
+            ++count;
+        }
+        else {
+            count += threads.move(Algorithm::kRX_XEQ, std::move(xeq));
+        }
+    }
+
     if (!threads.isExist(Algorithm::RX_KEVA)) {
         auto keva = cpuInfo->threads(Algorithm::RX_KEVA, limit);
         if (keva == wow) {
@@ -137,6 +152,10 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CpuThreads> &threads, uint32
         count += threads.move(Algorithm::kRX_WOW, std::move(wow));
     }
 
+    if (!threads.isExist(Algorithm::RX_XLA)) {
+        count += generate(Algorithm::kRX_XLA, threads, Algorithm::RX_XLA, limit);
+    }
+
     count += generate(Algorithm::kRX, threads, Algorithm::RX_0, limit);
 
     return count;
@@ -157,7 +176,10 @@ size_t inline generate<Algorithm::ARGON2>(Threads<CpuThreads> &threads, uint32_t
 template<>
 size_t inline generate<Algorithm::GHOSTRIDER>(Threads<CpuThreads>& threads, uint32_t limit)
 {
-    return generate(Algorithm::kGHOSTRIDER, threads, Algorithm::GHOSTRIDER_RTM, limit);
+    size_t count = 0;
+    count += threads.move(Algorithm::kGHOSTRIDER, std::move(Cpu::info()->threads(Algorithm::GHOSTRIDER_RTM, limit)));
+    count += threads.move(Algorithm::kFLEX, std::move(Cpu::info()->threads(Algorithm::FLEX_KCN, limit)));
+    return count;
 }
 #endif
 

src/backend/cpu/CpuWorker.cpp

@@ -37,6 +37,7 @@
 #include "crypto/rx/RxDataset.h"
 #include "crypto/rx/RxVm.h"
 #include "crypto/ghostrider/ghostrider.h"
+#include "crypto/flex/flex.h"
 #include "net/JobResults.h"
 
 
@@ -168,7 +169,13 @@ bool xmrig::CpuWorker<N>::selfTest()
 
 #   ifdef XMRIG_ALGO_GHOSTRIDER
     if (m_algorithm.family() == Algorithm::GHOSTRIDER) {
-        return (N == 8) && verify(Algorithm::GHOSTRIDER_RTM, test_output_gr);
+        switch (m_algorithm.id()) {
+            case Algorithm::GHOSTRIDER_RTM:
+                return (N == 8) && verify(Algorithm::GHOSTRIDER_RTM, test_output_gr);
+            case Algorithm::FLEX_KCN:
+                return (N == 1) && verify(Algorithm::FLEX_KCN, test_output_flex);
+            default:;
+        }
     }
 #   endif
 
@@ -184,8 +191,18 @@ bool xmrig::CpuWorker<N>::selfTest()
                         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);
+                        verify(Algorithm::CN_DOUBLE, test_output_double)
+#                       ifdef XMRIG_ALGO_CN_GPU
+                        &&
+                        verify(Algorithm::CN_GPU,    test_output_gpu)
+#                       endif
+                        ;
 
+#       ifdef XMRIG_ALGO_CN_GPU
+        if (! (!rc || N > 1)) {
+            return verify(Algorithm::CN_GPU, test_output_gpu);
+        } else
+#       endif
         return rc;
     }
 
@@ -291,12 +308,13 @@ void xmrig::CpuWorker<N>::start()
 #           ifdef XMRIG_ALGO_RANDOMX
             uint8_t* miner_signature_ptr = m_job.blob() + m_job.nonceOffset() + m_job.nonceSize();
             if (job.algorithm().family() == Algorithm::RANDOM_X) {
+
                 if (first) {
                     first = false;
                     if (job.hasMinerSignature()) {
                         job.generateMinerSignature(m_job.blob(), job.size(), miner_signature_ptr);
                     }
-                    randomx_calculate_hash_first(m_vm, tempHash, m_job.blob(), job.size());
+                    randomx_calculate_hash_first(m_vm, tempHash, m_job.blob(), job.size(), job.algorithm());
                 }
 
                 if (!nextRound()) {
@@ -307,7 +325,7 @@ void xmrig::CpuWorker<N>::start()
                     memcpy(miner_signature_saved, miner_signature_ptr, sizeof(miner_signature_saved));
                     job.generateMinerSignature(m_job.blob(), job.size(), miner_signature_ptr);
                 }
-                randomx_calculate_hash_next(m_vm, tempHash, m_job.blob(), job.size(), m_hash);
+                randomx_calculate_hash_next(m_vm, tempHash, m_job.blob(), job.size(), m_hash, job.algorithm());
             }
             else
 #           endif
@@ -316,11 +334,23 @@ void xmrig::CpuWorker<N>::start()
 
 #               ifdef XMRIG_ALGO_GHOSTRIDER
                 case Algorithm::GHOSTRIDER:
-                    if (N == 8) {
+                    switch (job.algorithm()) {
-                        ghostrider::hash_octa(m_job.blob(), job.size(), m_hash, m_ctx, m_ghHelper);
+                        case Algorithm::GHOSTRIDER_RTM:
-                    }
+                            if (N == 8) {
-                    else {
+                                ghostrider::hash_octa(m_job.blob(), job.size(), m_hash, m_ctx, m_ghHelper);
-                        valid = false;
+                            } else {
+                                valid = false;
+                            }
+                            break;
+                        case Algorithm::FLEX_KCN:
+                            if (N == 1) {
+                                flex_hash(reinterpret_cast<const char*>(m_job.blob()), reinterpret_cast<char*>(m_hash), m_ctx);
+                            } else {
+                                valid = false;
+                            }
+                            break;
+                        default:
+                            valid = false;
                     }
                     break;
 #               endif
@@ -387,7 +417,8 @@ template<size_t N>
 bool xmrig::CpuWorker<N>::verify(const Algorithm &algorithm, const uint8_t *referenceValue)
 {
 #   ifdef XMRIG_ALGO_GHOSTRIDER
-    if (algorithm == Algorithm::GHOSTRIDER_RTM) {
+    switch (algorithm) {
+      case Algorithm::GHOSTRIDER_RTM: {
         uint8_t blob[N * 80] = {};
         for (size_t i = 0; i < N; ++i) {
             blob[i * 80 + 0] = static_cast<uint8_t>(i);
@@ -414,6 +445,19 @@ bool xmrig::CpuWorker<N>::verify(const Algorithm &algorithm, const uint8_t *refe
         }
 
         return true;
+      }
+      case Algorithm::FLEX_KCN: {
+        const uint8_t header[80] = {
+          0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0xcc, 0xa6, 0x6a,
+          0x44, 0xf8, 0xbd, 0x55, 0x45, 0xc3, 0x16, 0x4a, 0x3a, 0x76, 0xda, 0x50, 0x39, 0x53, 0x28, 0xc9, 0x07, 0x56, 0x33, 0x77,
+          0x5b, 0xc4, 0xc8, 0x79, 0x8f, 0xd6, 0x77, 0x2b, 0x70, 0x0d, 0x21, 0x5c, 0xf0, 0xff, 0x0f, 0x1e, 0x00, 0x00, 0x00, 0x00
+        };
+        char hash[32] = {};
+        flex_hash(reinterpret_cast<const char*>(header), hash, m_ctx);
+        return memcmp(referenceValue, hash, sizeof hash) == 0;
+      }
+      default:;
     }
 #   endif
 

src/backend/cpu/CpuWorker.h

@@ -55,7 +55,7 @@ public:
     size_t threads() const override
     {
 #       ifdef XMRIG_ALGO_GHOSTRIDER
-        return ((m_algorithm.family() == Algorithm::GHOSTRIDER) && m_ghHelper) ? 2 : 1;
+        return ((m_algorithm.id() == Algorithm::GHOSTRIDER_RTM) && m_ghHelper) ? 2 : 1;
 #       else
         return 1;
 #       endif

src/backend/cpu/platform/BasicCpuInfo.cpp

@@ -318,9 +318,12 @@ const char *xmrig::BasicCpuInfo::backend() const
 }
 
 
-xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint32_t) const
+xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint32_t limit) const
 {
-    const size_t count = std::thread::hardware_concurrency();
+    const uint32_t count = std::thread::hardware_concurrency();
+    const uint32_t count_limit  = std::max(static_cast<uint32_t>(count * (limit / 100.0f)), 1U);
+    const uint32_t count_limit2 = std::max(static_cast<uint32_t>(count / 2), count_limit);
+    const uint32_t count_limit4 = std::max(static_cast<uint32_t>(count / 4), count_limit);
 
     if (count == 1) {
         return 1;
@@ -330,13 +333,13 @@ xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint3
 
 #   ifdef XMRIG_ALGO_CN_LITE
     if (f == Algorithm::CN_LITE) {
-        return CpuThreads(count, 1);
+        return CpuThreads(count_limit, 1);
     }
 #   endif
 
 #   ifdef XMRIG_ALGO_CN_PICO
     if (f == Algorithm::CN_PICO) {
-        return CpuThreads(count, 2);
+        return CpuThreads(count_limit, 2);
     }
 #   endif
 
@@ -348,33 +351,48 @@ xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint3
 
 #   ifdef XMRIG_ALGO_CN_HEAVY
     if (f == Algorithm::CN_HEAVY) {
-        return CpuThreads(std::max<size_t>(count / 4, 1), 1);
+        return CpuThreads(count_limit4, 1);
+    }
+#   endif
+
+#   ifdef XMRIG_ALGO_CN_GPU
+    if (algorithm == Algorithm::CN_GPU) {
+        return count_limit;
     }
 #   endif
 
 #   ifdef XMRIG_ALGO_RANDOMX
     if (f == Algorithm::RANDOM_X) {
         if (algorithm == Algorithm::RX_WOW) {
-            return count;
+            return count_limit;
         }
 
-        return std::max<size_t>(count / 2, 1);
+        if (algorithm == Algorithm::RX_XLA) {
+            CpuThreads threads;
+            for (size_t i = 0; i < count_limit2; ++i) {
+                threads.add(i, 0);
+            }
+            return threads;
+        }
+
+        return count_limit2;
     }
 #   endif
 
 #   ifdef XMRIG_ALGO_ARGON2
     if (f == Algorithm::ARGON2) {
-        return count;
+        return count_limit;
     }
 #   endif
 
 #   ifdef XMRIG_ALGO_GHOSTRIDER
-    if (f == Algorithm::GHOSTRIDER) {
+    switch (algorithm.id()) {
-        return CpuThreads(std::max<size_t>(count / 2, 1), 8);
+        case Algorithm::GHOSTRIDER_RTM: return CpuThreads(std::max<size_t>(count / 2, 1), 8);
+        case Algorithm::FLEX_KCN:       return CpuThreads(std::max<size_t>(count / 2, 1), 1);
     }
 #   endif
 
-    return CpuThreads(std::max<size_t>(count / 2, 1), 1);
+    return CpuThreads(count_limit2, 1);
 }
 
 

src/backend/cpu/platform/BasicCpuInfo_arm.cpp

@@ -102,8 +102,9 @@ const char *xmrig::BasicCpuInfo::backend() const
 xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint32_t) const
 {
 #   ifdef XMRIG_ALGO_GHOSTRIDER
-    if (algorithm.family() == Algorithm::GHOSTRIDER) {
+    switch (algorithm.id()) {
-        return CpuThreads(threads(), 8);
+        case Algorithm::GHOSTRIDER_RTM: return CpuThreads(threads(), 8);
+        case Algorithm::FLEX_KCN:       return CpuThreads(threads(), 1);
     }
 #   endif
 

src/backend/cpu/platform/HwlocCpuInfo.cpp

@@ -260,7 +260,7 @@ xmrig::CpuThreads xmrig::HwlocCpuInfo::allThreads(const Algorithm &algorithm, ui
     CpuThreads threads;
     threads.reserve(m_threads);
 
-    const uint32_t intensity = (algorithm.family() == Algorithm::GHOSTRIDER) ? 8 : 0;
+    const uint32_t intensity = (algorithm.id() == Algorithm::GHOSTRIDER_RTM) ? 8 : 0;
 
     for (const int32_t pu : m_units) {
         threads.add(pu, intensity);
@@ -340,6 +340,12 @@ void xmrig::HwlocCpuInfo::processTopLevelCache(hwloc_obj_t cache, const Algorith
         intensity = 2;
     }
 
+#   ifdef XMRIG_ALGO_CN_GPU
+    if (algorithm == Algorithm::CN_GPU) {
+        cacheHashes = PUs;
+    }
+#   endif
+
 #   ifdef XMRIG_ALGO_RANDOMX
     if ((algorithm.family() == Algorithm::RANDOM_X) && L3_exclusive && (PUs > cores.size()) && (PUs < cores.size() * 2)) {
         // Use all L3+L2 on latest Intel CPUs with P-cores, E-cores and exclusive L3 cache
@@ -348,6 +354,8 @@ void xmrig::HwlocCpuInfo::processTopLevelCache(hwloc_obj_t cache, const Algorith
     if (extra == 0 && algorithm.l2() > 0) {
         cacheHashes = std::min<size_t>(std::max<size_t>(L2 / algorithm.l2(), cores.size()), cacheHashes);
     }
+    if (algorithm == Algorithm::RX_XLA) cacheHashes = cores.size();
+
 #   endif
 
     if (limit > 0) {

src/backend/cuda/CudaConfig_gen.h

@@ -52,6 +52,9 @@ size_t inline generate<Algorithm::CN>(Threads<CudaThreads> &threads, const std::
 
     count += generate(Algorithm::kCN, threads, Algorithm::CN_1, devices);
     count += generate(Algorithm::kCN_2, threads, Algorithm::CN_2, devices);
+#   ifdef XMRIG_ALGO_CN_GPU
+    count += generate(Algorithm::kCN_GPU, threads, Algorithm::CN_GPU, devices);
+#   endif
 
     if (!threads.isExist(Algorithm::CN_0)) {
         threads.disable(Algorithm::CN_0);
@@ -114,6 +117,7 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CudaThreads> &threads, const
     auto rx  = CudaThreads(devices, Algorithm::RX_0);
     auto wow = CudaThreads(devices, Algorithm::RX_WOW);
     auto arq = CudaThreads(devices, Algorithm::RX_ARQ);
+    auto xeq = CudaThreads(devices, Algorithm::RX_XEQ);
     auto kva = CudaThreads(devices, Algorithm::RX_KEVA);
 
     if (!threads.isExist(Algorithm::RX_WOW) && wow != rx) {
@@ -124,6 +128,10 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CudaThreads> &threads, const
         count += threads.move(Algorithm::kRX_ARQ, std::move(arq));
     }
 
+    if (!threads.isExist(Algorithm::RX_XEQ) && xeq != rx) {
+        count += threads.move(Algorithm::kRX_XEQ, std::move(xeq));
+    }
+
     if (!threads.isExist(Algorithm::RX_KEVA) && kva != rx) {
         count += threads.move(Algorithm::kRX_KEVA, std::move(kva));
     }

src/backend/opencl/OclConfig_gen.h

@@ -51,6 +51,9 @@ size_t inline generate<Algorithm::CN>(Threads<OclThreads> &threads, const std::v
 
     count += generate(Algorithm::kCN, threads, Algorithm::CN_1, devices);
     count += generate(Algorithm::kCN_2, threads, Algorithm::CN_2, devices);
+#   ifdef XMRIG_ALGO_CN_GPU
+    count += generate(Algorithm::kCN_GPU, threads, Algorithm::CN_GPU, devices);
+#   endif
 
     if (!threads.isExist(Algorithm::CN_0)) {
         threads.disable(Algorithm::CN_0);
@@ -113,6 +116,7 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<OclThreads> &threads, const
     auto rx  = OclThreads(devices, Algorithm::RX_0);
     auto wow = OclThreads(devices, Algorithm::RX_WOW);
     auto arq = OclThreads(devices, Algorithm::RX_ARQ);
+    auto xeq = OclThreads(devices, Algorithm::RX_XEQ);
 
     if (!threads.isExist(Algorithm::RX_WOW) && wow != rx) {
         count += threads.move(Algorithm::kRX_WOW, std::move(wow));
@@ -122,6 +126,10 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<OclThreads> &threads, const
         count += threads.move(Algorithm::kRX_ARQ, std::move(arq));
     }
 
+    if (!threads.isExist(Algorithm::RX_XEQ) && xeq != rx) {
+        count += threads.move(Algorithm::kRX_XEQ, std::move(xeq));
+    }
+
     count += threads.move(Algorithm::kRX, std::move(rx));
 
     return count;

src/backend/opencl/OclThread.h

@@ -45,6 +45,20 @@ public:
         setIntensity(intensity);
     }
 
+#   ifdef XMRIG_ALGO_CN_GPU
+    OclThread(uint32_t index, uint32_t intensity, uint32_t worksize, uint32_t threads, uint32_t unrollFactor) :
+        m_fields(0),
+        m_threads(threads, -1),
+        m_index(index),
+        m_memChunk(0),
+        m_stridedIndex(0),
+        m_unrollFactor(unrollFactor),
+        m_worksize(worksize)
+    {
+        setIntensity(intensity);
+    }
+#   endif
+
 #   ifdef XMRIG_ALGO_RANDOMX
     OclThread(uint32_t index, uint32_t intensity, uint32_t worksize, uint32_t threads, bool gcnAsm, bool datasetHost, uint32_t bfactor) :
         m_datasetHost(datasetHost),

src/backend/opencl/OclWorker.cpp

@@ -30,6 +30,10 @@
 #include "net/JobResults.h"
 
 
+#ifdef XMRIG_ALGO_CN_GPU
+#   include "backend/opencl/runners/OclRyoRunner.h"
+#endif
+
 #ifdef XMRIG_ALGO_RANDOMX
 #   include "backend/opencl/runners/OclRxJitRunner.h"
 #   include "backend/opencl/runners/OclRxVmRunner.h"
@@ -93,6 +97,12 @@ xmrig::OclWorker::OclWorker(size_t id, const OclLaunchData &data) :
         break;
 
     default:
+#       ifdef XMRIG_ALGO_CN_GPU
+        if (m_algorithm == Algorithm::CN_GPU) {
+            m_runner = new OclRyoRunner(id, data);
+        }
+        else
+#       endif
         m_runner = new OclCnRunner(id, data);
         break;
     }

src/backend/opencl/cl/OclSource.cpp

@@ -28,6 +28,10 @@
 #include "base/crypto/Algorithm.h"
 
 
+#ifdef XMRIG_ALGO_CN_GPU
+#   include "backend/opencl/cl/cn/cryptonight_gpu_cl.h"
+#endif
+
 #ifdef XMRIG_ALGO_RANDOMX
 #   include "backend/opencl/cl/rx/randomx_cl.h"
 #endif
@@ -40,6 +44,12 @@
 
 const char *xmrig::OclSource::get(const Algorithm &algorithm)
 {
+#   ifdef XMRIG_ALGO_CN_GPU
+    if (algorithm == Algorithm::CN_GPU) {
+        return cryptonight_gpu_cl;
+    }
+#   endif
+
 #   ifdef XMRIG_ALGO_RANDOMX
     if (algorithm.family() == Algorithm::RANDOM_X) {
         return randomx_cl;

src/backend/opencl/cl/cn/algorithm.cl

@@ -18,9 +18,11 @@
 #define ALGO_CN_PICO_0      0x63120200
 #define ALGO_CN_PICO_TLO    0x63120274
 #define ALGO_CN_UPX2        0x63110200
+#define ALGO_CN_GPU         0x63150300
 #define ALGO_RX_0           0x72151200
 #define ALGO_RX_WOW         0x72141177
-#define ALGO_RX_ARQMA       0x72121061
+#define ALGO_RX_ARQ         0x72121061
+#define ALGO_RX_XEQ         0x72121000
 #define ALGO_RX_SFX         0x72151273
 #define ALGO_RX_KEVA        0x7214116b
 #define ALGO_RX_GRAFT       0x72151267
@@ -29,6 +31,8 @@
 #define ALGO_AR2_WRKZ       0x61120000
 #define ALGO_KAWPOW_RVN     0x6b0f0000
 
+#define ALGO_RX_XLA         0x721211ff
+
 #define FAMILY_UNKNOWN      0
 #define FAMILY_CN           0x63150000
 #define FAMILY_CN_LITE      0x63140000

src/backend/opencl/cl/cn/cryptonight_gpu.cl

@@ -0,0 +1,520 @@
+#include "wolf-aes.cl"
+#include "keccak.cl"
+
+
+inline uint getIdx()
+{
+    return get_global_id(0) - get_global_offset(0);
+}
+
+
+#define IDX(x) (x)
+
+
+inline float4 _mm_add_ps(float4 a, float4 b)
+{
+    return a + b;
+}
+
+
+inline float4 _mm_sub_ps(float4 a, float4 b)
+{
+    return a - b;
+}
+
+
+inline float4 _mm_mul_ps(float4 a, float4 b)
+{
+    return a * b;
+}
+
+
+inline float4 _mm_div_ps(float4 a, float4 b)
+{
+    return a / b;
+}
+
+
+inline float4 _mm_and_ps(float4 a, int b)
+{
+    return as_float4(as_int4(a) & (int4)(b));
+}
+
+
+inline float4 _mm_or_ps(float4 a, int b)
+{
+    return as_float4(as_int4(a) | (int4)(b));
+}
+
+
+inline float4 _mm_fmod_ps(float4 v, float dc)
+{
+    float4 d = (float4)(dc);
+    float4 c = _mm_div_ps(v, d);
+    c = trunc(c);
+    c = _mm_mul_ps(c, d);
+    return _mm_sub_ps(v, c);
+}
+
+
+inline int4 _mm_xor_si128(int4 a, int4 b)
+{
+    return a ^ b;
+}
+
+
+inline float4 _mm_xor_ps(float4 a, int b)
+{
+    return as_float4(as_int4(a) ^ (int4)(b));
+}
+
+
+inline int4 _mm_alignr_epi8(int4 a, const uint rot)
+{
+    const uint right = 8 * rot;
+    const uint left = (32 - 8 * rot);
+    return (int4)(
+        ((uint)a.x >> right) | ( a.y << left ),
+        ((uint)a.y >> right) | ( a.z << left ),
+        ((uint)a.z >> right) | ( a.w << left ),
+        ((uint)a.w >> right) | ( a.x << left )
+    );
+}
+
+
+inline global int4* scratchpad_ptr(uint idx, uint n, __global int *lpad) { return (__global int4*)((__global char*)lpad + (idx & MASK) + n * 16); }
+
+
+inline float4 fma_break(float4 x)
+{
+    // Break the dependency chain by setting the exp to ?????01
+    x = _mm_and_ps(x, 0xFEFFFFFF);
+    return _mm_or_ps(x, 0x00800000);
+}
+
+
+inline void sub_round(float4 n0, float4 n1, float4 n2, float4 n3, float4 rnd_c, float4* n, float4* d, float4* c)
+{
+    n1 = _mm_add_ps(n1, *c);
+    float4 nn = _mm_mul_ps(n0, *c);
+    nn = _mm_mul_ps(n1, _mm_mul_ps(nn,nn));
+    nn = fma_break(nn);
+    *n = _mm_add_ps(*n, nn);
+
+    n3 = _mm_sub_ps(n3, *c);
+    float4 dd = _mm_mul_ps(n2, *c);
+    dd = _mm_mul_ps(n3, _mm_mul_ps(dd,dd));
+    dd = fma_break(dd);
+    *d = _mm_add_ps(*d, dd);
+
+    //Constant feedback
+    *c = _mm_add_ps(*c, rnd_c);
+    *c = _mm_add_ps(*c, (float4)(0.734375f));
+    float4 r = _mm_add_ps(nn, dd);
+    r = _mm_and_ps(r, 0x807FFFFF);
+    r = _mm_or_ps(r, 0x40000000);
+    *c = _mm_add_ps(*c, r);
+
+}
+
+
+// 9*8 + 2 = 74
+inline void round_compute(float4 n0, float4 n1, float4 n2, float4 n3, float4 rnd_c, float4* c, float4* r)
+{
+    float4 n = (float4)(0.0f);
+    float4 d = (float4)(0.0f);
+
+    sub_round(n0, n1, n2, n3, rnd_c, &n, &d, c);
+    sub_round(n1, n2, n3, n0, rnd_c, &n, &d, c);
+    sub_round(n2, n3, n0, n1, rnd_c, &n, &d, c);
+    sub_round(n3, n0, n1, n2, rnd_c, &n, &d, c);
+    sub_round(n3, n2, n1, n0, rnd_c, &n, &d, c);
+    sub_round(n2, n1, n0, n3, rnd_c, &n, &d, c);
+    sub_round(n1, n0, n3, n2, rnd_c, &n, &d, c);
+    sub_round(n0, n3, n2, n1, rnd_c, &n, &d, c);
+
+    // Make sure abs(d) > 2.0 - this prevents division by zero and accidental overflows by division by < 1.0
+    d = _mm_and_ps(d, 0xFF7FFFFF);
+    d = _mm_or_ps(d, 0x40000000);
+    *r =_mm_add_ps(*r, _mm_div_ps(n,d));
+}
+
+
+inline int4 single_compute(float4 n0, float4 n1, float4 n2, float4 n3, float cnt, float4 rnd_c, __local float4* sum)
+{
+    float4 c= (float4)(cnt);
+    // 35 maths calls follow (140 FLOPS)
+    float4 r = (float4)(0.0f);
+
+    for (int i = 0; i < 4; ++i) {
+        round_compute(n0, n1, n2, n3, rnd_c, &c, &r);
+    }
+
+    // do a quick fmod by setting exp to 2
+    r = _mm_and_ps(r, 0x807FFFFF);
+    r = _mm_or_ps(r, 0x40000000);
+    *sum = r; // 34
+    float4 x = (float4)(536870880.0f);
+    r = _mm_mul_ps(r, x); // 35
+    return convert_int4_rte(r);
+}
+
+
+inline void single_compute_wrap(const uint rot, int4 v0, int4 v1, int4 v2, int4 v3, float cnt, float4 rnd_c, __local float4* sum, __local int4* out)
+{
+    float4 n0 = convert_float4_rte(v0);
+    float4 n1 = convert_float4_rte(v1);
+    float4 n2 = convert_float4_rte(v2);
+    float4 n3 = convert_float4_rte(v3);
+
+    int4 r = single_compute(n0, n1, n2, n3, cnt, rnd_c, sum);
+    *out = rot == 0 ? r : _mm_alignr_epi8(r, rot);
+}
+
+
+static const __constant uint look[16][4] = {
+    {0, 1, 2, 3},
+    {0, 2, 3, 1},
+    {0, 3, 1, 2},
+    {0, 3, 2, 1},
+
+    {1, 0, 2, 3},
+    {1, 2, 3, 0},
+    {1, 3, 0, 2},
+    {1, 3, 2, 0},
+
+    {2, 1, 0, 3},
+    {2, 0, 3, 1},
+    {2, 3, 1, 0},
+    {2, 3, 0, 1},
+
+    {3, 1, 2, 0},
+    {3, 2, 0, 1},
+    {3, 0, 1, 2},
+    {3, 0, 2, 1}
+};
+
+
+static const __constant float ccnt[16] = {
+    1.34375f,
+    1.28125f,
+    1.359375f,
+    1.3671875f,
+
+    1.4296875f,
+    1.3984375f,
+    1.3828125f,
+    1.3046875f,
+
+    1.4140625f,
+    1.2734375f,
+    1.2578125f,
+    1.2890625f,
+
+    1.3203125f,
+    1.3515625f,
+    1.3359375f,
+    1.4609375f
+};
+
+
+struct SharedMemChunk
+{
+    int4 out[16];
+    float4 va[16];
+};
+
+
+__attribute__((reqd_work_group_size(WORKSIZE * 16, 1, 1)))
+__kernel void cn1(__global int *lpad_in, __global int *spad, uint numThreads)
+{
+    const uint gIdx = getIdx();
+    uint chunk = get_local_id(0) / 16;
+
+    __global int* lpad = (__global int*)((__global char*)lpad_in + MEMORY * (gIdx/16));
+
+    __local struct SharedMemChunk smem_in[WORKSIZE];
+    __local struct SharedMemChunk* smem = smem_in + chunk;
+
+    uint tid = get_local_id(0) % 16;
+
+    uint idxHash = gIdx/16;
+    uint s = ((__global uint*)spad)[idxHash * 50] >> 8;
+    float4 vs = (float4)(0);
+
+    // tid divided
+    const uint tidd = tid / 4;
+    // tid modulo
+    const uint tidm = tid % 4;
+    const uint block = tidd * 16 + tidm;
+
+    #pragma unroll CN_UNROLL
+    for (uint i = 0; i < ITERATIONS; i++)   {
+        mem_fence(CLK_LOCAL_MEM_FENCE);
+        int tmp = ((__global int*)scratchpad_ptr(s, tidd, lpad))[tidm];
+        ((__local int*)(smem->out))[tid] = tmp;
+        mem_fence(CLK_LOCAL_MEM_FENCE);
+
+        {
+            single_compute_wrap(
+                tidm,
+                *(smem->out + look[tid][0]),
+                *(smem->out + look[tid][1]),
+                *(smem->out + look[tid][2]),
+                *(smem->out + look[tid][3]),
+                ccnt[tid], vs, smem->va + tid,
+                smem->out + tid
+            );
+        }
+        mem_fence(CLK_LOCAL_MEM_FENCE);
+
+        int outXor = ((__local int*)smem->out)[block];
+        for (uint dd = block + 4; dd < (tidd + 1) * 16; dd += 4) {
+            outXor ^= ((__local int*)smem->out)[dd];
+        }
+
+        ((__global int*)scratchpad_ptr(s, tidd, lpad))[tidm] = outXor ^ tmp;
+        ((__local int*)smem->out)[tid] = outXor;
+
+        float va_tmp1 = ((__local float*)smem->va)[block] + ((__local float*)smem->va)[block + 4];
+        float va_tmp2 = ((__local float*)smem->va)[block+ 8] + ((__local float*)smem->va)[block + 12];
+        ((__local float*)smem->va)[tid] = va_tmp1 + va_tmp2;
+
+        mem_fence(CLK_LOCAL_MEM_FENCE);
+
+        int out2 = ((__local int*)smem->out)[tid] ^ ((__local int*)smem->out)[tid + 4 ] ^ ((__local int*)smem->out)[tid + 8] ^ ((__local int*)smem->out)[tid + 12];
+        va_tmp1 = ((__local float*)smem->va)[block] + ((__local float*)smem->va)[block + 4];
+        va_tmp2 = ((__local float*)smem->va)[block + 8] + ((__local float*)smem->va)[block + 12];
+        va_tmp1 = va_tmp1 + va_tmp2;
+        va_tmp1 = fabs(va_tmp1);
+
+        float xx = va_tmp1 * 16777216.0f;
+        int xx_int = (int)xx;
+        ((__local int*)smem->out)[tid] = out2 ^ xx_int;
+        ((__local float*)smem->va)[tid] = va_tmp1 / 64.0f;
+
+        mem_fence(CLK_LOCAL_MEM_FENCE);
+
+        vs = smem->va[0];
+        s = smem->out[0].x ^ smem->out[0].y ^ smem->out[0].z ^ smem->out[0].w;
+    }
+}
+
+
+static const __constant uint skip[3] = {
+    20,22,22
+};
+
+
+inline void generate_512(uint idx, __local ulong* in, __global ulong* out)
+{
+    ulong hash[25];
+
+    hash[0] = in[0] ^ idx;
+    for (int i = 1; i < 25; ++i) {
+        hash[i] = in[i];
+    }
+
+    for (int a = 0; a < 3; ++a) {
+        keccakf1600_1(hash);
+        for (int i = 0; i < skip[a]; ++i) {
+            out[i] = hash[i];
+        }
+
+        out += skip[a];
+    }
+}
+
+
+__attribute__((reqd_work_group_size(8, 8, 1)))
+__kernel void cn0(__global ulong *input, int inlen, __global int *Scratchpad, __global ulong *states, uint Threads)
+{
+    const uint gIdx = getIdx();
+    __local ulong State_buf[8 * 25];
+    __local ulong* State = State_buf + get_local_id(0) * 25;
+
+    {
+        states += 25 * gIdx;
+
+        Scratchpad = (__global int*)((__global char*)Scratchpad + MEMORY * gIdx);
+
+        if (get_local_id(1) == 0) {
+
+#           ifdef __NV_CL_C_VERSION
+            for(uint i = 0; i < 8; ++i)
+                State[i] = input[i];
+#           else
+            ((__local ulong8 *)State)[0] = vload8(0, input);
+#           endif
+
+            State[8]  = input[8];
+            State[9]  = input[9];
+            State[10] = input[10];
+
+            ((__local uint *)State)[9]  &= 0x00FFFFFFU;
+            ((__local uint *)State)[9]  |= (((uint)get_global_id(0)) & 0xFF) << 24;
+            ((__local uint *)State)[10] &= 0xFF000000U;
+            /* explicit cast to `uint` is required because some OpenCL implementations (e.g. NVIDIA)
+             * handle get_global_id and get_global_offset as signed long long int and add
+             * 0xFFFFFFFF... to `get_global_id` if we set on host side a 32bit offset where the first bit is `1`
+             * (even if it is correct casted to unsigned on the host)
+             */
+            ((__local uint *)State)[10] |= (((uint)get_global_id(0) >> 8));
+
+            for (int i = 11; i < 25; ++i) {
+                State[i] = 0x00UL;
+            }
+
+            // Last bit of padding
+            State[16] = 0x8000000000000000UL;
+
+            keccakf1600_2(State);
+
+            #pragma unroll
+            for (int i = 0; i < 25; ++i) {
+                states[i] = State[i];
+            }
+        }
+    }
+}
+
+
+__attribute__((reqd_work_group_size(64, 1, 1)))
+__kernel void cn00(__global int *Scratchpad, __global ulong *states)
+{
+    const uint gIdx = getIdx() / 64;
+    __local ulong State[25];
+
+    states += 25 * gIdx;
+
+    Scratchpad = (__global int*)((__global char*)Scratchpad + MEMORY * gIdx);
+
+    for (int i = get_local_id(0); i < 25; i += get_local_size(0)) {
+        State[i] = states[i];
+    }
+
+    barrier(CLK_LOCAL_MEM_FENCE);
+
+    for (uint i = get_local_id(0); i < MEMORY / 512; i += get_local_size(0)) {
+        generate_512(i, State, (__global ulong*)((__global uchar*)Scratchpad + i * 512));
+    }
+}
+
+
+__attribute__((reqd_work_group_size(8, 8, 1)))
+__kernel void cn2(__global uint4 *Scratchpad, __global ulong *states, __global uint *output, ulong Target, uint Threads)
+{
+    __local uint AES0[256], AES1[256], AES2[256], AES3[256];
+    uint ExpandedKey2[40];
+    uint4 text;
+
+    const uint gIdx = getIdx();
+
+    for (int i = get_local_id(1) * 8 + get_local_id(0); i < 256; i += 8 * 8) {
+        const uint tmp = AES0_C[i];
+        AES0[i] = tmp;
+        AES1[i] = rotate(tmp, 8U);
+        AES2[i] = rotate(tmp, 16U);
+        AES3[i] = rotate(tmp, 24U);
+    }
+
+    barrier(CLK_LOCAL_MEM_FENCE);
+
+    __local uint4 xin1[8][8];
+    __local uint4 xin2[8][8];
+
+    {
+        states += 25 * gIdx;
+        Scratchpad += gIdx * (MEMORY >> 4);
+
+        #if defined(__Tahiti__) || defined(__Pitcairn__)
+        for(int i = 0; i < 4; ++i) ((ulong *)ExpandedKey2)[i] = states[i + 4];
+        text = vload4(get_local_id(1) + 4, (__global uint *)states);
+        #else
+        text = vload4(get_local_id(1) + 4, (__global uint *)states);
+        ((uint8 *)ExpandedKey2)[0] = vload8(1, (__global uint *)states);
+        #endif
+
+        AESExpandKey256(ExpandedKey2);
+    }
+
+    barrier(CLK_LOCAL_MEM_FENCE);
+
+    __local uint4* xin1_store = &xin1[get_local_id(1)][get_local_id(0)];
+    __local uint4* xin1_load = &xin1[(get_local_id(1) + 1) % 8][get_local_id(0)];
+    __local uint4* xin2_store = &xin2[get_local_id(1)][get_local_id(0)];
+    __local uint4* xin2_load = &xin2[(get_local_id(1) + 1) % 8][get_local_id(0)];
+    *xin2_store = (uint4)(0, 0, 0, 0);
+
+    {
+
+        #pragma unroll 2
+        for (int i = 0, i1 = get_local_id(1); i < (MEMORY >> 7); ++i, i1 = (i1 + 16) % (MEMORY >> 4)) {
+            text ^= Scratchpad[(uint)i1];
+            barrier(CLK_LOCAL_MEM_FENCE);
+            text ^= *xin2_load;
+
+            #pragma unroll 10
+            for(int j = 0; j < 10; ++j)
+                text = AES_Round(AES0, AES1, AES2, AES3, text, ((uint4 *)ExpandedKey2)[j]);
+
+            *xin1_store = text;
+
+            text ^= Scratchpad[(uint)i1 + 8u];
+            barrier(CLK_LOCAL_MEM_FENCE);
+            text ^= *xin1_load;
+
+            #pragma unroll 10
+            for(int j = 0; j < 10; ++j)
+                text = AES_Round(AES0, AES1, AES2, AES3, text, ((uint4 *)ExpandedKey2)[j]);
+
+            *xin2_store = text;
+        }
+
+        barrier(CLK_LOCAL_MEM_FENCE);
+        text ^= *xin2_load;
+    }
+
+    /* Also left over threads performe this loop.
+     * The left over thread results will be ignored
+     */
+    #pragma unroll 16
+    for(size_t i = 0; i < 16; i++)
+    {
+        #pragma unroll 10
+        for (int j = 0; j < 10; ++j) {
+            text = AES_Round(AES0, AES1, AES2, AES3, text, ((uint4 *)ExpandedKey2)[j]);
+        }
+
+        barrier(CLK_LOCAL_MEM_FENCE);
+        *xin1_store = text;
+        barrier(CLK_LOCAL_MEM_FENCE);
+        text ^= *xin1_load;
+    }
+
+    __local ulong State_buf[8 * 25];
+    {
+        vstore2(as_ulong2(text), get_local_id(1) + 4, states);
+    }
+
+    barrier(CLK_GLOBAL_MEM_FENCE);
+
+    {
+        if(!get_local_id(1))
+        {
+            __local ulong* State = State_buf + get_local_id(0) * 25;
+
+            for(int i = 0; i < 25; ++i) State[i] = states[i];
+
+            keccakf1600_2(State);
+
+            if(State[3] <= Target)
+            {
+                ulong outIdx = atomic_inc(output + 0xFF);
+                if(outIdx < 0xFF)
+                    output[outIdx] = get_global_id(0);
+            }
+        }
+    }
+    mem_fence(CLK_GLOBAL_MEM_FENCE);
+}

src/backend/opencl/cl/cn/cryptonight_gpu_cl.h

@@ -0,0 +1,639 @@
+#pragma once
+
+namespace xmrig {
+
+static const char cryptonight_gpu_cl[20170] = {
+    0x23,0x69,0x66,0x6e,0x64,0x65,0x66,0x20,0x57,0x4f,0x4c,0x46,0x5f,0x41,0x45,0x53,0x5f,0x43,0x4c,0x0a,0x23,0x64,0x65,0x66,0x69,0x6e,0x65,0x20,0x57,0x4f,0x4c,0x46,
+    0x5f,0x41,0x45,0x53,0x5f,0x43,0x4c,0x0a,0x23,0x69,0x66,0x64,0x65,0x66,0x20,0x53,0x54,0x41,0x54,0x49,0x43,0x0a,0x23,0x75,0x6e,0x64,0x65,0x66,0x20,0x53,0x54,0x41,
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+    0x35,0x3b,0x20,0x2b,0x2b,0x69,0x29,0x20,0x53,0x74,0x61,0x74,0x65,0x5b,0x69,0x5d,0x3d,0x73,0x74,0x61,0x74,0x65,0x73,0x5b,0x69,0x5d,0x3b,0x0a,0x6b,0x65,0x63,0x63,
+    0x61,0x6b,0x66,0x31,0x36,0x30,0x30,0x5f,0x32,0x28,0x53,0x74,0x61,0x74,0x65,0x29,0x3b,0x0a,0x69,0x66,0x28,0x53,0x74,0x61,0x74,0x65,0x5b,0x33,0x5d,0x3c,0x3d,0x54,
+    0x61,0x72,0x67,0x65,0x74,0x29,0x0a,0x7b,0x0a,0x75,0x6c,0x6f,0x6e,0x67,0x20,0x6f,0x75,0x74,0x49,0x64,0x78,0x3d,0x61,0x74,0x6f,0x6d,0x69,0x63,0x5f,0x69,0x6e,0x63,
+    0x28,0x6f,0x75,0x74,0x70,0x75,0x74,0x2b,0x30,0x78,0x46,0x46,0x29,0x3b,0x0a,0x69,0x66,0x28,0x6f,0x75,0x74,0x49,0x64,0x78,0x3c,0x30,0x78,0x46,0x46,0x29,0x0a,0x6f,
+    0x75,0x74,0x70,0x75,0x74,0x5b,0x6f,0x75,0x74,0x49,0x64,0x78,0x5d,0x3d,0x67,0x65,0x74,0x5f,0x67,0x6c,0x6f,0x62,0x61,0x6c,0x5f,0x69,0x64,0x28,0x30,0x29,0x3b,0x0a,
+    0x7d,0x0a,0x7d,0x0a,0x7d,0x0a,0x6d,0x65,0x6d,0x5f,0x66,0x65,0x6e,0x63,0x65,0x28,0x43,0x4c,0x4b,0x5f,0x47,0x4c,0x4f,0x42,0x41,0x4c,0x5f,0x4d,0x45,0x4d,0x5f,0x46,
+    0x45,0x4e,0x43,0x45,0x29,0x3b,0x0a,0x7d,0x0a,0x00
+};
+
+} // namespace xmrig

src/backend/opencl/cl/rx/randomx.cl

@@ -4,8 +4,10 @@
 #include "randomx_constants_monero.h"
 #elif (ALGO == ALGO_RX_WOW)
 #include "randomx_constants_wow.h"
-#elif (ALGO == ALGO_RX_ARQMA)
+#elif (ALGO == ALGO_RX_ARQ)
 #include "randomx_constants_arqma.h"
+#elif (ALGO == ALGO_RX_XEQ)
+#include "randomx_constants_equilibria.h"
 #elif (ALGO == ALGO_RX_KEVA)
 #include "randomx_constants_keva.h"
 #elif (ALGO == ALGO_RX_GRAFT)

src/backend/opencl/cl/rx/randomx_constants_equilibria.h

@@ -0,0 +1,96 @@
+/*
+Copyright (c) 2019 SChernykh
+
+This file is part of RandomX OpenCL.
+
+RandomX OpenCL 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.
+
+RandomX OpenCL 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 RandomX OpenCL. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+//Dataset base size in bytes. Must be a power of 2.
+#define RANDOMX_DATASET_BASE_SIZE  2147483648
+
+//Dataset extra size. Must be divisible by 64.
+#define RANDOMX_DATASET_EXTRA_SIZE 33554368
+
+//Scratchpad L3 size in bytes. Must be a power of 2.
+#define RANDOMX_SCRATCHPAD_L3      262144
+
+//Scratchpad L2 size in bytes. Must be a power of two and less than or equal to RANDOMX_SCRATCHPAD_L3.
+#define RANDOMX_SCRATCHPAD_L2      131072
+
+//Scratchpad L1 size in bytes. Must be a power of two (minimum 64) and less than or equal to RANDOMX_SCRATCHPAD_L2.
+#define RANDOMX_SCRATCHPAD_L1      16384
+
+//Jump condition mask size in bits.
+#define RANDOMX_JUMP_BITS          8
+
+//Jump condition mask offset in bits. The sum of RANDOMX_JUMP_BITS and RANDOMX_JUMP_OFFSET must not exceed 16.
+#define RANDOMX_JUMP_OFFSET        8
+
+//Integer instructions
+#define RANDOMX_FREQ_IADD_RS       16
+#define RANDOMX_FREQ_IADD_M         7
+#define RANDOMX_FREQ_ISUB_R        16
+#define RANDOMX_FREQ_ISUB_M         7
+#define RANDOMX_FREQ_IMUL_R        16
+#define RANDOMX_FREQ_IMUL_M         4
+#define RANDOMX_FREQ_IMULH_R        4
+#define RANDOMX_FREQ_IMULH_M        1
+#define RANDOMX_FREQ_ISMULH_R       4
+#define RANDOMX_FREQ_ISMULH_M       1
+#define RANDOMX_FREQ_IMUL_RCP       8
+#define RANDOMX_FREQ_INEG_R         2
+#define RANDOMX_FREQ_IXOR_R        15
+#define RANDOMX_FREQ_IXOR_M         5
+#define RANDOMX_FREQ_IROR_R         8
+#define RANDOMX_FREQ_IROL_R         2
+#define RANDOMX_FREQ_ISWAP_R        4
+
+//Floating point instructions
+#define RANDOMX_FREQ_FSWAP_R        4
+#define RANDOMX_FREQ_FADD_R        16
+#define RANDOMX_FREQ_FADD_M         5
+#define RANDOMX_FREQ_FSUB_R        16
+#define RANDOMX_FREQ_FSUB_M         5
+#define RANDOMX_FREQ_FSCAL_R        6
+#define RANDOMX_FREQ_FMUL_R        32
+#define RANDOMX_FREQ_FDIV_M         4
+#define RANDOMX_FREQ_FSQRT_R        6
+
+//Control instructions
+#define RANDOMX_FREQ_CBRANCH       25
+#define RANDOMX_FREQ_CFROUND        1
+
+//Store instruction
+#define RANDOMX_FREQ_ISTORE        16
+
+//No-op instruction
+#define RANDOMX_FREQ_NOP            0
+
+#define RANDOMX_DATASET_ITEM_SIZE 64
+
+#define RANDOMX_PROGRAM_SIZE 256
+
+#define HASH_SIZE 64
+#define ENTROPY_SIZE (128 + RANDOMX_PROGRAM_SIZE * 8)
+#define REGISTERS_SIZE 256
+#define IMM_BUF_SIZE (RANDOMX_PROGRAM_SIZE * 4 - REGISTERS_SIZE)
+#define IMM_INDEX_COUNT ((IMM_BUF_SIZE / 4) - 2)
+#define VM_STATE_SIZE (REGISTERS_SIZE + IMM_BUF_SIZE + RANDOMX_PROGRAM_SIZE * 4)
+#define ROUNDING_MODE (RANDOMX_FREQ_CFROUND ? -1 : 0)
+
+// Scratchpad L1/L2/L3 bits
+#define LOC_L1 (32 - 14)
+#define LOC_L2 (32 - 17)
+#define LOC_L3 (32 - 18)

src/backend/opencl/generators/ocl_generic_cn_gpu_generator.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      Lee Clagett <https://github.com/vtnerd>
+ * 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/opencl/OclThreads.h"
+#include "backend/opencl/wrappers/OclDevice.h"
+#include "base/crypto/Algorithm.h"
+
+
+#include <algorithm>
+
+
+namespace xmrig {
+
+
+constexpr const size_t oneMiB = 1024u * 1024u;
+
+
+
+bool ocl_generic_cn_gpu_generator(const OclDevice &device, const Algorithm &algorithm, OclThreads &threads)
+{
+    if (algorithm != Algorithm::CN_GPU) {
+        return false;
+    }
+
+    uint32_t worksize   = 8;
+    uint32_t numThreads = 1u;
+    size_t minFreeMem   = 128u * oneMiB;
+
+    if (device.type() == OclDevice::Vega_10 || device.type() == OclDevice::Vega_20) {
+        minFreeMem  = oneMiB;
+        worksize    = 16;
+    }
+    else if (device.type() == OclDevice::Navi_10) {
+        numThreads = 2u;
+    }
+    else if (device.name() == "Fiji") {
+        worksize = 16;
+    }
+
+    size_t maxThreads = device.computeUnits() * 6 * 8;
+
+    const size_t maxAvailableFreeMem = device.freeMemSize() - minFreeMem;
+    const size_t memPerThread        = std::min(device.maxMemAllocSize(), maxAvailableFreeMem);
+
+    size_t memPerHash           = algorithm.l3() + 240u;
+    size_t maxIntensity         = memPerThread / memPerHash;
+    size_t possibleIntensity    = std::min(maxThreads, maxIntensity);
+    size_t intensity            = 0;
+    size_t cuUtilization        = ((possibleIntensity * 100)  / (worksize * device.computeUnits())) % 100;
+
+    if (cuUtilization >= 75) {
+        intensity = (possibleIntensity / worksize) * worksize;
+    }
+    else {
+        intensity = (possibleIntensity / (worksize * device.computeUnits())) * device.computeUnits() * worksize;
+    }
+
+    threads.add(OclThread(device.index(), intensity, worksize, numThreads, 1));
+
+    return true;
+}
+
+
+} // namespace xmrig

src/backend/opencl/kernels/Cn00RyoKernel.cpp

@@ -0,0 +1,44 @@
+/* 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 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 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/opencl/kernels/Cn00RyoKernel.h"
+#include "backend/opencl/wrappers/OclLib.h"
+
+
+void xmrig::Cn00RyoKernel::enqueue(cl_command_queue queue, size_t threads)
+{
+    const size_t gthreads = threads * 64;
+    const size_t lthreads = 64;
+
+    enqueueNDRange(queue, 1, nullptr, &gthreads, &lthreads);
+}
+
+
+// __kernel void cn00(__global int *Scratchpad, __global ulong *states)
+void xmrig::Cn00RyoKernel::setArgs(cl_mem scratchpads, cl_mem states)
+{
+    setArg(0, sizeof(cl_mem), &scratchpads);
+    setArg(1, sizeof(cl_mem), &states);
+}

src/backend/opencl/kernels/Cn00RyoKernel.h

@@ -0,0 +1,48 @@
+/* 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 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 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_CN00RYOKERNEL_H
+#define XMRIG_CN00RYOKERNEL_H
+
+
+#include "backend/opencl/wrappers/OclKernel.h"
+
+
+namespace xmrig {
+
+
+class Cn00RyoKernel : public OclKernel
+{
+public:
+    inline Cn00RyoKernel(cl_program program) : OclKernel(program, "cn00") {}
+
+    void enqueue(cl_command_queue queue, size_t threads);
+    void setArgs(cl_mem scratchpads, cl_mem states);
+};
+
+
+} // namespace xmrig
+
+
+#endif /* XMRIG_CN00RYOKERNEL_H */

src/backend/opencl/kernels/Cn1RyoKernel.cpp

@@ -0,0 +1,48 @@
+/* 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 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 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 <string>
+
+
+#include "backend/opencl/kernels/Cn1RyoKernel.h"
+#include "backend/opencl/wrappers/OclLib.h"
+
+
+void xmrig::Cn1RyoKernel::enqueue(cl_command_queue queue, size_t threads, size_t worksize)
+{
+    const size_t gthreads = threads * 16;
+    const size_t lthreads = worksize * 16;
+
+    enqueueNDRange(queue, 1, nullptr, &gthreads, &lthreads);
+}
+
+
+// __kernel void cn1(__global int *lpad_in, __global int *spad, uint numThreads)
+void xmrig::Cn1RyoKernel::setArgs(cl_mem scratchpads, cl_mem states, uint32_t threads)
+{
+    setArg(0, sizeof(cl_mem), &scratchpads);
+    setArg(1, sizeof(cl_mem), &states);
+    setArg(2, sizeof(uint32_t), &threads);
+}

src/backend/opencl/kernels/Cn1RyoKernel.h

@@ -0,0 +1,48 @@
+/* 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 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 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_CN1RYOKERNEL_H
+#define XMRIG_CN1RYOKERNEL_H
+
+
+#include "backend/opencl/wrappers/OclKernel.h"
+
+
+namespace xmrig {
+
+
+class Cn1RyoKernel : public OclKernel
+{
+public:
+    inline Cn1RyoKernel(cl_program program) : OclKernel(program, "cn1") {}
+
+    void enqueue(cl_command_queue queue, size_t threads, size_t worksize);
+    void setArgs(cl_mem scratchpads, cl_mem states, uint32_t threads);
+};
+
+
+} // namespace xmrig
+
+
+#endif /* XMRIG_CN1RYOKERNEL_H */

src/backend/opencl/kernels/Cn2RyoKernel.cpp

@@ -0,0 +1,53 @@
+/* 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 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 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/opencl/kernels/Cn2RyoKernel.h"
+#include "backend/opencl/wrappers/OclLib.h"
+
+
+void xmrig::Cn2RyoKernel::enqueue(cl_command_queue queue, uint32_t nonce, size_t threads)
+{
+    const size_t offset[2]          = { nonce, 1 };
+    const size_t gthreads[2]        = { threads, 8 };
+    static const size_t lthreads[2] = { 8, 8 };
+
+    enqueueNDRange(queue, 2, offset, gthreads, lthreads);
+}
+
+
+// __kernel void cn2(__global uint4 *Scratchpad, __global ulong *states, __global uint *output, ulong Target, uint Threads)
+void xmrig::Cn2RyoKernel::setArgs(cl_mem scratchpads, cl_mem states, cl_mem output, uint32_t threads)
+{
+    setArg(0, sizeof(cl_mem), &scratchpads);
+    setArg(1, sizeof(cl_mem), &states);
+    setArg(2, sizeof(cl_mem), &output);
+    setArg(4, sizeof(uint32_t), &threads);
+}
+
+
+void xmrig::Cn2RyoKernel::setTarget(uint64_t target)
+{
+    setArg(3, sizeof(cl_ulong), &target);
+}

src/backend/opencl/kernels/Cn2RyoKernel.h

@@ -0,0 +1,49 @@
+/* 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 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 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_CN2RYOKERNEL_H
+#define XMRIG_CN2RYOKERNEL_H
+
+
+#include "backend/opencl/wrappers/OclKernel.h"
+
+
+namespace xmrig {
+
+
+class Cn2RyoKernel : public OclKernel
+{
+public:
+    inline Cn2RyoKernel(cl_program program) : OclKernel(program, "cn2") {}
+
+    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);
+};
+
+
+} // namespace xmrig
+
+
+#endif /* XMRIG_CN2RYOKERNEL_H */

src/backend/opencl/opencl.cmake

@@ -127,6 +127,23 @@ if (WITH_OPENCL)
              )
     endif()
 
+    if (WITH_CN_GPU AND CMAKE_SIZEOF_VOID_P EQUAL 8)
+        list(APPEND HEADERS_BACKEND_OPENCL
+             src/backend/opencl/kernels/Cn00RyoKernel.h
+             src/backend/opencl/kernels/Cn1RyoKernel.h
+             src/backend/opencl/kernels/Cn2RyoKernel.h
+             src/backend/opencl/runners/OclRyoRunner.h
+             )
+
+        list(APPEND SOURCES_BACKEND_OPENCL
+             src/backend/opencl/generators/ocl_generic_cn_gpu_generator.cpp
+             src/backend/opencl/kernels/Cn00RyoKernel.cpp
+             src/backend/opencl/kernels/Cn1RyoKernel.cpp
+             src/backend/opencl/kernels/Cn2RyoKernel.cpp
+             src/backend/opencl/runners/OclRyoRunner.cpp
+             )
+    endif()
+
     if (WITH_STRICT_CACHE)
         add_definitions(/DXMRIG_STRICT_OPENCL_CACHE)
     else()

src/backend/opencl/runners/OclRyoRunner.cpp

@@ -0,0 +1,129 @@
+/* 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/opencl/runners/OclRyoRunner.h"
+#include "backend/opencl/kernels/Cn00RyoKernel.h"
+#include "backend/opencl/kernels/Cn0Kernel.h"
+#include "backend/opencl/kernels/Cn1RyoKernel.h"
+#include "backend/opencl/kernels/Cn2RyoKernel.h"
+#include "backend/opencl/kernels/CnBranchKernel.h"
+#include "backend/opencl/OclLaunchData.h"
+#include "backend/opencl/wrappers/OclLib.h"
+#include "base/io/log/Log.h"
+#include "base/net/stratum/Job.h"
+#include "crypto/cn/CnAlgo.h"
+#include <stdexcept>
+
+
+xmrig::OclRyoRunner::OclRyoRunner(size_t index, const OclLaunchData &data) : OclBaseRunner(index, data)
+{
+    m_options += " -DITERATIONS="   + std::to_string(CnAlgo<>::iterations(m_algorithm)) + "U";
+    m_options += " -DMASK="         + std::to_string(CnAlgo<>::mask(m_algorithm)) + "U";
+    m_options += " -DWORKSIZE="     + std::to_string(data.thread.worksize()) + "U";
+    m_options += " -DMEMORY="       + std::to_string(m_algorithm.l3()) + "LU";
+    m_options += " -DCN_UNROLL="    + std::to_string(data.thread.unrollFactor());
+
+    m_options += " -cl-fp32-correctly-rounded-divide-sqrt";
+}
+
+
+xmrig::OclRyoRunner::~OclRyoRunner()
+{
+    delete m_cn00;
+    delete m_cn0;
+    delete m_cn1;
+    delete m_cn2;
+
+    OclLib::release(m_scratchpads);
+    OclLib::release(m_states);
+}
+
+
+size_t xmrig::OclRyoRunner::bufferSize() const
+{
+    return OclBaseRunner::bufferSize() + align(data().algorithm.l3() * m_intensity) + align(200 * m_intensity);
+}
+
+
+void xmrig::OclRyoRunner::run(uint32_t nonce, uint32_t *hashOutput)
+{
+    static const cl_uint zero = 0;
+
+    const size_t w_size = data().thread.worksize();
+    const size_t g_thd  = ((m_intensity + w_size - 1u) / w_size) * w_size;
+
+    assert(g_thd % w_size == 0);
+
+    enqueueWriteBuffer(m_output, CL_FALSE, sizeof(cl_uint) * 0xFF, sizeof(cl_uint), &zero);
+
+    m_cn0->enqueue(m_queue, nonce, g_thd);
+    m_cn00->enqueue(m_queue, g_thd);
+    m_cn1->enqueue(m_queue, g_thd, w_size);
+    m_cn2->enqueue(m_queue, nonce, g_thd);
+
+    finalize(hashOutput);
+}
+
+
+void xmrig::OclRyoRunner::set(const Job &job, uint8_t *blob)
+{
+    if (job.size() > (Job::kMaxBlobSize - 4)) {
+        throw std::length_error("job size too big");
+    }
+
+    blob[job.size()] = 0x01;
+    memset(blob + job.size() + 1, 0, Job::kMaxBlobSize - job.size() - 1);
+
+    enqueueWriteBuffer(m_input, CL_TRUE, 0, Job::kMaxBlobSize, blob);
+
+    m_cn2->setTarget(job.target());
+}
+
+
+void xmrig::OclRyoRunner::build()
+{
+    OclBaseRunner::build();
+
+    m_cn00 = new Cn00RyoKernel(m_program);
+    m_cn00->setArgs(m_scratchpads, m_states);
+
+    m_cn0 = new Cn0Kernel(m_program);
+    m_cn0->setArgs(m_input, 0, m_scratchpads, m_states, m_intensity);
+
+    m_cn1 = new Cn1RyoKernel(m_program);
+    m_cn1->setArgs(m_scratchpads, m_states, m_intensity);
+
+    m_cn2 = new Cn2RyoKernel(m_program);
+    m_cn2->setArgs(m_scratchpads, m_states, m_output, m_intensity);
+}
+
+
+void xmrig::OclRyoRunner::init()
+{
+    OclBaseRunner::init();
+
+    m_scratchpads = createSubBuffer(CL_MEM_READ_WRITE, data().algorithm.l3() * m_intensity);
+    m_states      = createSubBuffer(CL_MEM_READ_WRITE, 200 * m_intensity);
+}

src/backend/opencl/runners/OclRyoRunner.h

@@ -0,0 +1,70 @@
+/* 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/>.
+ */
+
+#ifndef XMRIG_OCLRYORUNNER_H
+#define XMRIG_OCLRYORUNNER_H
+
+
+#include "backend/opencl/runners/OclBaseRunner.h"
+
+
+namespace xmrig {
+
+
+class Cn00RyoKernel;
+class Cn0Kernel;
+class Cn1RyoKernel;
+class Cn2RyoKernel;
+
+
+class OclRyoRunner : public OclBaseRunner
+{
+public:
+    XMRIG_DISABLE_COPY_MOVE_DEFAULT(OclRyoRunner)
+
+    OclRyoRunner(size_t index, const OclLaunchData &data);
+
+    ~OclRyoRunner() override;
+
+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;
+
+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;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif // XMRIG_OCLRYORUNNER_H

src/backend/opencl/wrappers/OclDevice.cpp

@@ -54,6 +54,10 @@ extern bool ocl_generic_kawpow_generator(const OclDevice& device, const Algorith
 extern bool ocl_vega_cn_generator(const OclDevice &device, const Algorithm &algorithm, OclThreads &threads);
 extern bool ocl_generic_cn_generator(const OclDevice &device, const Algorithm &algorithm, OclThreads &threads);
 
+#ifdef XMRIG_ALGO_CN_GPU
+extern bool ocl_generic_cn_gpu_generator(const OclDevice &device, const Algorithm &algorithm, OclThreads &threads);
+#endif
+
 
 static ocl_gen_config_fun generators[] = {
 #   ifdef XMRIG_ALGO_RANDOMX
@@ -63,7 +67,10 @@ static ocl_gen_config_fun generators[] = {
     ocl_generic_kawpow_generator,
 #   endif
     ocl_vega_cn_generator,
-    ocl_generic_cn_generator
+    ocl_generic_cn_generator,
+#   ifdef XMRIG_ALGO_CN_GPU
+    ocl_generic_cn_gpu_generator,
+#   endif
 };
 
 

src/base/crypto/Algorithm.cpp

@@ -74,11 +74,16 @@ const char *Algorithm::kCN_PICO_TLO     = "cn-pico/tlo";
 const char *Algorithm::kCN_UPX2         = "cn/upx2";
 #endif
 
+#ifdef XMRIG_ALGO_CN_GPU
+const char *Algorithm::kCN_GPU          = "cn/gpu";
+#endif
+
 #ifdef XMRIG_ALGO_RANDOMX
 const char *Algorithm::kRX              = "rx";
 const char *Algorithm::kRX_0            = "rx/0";
 const char *Algorithm::kRX_WOW          = "rx/wow";
 const char *Algorithm::kRX_ARQ          = "rx/arq";
+const char *Algorithm::kRX_XEQ          = "rx/xeq";
 const char *Algorithm::kRX_GRAFT        = "rx/graft";
 const char *Algorithm::kRX_SFX          = "rx/sfx";
 const char *Algorithm::kRX_KEVA         = "rx/keva";
@@ -99,6 +104,12 @@ const char *Algorithm::kKAWPOW_RVN      = "kawpow";
 #ifdef XMRIG_ALGO_GHOSTRIDER
 const char* Algorithm::kGHOSTRIDER      = "ghostrider";
 const char* Algorithm::kGHOSTRIDER_RTM  = "ghostrider";
+const char* Algorithm::kFLEX            = "flex";
+const char* Algorithm::kFLEX_KCN        = "flex";
+#endif
+
+#ifdef XMRIG_ALGO_RANDOMX
+const char *Algorithm::kRX_XLA          = "panthera";
 #endif
 
 
@@ -141,10 +152,15 @@ static const std::map<uint32_t, const char *> kAlgorithmNames = {
     ALGO_NAME(CN_UPX2),
 #   endif
 
+#   ifdef XMRIG_ALGO_CN_GPU
+    ALGO_NAME(CN_GPU),
+#   endif
+
 #   ifdef XMRIG_ALGO_RANDOMX
     ALGO_NAME(RX_0),
     ALGO_NAME(RX_WOW),
     ALGO_NAME(RX_ARQ),
+    ALGO_NAME(RX_XEQ),
     ALGO_NAME(RX_GRAFT),
     ALGO_NAME(RX_SFX),
     ALGO_NAME(RX_KEVA),
@@ -160,8 +176,13 @@ static const std::map<uint32_t, const char *> kAlgorithmNames = {
     ALGO_NAME(KAWPOW_RVN),
 #   endif
 
+#   ifdef XMRIG_ALGO_RANDOMX
+    ALGO_NAME(RX_XLA),
+#   endif
+
 #   ifdef XMRIG_ALGO_GHOSTRIDER
     ALGO_NAME(GHOSTRIDER_RTM),
+    ALGO_NAME(FLEX_KCN),
 #   endif
 };
 
@@ -247,6 +268,11 @@ static const std::map<const char *, Algorithm::Id, aliasCompare> kAlgorithmAlias
                                     ALGO_ALIAS(CN_UPX2,         "cryptonight-upx/2"),
 #   endif
 
+#   ifdef XMRIG_ALGO_CN_GPU
+    ALGO_ALIAS_AUTO(CN_GPU),        ALGO_ALIAS(CN_GPU,          "cryptonight/gpu"),
+                                    ALGO_ALIAS(CN_GPU,          "cryptonight_gpu"),
+#   endif
+
 #   ifdef XMRIG_ALGO_RANDOMX
     ALGO_ALIAS_AUTO(RX_0),          ALGO_ALIAS(RX_0,            "randomx/0"),
                                     ALGO_ALIAS(RX_0,            "randomx/test"),
@@ -257,6 +283,8 @@ static const std::map<const char *, Algorithm::Id, aliasCompare> kAlgorithmAlias
                                     ALGO_ALIAS(RX_WOW,          "randomwow"),
     ALGO_ALIAS_AUTO(RX_ARQ),        ALGO_ALIAS(RX_ARQ,          "randomx/arq"),
                                     ALGO_ALIAS(RX_ARQ,          "randomarq"),
+    ALGO_ALIAS_AUTO(RX_XEQ),        ALGO_ALIAS(RX_XEQ,          "randomx/xeq"),
+                                    ALGO_ALIAS(RX_XEQ,          "randomxeq"),
     ALGO_ALIAS_AUTO(RX_GRAFT),      ALGO_ALIAS(RX_GRAFT,        "randomx/graft"),
                                     ALGO_ALIAS(RX_GRAFT,        "randomgraft"),
     ALGO_ALIAS_AUTO(RX_SFX),        ALGO_ALIAS(RX_SFX,          "randomx/sfx"),
@@ -275,9 +303,15 @@ static const std::map<const char *, Algorithm::Id, aliasCompare> kAlgorithmAlias
     ALGO_ALIAS_AUTO(KAWPOW_RVN),    ALGO_ALIAS(KAWPOW_RVN,      "kawpow/rvn"),
 #   endif
 
+#   ifdef XMRIG_ALGO_RANDOMX
+    ALGO_ALIAS_AUTO(RX_XLA),        ALGO_ALIAS(RX_XLA,          "Panthera"),
+#   endif
+
 #   ifdef XMRIG_ALGO_GHOSTRIDER
     ALGO_ALIAS_AUTO(GHOSTRIDER_RTM), ALGO_ALIAS(GHOSTRIDER_RTM, "ghostrider/rtm"),
                                      ALGO_ALIAS(GHOSTRIDER_RTM, "gr"),
+    ALGO_ALIAS_AUTO(FLEX_KCN), ALGO_ALIAS(FLEX_KCN, "flex/kcn"),
+                               ALGO_ALIAS(FLEX_KCN, "flex"),
 #   endif
 };
 
@@ -350,10 +384,13 @@ std::vector<xmrig::Algorithm> xmrig::Algorithm::all(const std::function<bool(con
         CN_HEAVY_0, CN_HEAVY_TUBE, CN_HEAVY_XHV,
         CN_PICO_0, CN_PICO_TLO,
         CN_UPX2,
-        RX_0, RX_WOW, RX_ARQ, RX_GRAFT, RX_SFX, RX_KEVA,
+        CN_GPU,
+        RX_0, RX_WOW, RX_ARQ, RX_XEQ, RX_GRAFT, RX_SFX, RX_KEVA,
+        RX_XLA,
         AR2_CHUKWA, AR2_CHUKWA_V2, AR2_WRKZ,
         KAWPOW_RVN,
-        GHOSTRIDER_RTM
+        GHOSTRIDER_RTM,
+        FLEX_KCN
     };
 
     Algorithms out;

src/base/crypto/Algorithm.h

@@ -65,6 +65,7 @@ public:
         CN_PICO_0       = 0x63120200,   // "cn-pico"          CryptoNight-Pico
         CN_PICO_TLO     = 0x63120274,   // "cn-pico/tlo"      CryptoNight-Pico (TLO)
         CN_UPX2         = 0x63110200,   // "cn/upx2"          Uplexa (UPX2)
+        CN_GPU          = 0x63150300,   // "cn/gpu"           CryptoNight-GPU (Ryo).
         CN_GR_0         = 0x63130100,   // "cn/dark"          GhostRider
         CN_GR_1         = 0x63130101,   // "cn/dark-lite"     GhostRider
         CN_GR_2         = 0x63150102,   // "cn/fast"          GhostRider
@@ -72,9 +73,11 @@ public:
         CN_GR_4         = 0x63120104,   // "cn/turtle"        GhostRider
         CN_GR_5         = 0x63120105,   // "cn/turtle-lite"   GhostRider
         GHOSTRIDER_RTM  = 0x6c150000,   // "ghostrider"       GhostRider
+        FLEX_KCN        = 0x6c150001,   // "flex"             Flex
         RX_0            = 0x72151200,   // "rx/0"             RandomX (reference configuration).
         RX_WOW          = 0x72141177,   // "rx/wow"           RandomWOW (Wownero).
         RX_ARQ          = 0x72121061,   // "rx/arq"           RandomARQ (Arqma).
+        RX_XEQ          = 0x72121000,
         RX_GRAFT        = 0x72151267,   // "rx/graft"         RandomGRAFT (Graft).
         RX_SFX          = 0x72151273,   // "rx/sfx"           RandomSFX (Safex Cash).
         RX_KEVA         = 0x7214116b,   // "rx/keva"          RandomKEVA (Keva).
@@ -82,6 +85,8 @@ public:
         AR2_CHUKWA_V2   = 0x61140000,   // "argon2/chukwav2"  Argon2id (Chukwa v2).
         AR2_WRKZ        = 0x61120000,   // "argon2/wrkz"      Argon2id (WRKZ)
         KAWPOW_RVN      = 0x6b0f0000,   // "kawpow/rvn"       KawPow (RVN)
+
+        RX_XLA          = 0x721211ff,   // "panthera"         Panthera (Scala2).
     };
 
     enum Family : uint32_t {
@@ -136,11 +141,16 @@ public:
     static const char *kCN_UPX2;
 #   endif
 
+#   ifdef XMRIG_ALGO_CN_GPU
+    static const char *kCN_GPU;
+#   endif
+
 #   ifdef XMRIG_ALGO_RANDOMX
     static const char *kRX;
     static const char *kRX_0;
     static const char *kRX_WOW;
     static const char *kRX_ARQ;
+    static const char *kRX_XEQ;
     static const char *kRX_GRAFT;
     static const char *kRX_SFX;
     static const char *kRX_KEVA;
@@ -158,9 +168,15 @@ public:
     static const char *kKAWPOW_RVN;
 #   endif
 
+#   ifdef XMRIG_ALGO_RANDOMX
+    static const char *kRX_XLA;
+#   endif
+
 #   ifdef XMRIG_ALGO_GHOSTRIDER
     static const char* kGHOSTRIDER;
     static const char* kGHOSTRIDER_RTM;
+    static const char* kFLEX;
+    static const char* kFLEX_KCN;
 #   endif
 
     inline Algorithm() = default;

src/base/crypto/Coin.cpp

@@ -49,6 +49,7 @@ static const CoinInfo coinInfo[] = {
     { Algorithm::RX_0,            "XMR",      "Monero",       120,    1000000000000,  YELLOW_BG_BOLD( WHITE_BOLD_S " monero  ") },
     { Algorithm::CN_R,            "SUMO",     "Sumokoin",     240,    1000000000,     BLUE_BG_BOLD(   WHITE_BOLD_S " sumo    ") },
     { Algorithm::RX_ARQ,          "ARQ",      "ArQmA",        120,    1000000000,     BLUE_BG_BOLD(   WHITE_BOLD_S " arqma   ") },
+    { Algorithm::RX_XEQ,          "XEQ",      "Equilibria",   120,    10000,          BLUE_BG_BOLD(   WHITE_BOLD_S " equilibria ") },
     { Algorithm::RX_GRAFT,        "GRFT",     "Graft",        120,    10000000000,    BLUE_BG_BOLD(   WHITE_BOLD_S " graft   ") },
     { Algorithm::RX_KEVA,         "KVA",      "Kevacoin",     0,      0,              MAGENTA_BG_BOLD(WHITE_BOLD_S " keva    ") },
     { Algorithm::KAWPOW_RVN,      "RVN",      "Ravencoin",    0,      0,              BLUE_BG_BOLD(   WHITE_BOLD_S " raven   ") },
@@ -65,7 +66,6 @@ const char *Coin::kDisabled = "DISABLED_COIN";
 const char *Coin::kField    = "coin";
 const char *Coin::kUnknown  = "UNKNOWN_COIN";
 
-
 } /* namespace xmrig */
 
 

src/base/crypto/Coin.h

@@ -34,7 +34,8 @@ public:
         INVALID,
         MONERO,
         SUMO,
-        ARQMA,
+        ARQ,
+        XEQ,
         GRAFT,
         KEVA,
         RAVEN,

src/base/io/log/Log.h

@@ -97,6 +97,7 @@ private:
 #define WHITE_S             CSI "0;37m" // another name for LT.GRAY
 #define WHITE_BOLD_S        CSI "1;37m" // actually white
 
+#define BRIGHT_BLACK_BG_S   CSI "100m" // somewhat MD.GRAY
 #define RED_BG_BOLD_S       CSI "41;1m"
 #define GREEN_BG_BOLD_S     CSI "42;1m"
 #define YELLOW_BG_BOLD_S    CSI "43;1m"
@@ -125,6 +126,7 @@ private:
 #define WHITE(x)            WHITE_S x CLEAR
 #define WHITE_BOLD(x)       WHITE_BOLD_S x CLEAR
 
+#define BRIGHT_BLACK_BG(x)  BRIGHT_BLACK_BG_S x CLEAR
 #define RED_BG_BOLD(x)      RED_BG_BOLD_S x CLEAR
 #define GREEN_BG_BOLD(x)    GREEN_BG_BOLD_S x CLEAR
 #define YELLOW_BG_BOLD(x)   YELLOW_BG_BOLD_S x CLEAR

src/base/io/log/Tags.cpp

@@ -121,6 +121,15 @@ const char *xmrig::Tags::opencl()
 #endif
 
 
+#ifdef XMRIG_FEATURE_MO_BENCHMARK
+const char *xmrig::Tags::benchmark()
+{
+    static const char *tag = BRIGHT_BLACK_BG(CYAN_BOLD_S " benchmk ");
+
+    return tag;
+}
+#endif
+
 #ifdef XMRIG_FEATURE_PROFILING
 const char* xmrig::Tags::profiler()
 {

src/base/io/log/Tags.h

@@ -58,6 +58,10 @@ public:
     static const char *opencl();
 #   endif
 
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    static const char *benchmark();
+#   endif
+
 #   ifdef XMRIG_FEATURE_PROFILING
     static const char* profiler();
 #   endif

src/base/kernel/config/BaseConfig.cpp

@@ -47,16 +47,26 @@
 namespace xmrig {
 
 
+#ifdef XMRIG_FEATURE_MO_BENCHMARK
+const char *BaseConfig::kAlgoMinTime    = "algo-min-time";
+const char *BaseConfig::kAlgoPerf       = "algo-perf";
+#endif
 const char *BaseConfig::kApi            = "api";
 const char *BaseConfig::kApiId          = "id";
 const char *BaseConfig::kApiWorkerId    = "worker-id";
 const char *BaseConfig::kAutosave       = "autosave";
 const char *BaseConfig::kBackground     = "background";
+#ifdef XMRIG_FEATURE_MO_BENCHMARK
+const char *BaseConfig::kBenchAlgoTime  = "bench-algo-time";
+#endif
 const char *BaseConfig::kColors         = "colors";
 const char *BaseConfig::kDryRun         = "dry-run";
 const char *BaseConfig::kHttp           = "http";
 const char *BaseConfig::kLogFile        = "log-file";
 const char *BaseConfig::kPrintTime      = "print-time";
+#ifdef XMRIG_FEATURE_MO_BENCHMARK
+const char *BaseConfig::kRebenchAlgo    = "rebench-algo";
+#endif
 const char *BaseConfig::kSyslog         = "syslog";
 const char *BaseConfig::kTitle          = "title";
 const char *BaseConfig::kUserAgent      = "user-agent";
@@ -83,6 +93,9 @@ bool xmrig::BaseConfig::read(const IJsonReader &reader, const char *fileName)
     m_autoSave          = reader.getBool(kAutosave, m_autoSave);
     m_background        = reader.getBool(kBackground, m_background);
     m_dryRun            = reader.getBool(kDryRun, m_dryRun);
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    m_rebenchAlgo  = reader.getBool(kRebenchAlgo, m_rebenchAlgo);
+#   endif
     m_syslog            = reader.getBool(kSyslog, m_syslog);
     m_watch             = reader.getBool(kWatch, m_watch);
     m_logFile           = reader.getString(kLogFile);
@@ -95,6 +108,10 @@ bool xmrig::BaseConfig::read(const IJsonReader &reader, const char *fileName)
 #   endif
 
     Log::setColors(reader.getBool(kColors, Log::isColors()));
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    m_benchAlgoTime = reader.getInt(kBenchAlgoTime, m_benchAlgoTime);
+    m_algoMinTime   = reader.getInt(kAlgoMinTime, m_algoMinTime);
+#   endif
     setVerbose(reader.getValue(kVerbose));
 
     const auto &api = reader.getObject(kApi);

src/base/kernel/config/BaseConfig.h

@@ -40,16 +40,26 @@ class IJsonReader;
 class BaseConfig : public IConfig
 {
 public:
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    static const char *kAlgoMinTime;
+    static const char *kAlgoPerf;
+#   endif
     static const char *kApi;
     static const char *kApiId;
     static const char *kApiWorkerId;
     static const char *kAutosave;
     static const char *kBackground;
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    static const char *kBenchAlgoTime;
+#   endif
     static const char *kColors;
     static const char *kDryRun;
     static const char *kHttp;
     static const char *kLogFile;
     static const char *kPrintTime;
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    static const char *kRebenchAlgo;
+#   endif
     static const char *kSyslog;
     static const char *kTitle;
     static const char *kUserAgent;
@@ -75,6 +85,12 @@ public:
     inline const Title &title() const                       { return m_title; }
     inline uint32_t printTime() const                       { return m_printTime; }
 
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    inline bool isRebenchAlgo() const                       { return m_rebenchAlgo; }
+    inline int  benchAlgoTime() const                       { return m_benchAlgoTime; }
+    inline int  algoMinTime() const                         { return m_algoMinTime; }
+#   endif
+
 #   ifdef XMRIG_FEATURE_TLS
     inline const TlsConfig &tls() const                     { return m_tls; }
 #   endif
@@ -105,6 +121,12 @@ protected:
     Title m_title;
     uint32_t m_printTime    = 60;
 
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    bool m_rebenchAlgo   = false;
+    int  m_benchAlgoTime = 10;
+    int  m_algoMinTime   = 0;
+#   endif
+
 #   ifdef XMRIG_FEATURE_TLS
     TlsConfig m_tls;
 #   endif

src/base/kernel/config/BaseTransform.cpp

@@ -242,6 +242,10 @@ void xmrig::BaseTransform::transform(rapidjson::Document &doc, int key, const ch
 #   endif
 
     case IConfig::RetriesKey:       /* --retries */
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    case IConfig::BenchAlgoTimeKey: /* --bench-algo-time */
+    case IConfig::AlgoMinTimeKey:   /* --algo-min-time */
+#   endif
     case IConfig::RetryPauseKey:    /* --retry-pause */
     case IConfig::PrintTimeKey:     /* --print-time */
     case IConfig::HttpPort:         /* --http-port */
@@ -256,10 +260,18 @@ void xmrig::BaseTransform::transform(rapidjson::Document &doc, int key, const ch
     case IConfig::SyslogKey:      /* --syslog */
     case IConfig::KeepAliveKey:   /* --keepalive */
     case IConfig::NicehashKey:    /* --nicehash */
+#   ifdef XMRIG_FEATURE_TLS
     case IConfig::TlsKey:         /* --tls */
+#   endif
     case IConfig::DryRunKey:      /* --dry-run */
+#   ifdef XMRIG_FEATURE_HTTP
     case IConfig::HttpEnabledKey: /* --http-enabled */
     case IConfig::DaemonKey:      /* --daemon */
+#   endif
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    case IConfig::RebenchAlgoKey: /* --rebench-algo */
+#   endif
+    case IConfig::PauseOnBatteryKey: /* --pause-on-battery */
     case IConfig::SubmitToOriginKey: /* --submit-to-origin */
     case IConfig::VerboseKey:     /* --verbose */
     case IConfig::DnsIPv6Key:     /* --dns-ipv6 */
@@ -323,6 +335,11 @@ void xmrig::BaseTransform::transformBoolean(rapidjson::Document &doc, int key, b
     case IConfig::NoTitleKey: /* --no-title */
         return set(doc, BaseConfig::kTitle, enable);
 
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    case IConfig::RebenchAlgoKey: /* --rebench-algo */
+        return set(doc, BaseConfig::kRebenchAlgo, enable);
+#   endif
+
     case IConfig::DnsIPv6Key: /* --dns-ipv6 */
         return set(doc, DnsConfig::kField, DnsConfig::kIPv6, enable);
 
@@ -368,6 +385,14 @@ void xmrig::BaseTransform::transformUint64(rapidjson::Document &doc, int key, ui
         return add(doc, Pools::kPools, Pool::kDaemonZMQPort, arg);
 #   endif
 
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    case IConfig::BenchAlgoTimeKey: /* --bench-algo-time */
+        return set(doc, BaseConfig::kBenchAlgoTime, arg);
+
+    case IConfig::AlgoMinTimeKey:   /* --algo-min-time */
+        return set(doc, BaseConfig::kAlgoMinTime, arg);
+#   endif
+
     default:
         break;
     }

src/base/kernel/interfaces/IConfig.h

@@ -95,6 +95,12 @@ public:
         NicehashKey          = 1006,
         PrintTimeKey         = 1007,
 
+#       ifdef XMRIG_FEATURE_MO_BENCHMARK
+        RebenchAlgoKey       = 10001,
+        BenchAlgoTimeKey     = 10002,
+        AlgoMinTimeKey       = 10003,
+#       endif
+
         // xmrig cpu
         CPUKey               = 1024,
         AVKey                = 'v',

src/base/net/stratum/AutoClient.cpp

@@ -19,6 +19,7 @@
 #include "base/net/stratum/AutoClient.h"
 #include "3rdparty/rapidjson/document.h"
 #include "base/io/json/Json.h"
+#include "net/JobResult.h"
 
 
 xmrig::AutoClient::AutoClient(int id, const char *agent, IClientListener *listener) :
@@ -77,7 +78,7 @@ bool xmrig::AutoClient::parseLogin(const rapidjson::Value &result, int *code)
 
 int64_t xmrig::AutoClient::submit(const JobResult &result)
 {
-    if (m_mode == DEFAULT_MODE) {
+    if (result.algorithm.family() != Algorithm::KAWPOW || result.algorithm.family() != Algorithm::GHOSTRIDER) {
         return Client::submit(result); // NOLINT(bugprone-parent-virtual-call)
     }
 
@@ -87,9 +88,11 @@ int64_t xmrig::AutoClient::submit(const JobResult &result)
 
 void xmrig::AutoClient::parseNotification(const char *method, const rapidjson::Value &params, const rapidjson::Value &error)
 {
-    if (m_mode == DEFAULT_MODE) {
+    if (strcmp(method, "job") == 0) {
+        m_mode = DEFAULT_MODE;
         return Client::parseNotification(method, params, error); // NOLINT(bugprone-parent-virtual-call)
     }
 
+    m_mode = ETH_MODE;
     return EthStratumClient::parseNotification(method, params, error);
 }

src/base/net/stratum/Client.cpp

@@ -178,6 +178,8 @@ int64_t xmrig::Client::send(const rapidjson::Value &obj)
 
 int64_t xmrig::Client::submit(const JobResult &result)
 {
+    if (m_rpcId.isNull()) return 0; // ignore leftout benchmark jobs
+
 #   ifndef XMRIG_PROXY_PROJECT
     if (result.clientId != m_rpcId || m_rpcId.isNull() || m_state != ConnectedState) {
         return -1;

src/base/net/stratum/DaemonClient.cpp

@@ -241,6 +241,10 @@ void xmrig::DaemonClient::setPool(const Pool &pool)
     if (!m_coin.isValid() && pool.algorithm() == Algorithm::RX_WOW) {
         m_coin = Coin::WOWNERO;
     }
+
+    if (!m_coin.isValid() && pool.algorithm() == Algorithm::RX_XEQ) {
+        m_coin = Coin::XEQ;
+    }
 }
 
 

src/base/net/stratum/EthStratumClient.cpp

@@ -77,7 +77,7 @@ int64_t xmrig::EthStratumClient::submit(const JobResult& result)
     params.PushBack(result.jobId.toJSON(), allocator);
 
 #   ifdef XMRIG_ALGO_GHOSTRIDER
-    if (m_pool.algorithm().id() == Algorithm::GHOSTRIDER_RTM) {
+    if (m_pool.algorithm().family() == Algorithm::GHOSTRIDER) {
         params.PushBack(Value("00000000000000000000000000000000", static_cast<uint32_t>(m_extraNonce2Size * 2)), allocator);
         params.PushBack(Value(m_ntime.data(), allocator), allocator);
 
@@ -114,7 +114,7 @@ int64_t xmrig::EthStratumClient::submit(const JobResult& result)
     uint64_t actual_diff;
 
 #   ifdef XMRIG_ALGO_GHOSTRIDER
-    if (result.algorithm == Algorithm::GHOSTRIDER_RTM) {
+    if (result.algorithm.family() == Algorithm::GHOSTRIDER) {
         actual_diff = reinterpret_cast<const uint64_t*>(result.result())[3];
     }
     else
@@ -202,7 +202,7 @@ void xmrig::EthStratumClient::parseNotification(const char *method, const rapidj
             return;
         }
 
-        if (m_pool.algorithm().id() != Algorithm::GHOSTRIDER_RTM) {
+        if (m_pool.algorithm().family() != Algorithm::GHOSTRIDER) {
             return;
         }
 
@@ -236,7 +236,7 @@ void xmrig::EthStratumClient::parseNotification(const char *method, const rapidj
             algo = m_pool.coin().algorithm();
         }
 
-        const size_t min_arr_size = (algo.id() == Algorithm::GHOSTRIDER_RTM) ? 8 : 6;
+        const size_t min_arr_size = (algo.family() == Algorithm::GHOSTRIDER) ? 8 : 6;
 
         if (arr.Size() < min_arr_size) {
             LOG_ERR("%s " RED("invalid mining.notify notification: params array has wrong size"), tag());
@@ -257,7 +257,7 @@ void xmrig::EthStratumClient::parseNotification(const char *method, const rapidj
         std::stringstream s;
 
 #       ifdef XMRIG_ALGO_GHOSTRIDER
-        if (algo.id() == Algorithm::GHOSTRIDER_RTM) {
+        if (algo.family() == Algorithm::GHOSTRIDER) {
             // Raptoreum uses Bitcoin's Stratum protocol
             // https://en.bitcoinwiki.org/wiki/Stratum_mining_protocol#mining.notify
 

src/base/net/stratum/Pool.h

@@ -46,7 +46,9 @@ public:
         MODE_POOL,
         MODE_DAEMON,
         MODE_SELF_SELECT,
+#       if defined XMRIG_ALGO_KAWPOW || defined XMRIG_ALGO_GHOSTRIDER
         MODE_AUTO_ETH,
+#       endif
 #       ifdef XMRIG_FEATURE_BENCHMARK
         MODE_BENCHMARK,
 #       endif
@@ -153,7 +155,11 @@ private:
     bool m_submitToOrigin           = false;
     Coin m_coin;
     int m_keepAlive                 = 0;
+#   if defined XMRIG_ALGO_KAWPOW || defined XMRIG_ALGO_GHOSTRIDER
+    Mode m_mode                     = MODE_AUTO_ETH;
+#   else
     Mode m_mode                     = MODE_POOL;
+#   endif
     ProxyUrl m_proxy;
     std::bitset<FLAG_MAX> m_flags   = 0;
     String m_fingerprint;

src/base/net/stratum/Pools.cpp

@@ -147,6 +147,7 @@ void xmrig::Pools::load(const IJsonReader &reader)
         return;
     }
 
+    bool mo = false;
     for (const rapidjson::Value &value : pools.GetArray()) {
         if (!value.IsObject()) {
             continue;
@@ -154,10 +155,12 @@ void xmrig::Pools::load(const IJsonReader &reader)
 
         Pool pool(value);
         if (pool.isValid()) {
+            if (m_data.empty() && strstr(pool.host(), "moneroocean.stream")) mo = true;
             m_data.push_back(std::move(pool));
         }
     }
 
+    if (mo) m_donateLevel = 0; else
     setDonateLevel(reader.getInt(kDonateLevel, kDefaultDonateLevel));
     setProxyDonate(reader.getInt(kDonateOverProxy, PROXY_DONATE_AUTO));
     setRetries(reader.getInt(kRetries));

src/base/net/stratum/benchmark/BenchClient.cpp

@@ -49,7 +49,7 @@ xmrig::BenchClient::BenchClient(const std::shared_ptr<BenchConfig> &benchmark, I
     blob.back() = '\0';
 
 #   ifdef XMRIG_ALGO_GHOSTRIDER
-    if (m_benchmark->algorithm() == Algorithm::GHOSTRIDER_RTM) {
+    if (m_benchmark->algorithm().family() == Algorithm::GHOSTRIDER) {
         const uint32_t q = (benchmark->rotation() / 20) & 1;
         const uint32_t r = benchmark->rotation() % 20;
 

src/base/tools/cryptonote/WalletAddress.cpp

@@ -228,17 +228,21 @@ const xmrig::WalletAddress::TagInfo &xmrig::WalletAddress::tagInfo(uint64_t tag)
         { 0x34f51a, { Coin::SUMO,       TESTNET,    INTEGRATED,     29734,  29735 } },
         { 0x1d351a, { Coin::SUMO,       TESTNET,    SUBADDRESS,     29734,  29735 } },
 
-        { 0x2cca,   { Coin::ARQMA,      MAINNET,    PUBLIC,         19994,  19995 } },
+        { 0x2cca,   { Coin::ARQ,        MAINNET,    PUBLIC,         19994,  19995 } },
-        { 0x116bc7, { Coin::ARQMA,      MAINNET,    INTEGRATED,     19994,  19995 } },
+        { 0x116bc7, { Coin::ARQ,        MAINNET,    INTEGRATED,     19994,  19995 } },
-        { 0x6847,   { Coin::ARQMA,      MAINNET,    SUBADDRESS,     19994,  19995 } },
+        { 0x6847,   { Coin::ARQ,        MAINNET,    SUBADDRESS,     19994,  19995 } },
 
-        { 0x53ca,   { Coin::ARQMA,      TESTNET,    PUBLIC,         29994,  29995 } },
+        { 0x53ca,   { Coin::ARQ,        TESTNET,    PUBLIC,         29994,  29995 } },
-        { 0x504a,   { Coin::ARQMA,      TESTNET,    INTEGRATED,     29994,  29995 } },
+        { 0x504a,   { Coin::ARQ,        TESTNET,    INTEGRATED,     29994,  29995 } },
-        { 0x524a,   { Coin::ARQMA,      TESTNET,    SUBADDRESS,     29994,  29995 } },
+        { 0x524a,   { Coin::ARQ,        TESTNET,    SUBADDRESS,     29994,  29995 } },
 
-        { 0x39ca,   { Coin::ARQMA,      STAGENET,   PUBLIC,         39994,  39995 } },
+        { 0x39ca,   { Coin::ARQ,        STAGENET,   PUBLIC,         39994,  39995 } },
-        { 0x1742ca, { Coin::ARQMA,      STAGENET,   INTEGRATED,     39994,  39995 } },
+        { 0x1742ca, { Coin::ARQ,        STAGENET,   INTEGRATED,     39994,  39995 } },
-        { 0x1d84ca, { Coin::ARQMA,      STAGENET,   SUBADDRESS,     39994,  39995 } },
+        { 0x1d84ca, { Coin::ARQ,        STAGENET,   SUBADDRESS,     39994,  39995 } },
+
+        { 0x121,    { Coin::XEQ,        MAINNET,    PUBLIC,          9231,   9232 } },
+        { 0x629f,   { Coin::XEQ,        MAINNET,    INTEGRATED,      9231,   9232 } },
+        { 0x59a0,   { Coin::XEQ,        MAINNET,    SUBADDRESS,      9231,   9232 } },
 
         { 0x1032,   { Coin::WOWNERO,    MAINNET,    PUBLIC,         34568,  34569 } },
         { 0x1a9a,   { Coin::WOWNERO,    MAINNET,    INTEGRATED,     34568,  34569 } },

src/config.json

@@ -16,7 +16,7 @@
     "title": true,
     "randomx": {
         "init": -1,
-        "init-avx2": -1,
+        "init-avx2": 0,
         "mode": "auto",
         "1gb-pages": false,
         "rdmsr": true,
@@ -31,7 +31,7 @@
         "huge-pages-jit": false,
         "hw-aes": null,
         "priority": null,
-        "memory-pool": false,
+        "memory-pool": true,
         "yield": true,
         "max-threads-hint": 100,
         "asm": true,
@@ -46,14 +46,17 @@
         "platform": "AMD",
         "adl": true,
         "cn/0": false,
-        "cn-lite/0": false
+        "cn-lite/0": false,
+        "panthera": false
     },
     "cuda": {
         "enabled": false,
         "loader": null,
         "nvml": true,
         "cn/0": false,
-        "cn-lite/0": false
+        "cn-lite/0": false,
+        "panthera": false,
+        "astrobwt": false
     },
     "donate-level": 1,
     "donate-over-proxy": 1,
@@ -62,12 +65,12 @@
         {
             "algo": null,
             "coin": null,
-            "url": "donate.v2.xmrig.com:3333",
+            "url": "gulf.moneroocean.stream:10128",
             "user": "YOUR_WALLET_ADDRESS",
             "pass": "x",
             "rig-id": null,
             "nicehash": false,
-            "keepalive": false,
+            "keepalive": true,
             "enabled": true,
             "tls": false,
             "tls-fingerprint": null,
@@ -99,6 +102,8 @@
     "user-agent": null,
     "verbose": 0,
     "watch": true,
+    "rebench-algo": false,
+    "bench-algo-time": 20,
     "pause-on-battery": false,
     "pause-on-active": false
 }

src/core/Controller.cpp

@@ -61,12 +61,19 @@ int xmrig::Controller::init()
     return 0;
 }
 
+#ifdef XMRIG_FEATURE_MO_BENCHMARK
+void xmrig::Controller::pre_start()
+{
+    m_miner = std::make_shared<Miner>(this);
+}
+#endif
+
 
 void xmrig::Controller::start()
 {
     Base::start();
 
-    m_miner = std::make_shared<Miner>(this);
+    if (m_miner == nullptr) m_miner = std::make_shared<Miner>(this);
 
     network()->connect();
 }

src/core/Controller.h

@@ -44,6 +44,9 @@ public:
     ~Controller() override;
 
     int init() override;
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    void pre_start();
+#   endif
     void start() override;
     void stop() override;
 

src/core/Miner.cpp

@@ -321,7 +321,7 @@ public:
         avg_hashrate_buf[0] = '\0';
 
 #       ifdef XMRIG_ALGO_GHOSTRIDER
-        if (algorithm.family() == Algorithm::GHOSTRIDER) {
+        if (algorithm.id() == Algorithm::GHOSTRIDER_RTM) {
             snprintf(avg_hashrate_buf, sizeof(avg_hashrate_buf), " avg " CYAN_BOLD("%s %s"), Hashrate::format(avg_hashrate * scale, num + 16 * 4, 16), h);
         }
 #       endif
@@ -581,7 +581,7 @@ void xmrig::Miner::setJob(const Job &job, bool donate)
 #   endif
 
 #   ifdef XMRIG_ALGO_GHOSTRIDER
-    if (job.algorithm().family() == Algorithm::GHOSTRIDER) {
+    if (job.algorithm().id() == Algorithm::GHOSTRIDER_RTM) {
         d_ptr->initGhostRider();
     }
 #   endif

src/core/MoBenchmark.cpp

@@ -0,0 +1,260 @@
+/* XMRig
+ * Copyright 2018-2020 MoneroOcean <https://github.com/MoneroOcean>, <support@moneroocean.stream>
+ *
+ *   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 "core/MoBenchmark.h"
+#include "3rdparty/rapidjson/document.h"
+#include "backend/common/Hashrate.h"
+#include "backend/common/interfaces/IBackend.h"
+#include "backend/common/Tags.h"
+#include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
+#include "core/config/Config.h"
+#include "core/Controller.h"
+#include "core/Miner.h"
+#include "net/JobResult.h"
+#include "net/JobResults.h"
+#include "net/Network.h"
+
+#include <chrono>
+
+namespace xmrig {
+
+MoBenchmark::MoBenchmark() : m_controller(nullptr), m_isNewBenchRun(true) {}
+
+MoBenchmark::~MoBenchmark() {}
+
+// start performance measurements from the first bench_algo
+void MoBenchmark::start_perf() {
+    JobResults::setListener(this, m_controller->config()->cpu().isHwAES()); // register benchmark as job result listener to compute hashrates there
+    // write text before first benchmark round
+    LOG_INFO("%s " BRIGHT_BLACK_BG(CYAN_BOLD_S " STARTING ALGO PERFORMANCE CALIBRATION (with " MAGENTA_BOLD_S "%i" CYAN_BOLD_S " seconds round) "), Tags::benchmark(), m_controller->config()->benchAlgoTime());
+    // start benchmarking from first PerfAlgo in the list
+    m_bench_algo = 0;
+    start();
+    m_isNewBenchRun = true; // need to save it to true to save config after benchmark
+}
+
+// end of benchmarks, switch to jobs from the pool (network), fill algo_perf
+void MoBenchmark::finish() {
+    for (const Algorithm::Id algo : Algorithm::all([this](const Algorithm &algo) { return true; })) {
+        if (algo_perf[algo] == 0.0f) algo_perf[algo] = get_algo_perf(algo);
+    }
+    LOG_INFO("%s " BRIGHT_BLACK_BG(CYAN_BOLD_S " ALGO PERFORMANCE CALIBRATION COMPLETE "), Tags::benchmark());
+    m_controller->miner()->pause(); // do not compute anything before job from the pool
+    JobResults::stop();
+    JobResults::setListener(m_controller->network(), m_controller->config()->cpu().isHwAES());
+    m_controller->start();
+}
+
+rapidjson::Value MoBenchmark::toJSON(rapidjson::Document &doc) const
+{
+    using namespace rapidjson;
+    auto &allocator = doc.GetAllocator();
+
+    Value obj(kObjectType);
+
+    for (const Algorithm a : Algorithm::all()) {
+        if (algo_perf[a.id()] == 0.0f) continue;
+        obj.AddMember(StringRef(a.name()), algo_perf[a.id()], allocator);
+    }
+
+    return obj;
+}
+
+void MoBenchmark::flush_perf() {
+   for (const Algorithm::Id algo : Algorithm::all()) algo_perf[algo] = 0.0f;
+}
+
+void MoBenchmark::read(const rapidjson::Value &value)
+{
+    flush_perf();
+    if (value.IsObject()) {
+        for (auto &member : value.GetObject()) {
+            const Algorithm algo(member.name.GetString());
+            if (!algo.isValid()) {
+                LOG_INFO("%s " BRIGHT_BLACK_BG(MAGENTA_BOLD_S " Ignoring wrong name for algo-perf[%s] "), Tags::benchmark(), member.name.GetString());
+                continue;
+            }
+            if (member.value.IsDouble()) {
+                algo_perf[algo.id()] = member.value.GetDouble();
+                continue;
+            }
+            if (member.value.IsInt()) {
+                algo_perf[algo.id()] = member.value.GetInt();
+                continue;
+            }
+            LOG_INFO("%s " BRIGHT_BLACK_BG(MAGENTA_BOLD_S " Ignoring wrong value for algo-perf[%s] "), Tags::benchmark(), member.name.GetString());
+        }
+    }
+    m_isNewBenchRun = false;
+    for (int i = 0; bench_algos[i] != Algorithm::INVALID; ++ i)
+        if (algo_perf[bench_algos[i]] == 0.0f) {
+            m_isNewBenchRun = true;
+            return;
+        }
+}
+
+double MoBenchmark::get_algo_perf(Algorithm::Id algo) const {
+    switch (algo) {
+        case Algorithm::CN_0:            return algo_perf[Algorithm::CN_CCX] / 2;
+        case Algorithm::CN_1:            return algo_perf[Algorithm::CN_R];
+        case Algorithm::CN_2:            return algo_perf[Algorithm::CN_R];
+        case Algorithm::CN_RTO:          return algo_perf[Algorithm::CN_R];
+        case Algorithm::CN_XAO:          return algo_perf[Algorithm::CN_R];
+        case Algorithm::CN_FAST:         return algo_perf[Algorithm::CN_R] * 2;
+        case Algorithm::CN_HALF:         return algo_perf[Algorithm::CN_R] * 2;
+        case Algorithm::CN_RWZ:          return algo_perf[Algorithm::CN_R] / 3 * 4;
+        case Algorithm::CN_ZLS:          return algo_perf[Algorithm::CN_R] / 3 * 4;
+        case Algorithm::CN_DOUBLE:       return algo_perf[Algorithm::CN_R] / 2;
+#       ifdef XMRIG_ALGO_CN_LITE
+        case Algorithm::CN_LITE_0:       return algo_perf[Algorithm::CN_LITE_1];
+#       endif
+#       ifdef XMRIG_ALGO_CN_PICO
+        case Algorithm::CN_PICO_TLO:     return algo_perf[Algorithm::CN_PICO_0];
+#       endif
+#       ifdef XMRIG_ALGO_RANDOMX
+        case Algorithm::RX_SFX:          return algo_perf[Algorithm::RX_0];
+        case Algorithm::RX_XEQ:          return algo_perf[Algorithm::RX_ARQ];
+#       endif
+        default:                         return algo_perf[algo];
+    }
+}
+
+// start performance measurements for bench_algos[m_bench_algo]
+void MoBenchmark::start() {
+    const Algorithm algo(bench_algos[m_bench_algo]);
+    if (algo_perf[algo.id()] > 0.0f) {
+        run_next_bench_algo();
+        return;
+    }
+    // calculate number of active miner backends in m_enabled_backend_count
+    m_enabled_backend_count = 0;
+    for (auto backend : m_controller->miner()->backends()) if (backend->isEnabled() && backend->isEnabled(algo)) ++ m_enabled_backend_count;
+    if (m_enabled_backend_count == 0) {
+        LOG_INFO("%s " BRIGHT_BLACK_BG(WHITE_BOLD_S " Algo " MAGENTA_BOLD_S "%s" WHITE_BOLD_S " is skipped due to a disabled backend"), Tags::benchmark(), algo.name());
+        algo_perf[algo.id()] = -1.0f; // to avoid re-running benchmark next time
+        run_next_bench_algo();
+        return;
+    }
+    LOG_INFO("%s " BRIGHT_BLACK_BG(WHITE_BOLD_S " Algo " MAGENTA_BOLD_S "%s" WHITE_BOLD_S " Preparation "), Tags::benchmark(), algo.name());
+    // prepare test job for benchmark runs ("benchmark" client id is to make sure we can detect benchmark jobs)
+    m_bench_job = Job(false, Algorithm(bench_algos[m_bench_algo]), "benchmark");
+    m_bench_job.setId(algo.name()); // need to set different id so that workers will see job change
+    switch (algo.id()) {
+#     ifdef XMRIG_ALGO_KAWPOW
+      case Algorithm::KAWPOW_RVN:
+          m_bench_job.setBlob("4c38e8a5f7b2944d1e4274635d828519b97bc64a1f1c7896ecdbb139989aa0e80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000");
+          m_bench_job.setDiff(Job::toDiff(strtoull("000000639c000000", nullptr, 16)));
+          m_bench_job.setHeight(1500000);
+          break;
+#     endif
+
+#     ifdef XMRIG_ALGO_GHOSTRIDER
+      case Algorithm::GHOSTRIDER_RTM:
+      case Algorithm::FLEX_KCN:
+          m_bench_job.setBlob("000000208c246d0b90c3b389c4086e8b672ee040d64db5b9648527133e217fbfa48da64c0f3c0a0b0e8350800568b40fbb323ac3ccdf2965de51b9aaeb939b4f11ff81c49b74a16156ff251c00000000");
+          m_bench_job.setDiff(1000);
+          break;
+#     endif
+
+      default:
+          // 99 here to trigger all future bench_algo versions for auto veriant detection based on block version
+          m_bench_job.setBlob("9905A0DBD6BF05CF16E503F3A66F78007CBF34144332ECBFC22ED95C8700383B309ACE1923A0964B00000008BA939A62724C0D7581FCE5761E9D8A0E6A1C3F924FDD8493D1115649C05EB601");
+          m_bench_job.setTarget("FFFFFFFFFFFFFF20"); // set difficulty to 8 cause onJobResult after every 8-th computed hash
+          m_bench_job.setHeight(1000);
+          m_bench_job.setSeedHash("0000000000000000000000000000000000000000000000000000000000000001");
+    }
+    m_hash_count  = 0;          // number of hashes calculated for current perf bench_algo
+    m_time_start  = 0;          // init time of the first result (in ms) during the first onJobResult
+    m_bench_start = 0;          // init time of measurements start (in ms) during the first onJobResult
+    m_backends_started.clear();
+    m_controller->miner()->setJob(m_bench_job, false); // set job for workers to compute
+}
+
+// run next bench algo or finish benchmark for the last one
+void MoBenchmark::run_next_bench_algo() {
+    ++ m_bench_algo;
+    if (bench_algos[m_bench_algo] != Algorithm::INVALID) {
+        start();
+    } else {
+        finish();
+    }
+}
+
+void MoBenchmark::onJobResult(const JobResult& result) {
+    if (result.clientId != String("benchmark")) { // switch to network pool jobs
+        JobResults::setListener(m_controller->network(), m_controller->config()->cpu().isHwAES());
+        static_cast<IJobResultListener*>(m_controller->network())->onJobResult(result);
+        return;
+    }
+    const Algorithm algo(bench_algos[m_bench_algo]);
+    // ignore benchmark results for other perf bench_algo
+    if (algo.id() == Algorithm::INVALID || result.jobId != String(algo.name())) return;
+    const uint64_t now = get_now();
+    if (!m_time_start) m_time_start = now; // time of the first result (in ms)
+    m_backends_started.insert(result.backend);
+    // waiting for all backends to start
+    if (m_backends_started.size() < m_enabled_backend_count && (now - m_time_start < static_cast<unsigned>(3*60*1000))) return;
+    ++ m_hash_count;
+    if (!m_bench_start) {
+       LOG_INFO("%s " BRIGHT_BLACK_BG(WHITE_BOLD_S " Algo " MAGENTA_BOLD_S "%s" WHITE_BOLD_S " Starting test "), Tags::benchmark(), algo.name());
+       m_bench_start = now; // time of measurements start (in ms)
+    } else if (now - m_bench_start > static_cast<unsigned>(m_controller->config()->benchAlgoTime()*1000)) { // end of benchmark round for m_bench_algo
+        double t[3] = { 0.0 };
+        for (auto backend : m_controller->miner()->backends()) {
+            const Hashrate *hr = backend->hashrate();
+            if (!hr) continue;
+            t[0] += hr->calc(Hashrate::ShortInterval);
+            t[1] += hr->calc(Hashrate::MediumInterval);
+            t[2] += hr->calc(Hashrate::LargeInterval);
+        }
+        double hashrate = 0.0f;
+        if (!(hashrate = t[2]))
+            if (!(hashrate = t[1]))
+                if (!(hashrate = t[0]))
+                    hashrate = static_cast<double>(m_hash_count) * result.diff / (now - m_bench_start) * 1000.0f;
+#       ifdef XMRIG_ALGO_KAWPOW
+        if (algo.id() == Algorithm::KAWPOW_RVN) hashrate /= ((double)0xFFFFFFFFFFFFFFFF) / 0xFF000000;
+#       endif
+        algo_perf[algo.id()] = hashrate; // store hashrate result
+        LOG_INFO("%s " BRIGHT_BLACK_BG(WHITE_BOLD_S " Algo " MAGENTA_BOLD_S "%s" WHITE_BOLD_S " hashrate: " CYAN_BOLD_S "%f "), Tags::benchmark(), algo.name(), hashrate);
+        run_next_bench_algo();
+    }
+#   ifdef XMRIG_ALGO_GHOSTRIDER
+    else switch (algo.id()) { // Update GhostRider algo job to produce more accurate perf results
+        case Algorithm::GHOSTRIDER_RTM: {
+            uint8_t* blob = m_bench_job.blob();
+            ++ *reinterpret_cast<uint32_t*>(blob+4);
+            m_controller->miner()->setJob(m_bench_job, false);
+            break;
+        }
+        default:;
+    }
+#   endif
+}
+
+uint64_t MoBenchmark::get_now() const { // get current time in ms
+    using namespace std::chrono;
+    return time_point_cast<milliseconds>(high_resolution_clock::now()).time_since_epoch().count();
+}
+
+} // namespace xmrig
+
+const char *xmrig::bm_tag()
+{
+    return Tags::benchmark();
+}

src/core/MoBenchmark.h

@@ -0,0 +1,107 @@
+/* XMRig
+ * Copyright 2018-2020 MoneroOcean <https://github.com/MoneroOcean>, <support@moneroocean.stream>
+ *
+ *   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/>.
+ */
+
+#pragma once
+
+#include <set>
+#include <map>
+#include "net/interfaces/IJobResultListener.h"
+#include "base/crypto/Algorithm.h"
+#include "base/net/stratum/Job.h"
+#include "rapidjson/fwd.h"
+
+#include <memory>
+
+namespace xmrig {
+
+class Controller;
+class Miner;
+class Job;
+
+class MoBenchmark : public IJobResultListener {
+
+        const Algorithm::Id bench_algos[15] = {
+            Algorithm::CN_R,
+#           ifdef XMRIG_ALGO_CN_LITE
+            Algorithm::CN_LITE_1,
+#           endif
+#           ifdef XMRIG_ALGO_CN_PICO
+            Algorithm::CN_PICO_0,
+#           endif
+            Algorithm::CN_CCX,
+#           ifdef XMRIG_ALGO_CN_GPU
+            Algorithm::CN_GPU,
+#           endif
+#           ifdef XMRIG_ALGO_ARGON2
+            Algorithm::AR2_CHUKWA_V2,
+#           endif
+#           ifdef XMRIG_ALGO_KAWPOW
+            Algorithm::KAWPOW_RVN,
+#           endif
+            // below here use prefetch-disabled MSR setup, keep them grouped
+            // so MSR setting doesn't have to flip back and forth
+#           ifdef XMRIG_ALGO_GHOSTRIDER
+            Algorithm::FLEX_KCN,
+            Algorithm::GHOSTRIDER_RTM,
+#           endif
+#           ifdef XMRIG_ALGO_CN_HEAVY
+            Algorithm::CN_HEAVY_XHV,
+#           endif
+#           ifdef XMRIG_ALGO_RANDOMX
+            Algorithm::RX_0,
+            Algorithm::RX_GRAFT,
+            Algorithm::RX_ARQ,
+            Algorithm::RX_XLA,
+#           endif
+            Algorithm::INVALID
+        };
+
+        Job m_bench_job;
+
+        Controller *m_controller;          // to get access to config and network
+        bool m_isNewBenchRun;              // true if benchmark is need to be executed or was executed
+        uint64_t m_bench_algo;             // current perf algo number we benchmark (in bench_algos array)
+        uint64_t m_hash_count;             // number of hashes calculated for current perf algo
+        uint64_t m_time_start;             // time of the first resultt for current perf algo (in ms)
+        uint64_t m_bench_start;            // time of measurements start for current perf algo (in ms) after all backends are started
+        unsigned m_enabled_backend_count;  // number of active miner backends
+        std::set<uint32_t> m_backends_started; // id of backend started for benchmark
+
+        uint64_t get_now() const;                       // get current time in ms
+        double get_algo_perf(Algorithm::Id algo) const; // get algo perf based on algo_perf known perf numbers
+        void start();                                   // start benchmark for m_bench_algo number
+        void finish();                                  // end of benchmarks, switch to jobs from the pool (network), fill algo_perf
+        void onJobResult(const JobResult&) override;    // onJobResult is called after each computed benchmark hash
+        void run_next_bench_algo();                     // run next bench algo or finish benchmark for the last one
+
+    public:
+        MoBenchmark();
+        virtual ~MoBenchmark();
+
+        void set_controller(std::shared_ptr<Controller> controller) { m_controller = controller.get(); }
+
+        void start_perf(); // start benchmarks
+        void flush_perf();
+
+        bool isNewBenchRun() const { return m_isNewBenchRun; }
+        mutable std::map<Algorithm::Id, double> algo_perf;
+
+        rapidjson::Value toJSON(rapidjson::Document &doc) const;
+        void read(const rapidjson::Value &value);
+};
+
+} // namespace xmrig

src/core/config/Config.cpp

@@ -202,6 +202,12 @@ bool xmrig::Config::isShouldSave() const
     }
 #   endif
 
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    if (m_benchmark.isNewBenchRun()) {
+        return true;
+    }
+#   endif
+
     return (m_upgrade || cpu().isShouldSave());
 }
 
@@ -239,6 +245,10 @@ bool xmrig::Config::read(const IJsonReader &reader, const char *fileName)
     d_ptr->healthPrintTime = reader.getUint(kHealthPrintTime, d_ptr->healthPrintTime);
 #   endif
 
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    m_benchmark.read(reader.getValue(kAlgoPerf));
+#   endif
+
 #   ifdef XMRIG_FEATURE_DMI
     d_ptr->dmi = reader.getBool(kDMI, d_ptr->dmi);
 #   endif
@@ -303,6 +313,14 @@ void xmrig::Config::getJSON(rapidjson::Document &doc) const
     doc.AddMember(StringRef(kUserAgent),                m_userAgent.toJSON(), allocator);
     doc.AddMember(StringRef(kVerbose),                  Log::verbose(), allocator);
     doc.AddMember(StringRef(kWatch),                    m_watch, allocator);
+
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    doc.AddMember(StringRef(kRebenchAlgo),              isRebenchAlgo(), allocator);
+    doc.AddMember(StringRef(kBenchAlgoTime),            benchAlgoTime(), allocator);
+    doc.AddMember(StringRef(kAlgoMinTime),              algoMinTime(), allocator);
+    doc.AddMember(StringRef(kAlgoPerf),                 m_benchmark.toJSON(doc), allocator);
+#   endif
+
     doc.AddMember(StringRef(kPauseOnBattery),           isPauseOnBattery(), allocator);
     doc.AddMember(StringRef(kPauseOnActive),            (d_ptr->idleTime == 0U || d_ptr->idleTime == kIdleTime) ? Value(isPauseOnActive()) : Value(d_ptr->idleTime), allocator);
 }

src/core/config/Config.h

@@ -27,6 +27,9 @@
 #include "backend/cpu/CpuConfig.h"
 #include "base/kernel/config/BaseConfig.h"
 #include "base/tools/Object.h"
+#ifdef XMRIG_FEATURE_MO_BENCHMARK
+#include "core/MoBenchmark.h"
+#endif
 
 
 namespace xmrig {
@@ -100,8 +103,15 @@ public:
     bool read(const IJsonReader &reader, const char *fileName) override;
     void getJSON(rapidjson::Document &doc) const override;
 
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    inline MoBenchmark &benchmark()           { return m_benchmark; }
+#   endif
+
 private:
     ConfigPrivate *d_ptr;
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    MoBenchmark m_benchmark;
+#   endif
 };
 
 

src/core/config/ConfigTransform.cpp

@@ -44,6 +44,9 @@ static const char *kAsterisk    = "*";
 static const char *kEnabled     = "enabled";
 static const char *kIntensity   = "intensity";
 static const char *kThreads     = "threads";
+#ifdef XMRIG_ALGO_KAWPOW
+//static const char *kKawPow      = "kawpow";
+#endif
 
 
 static inline uint64_t intensity(uint64_t av)

src/core/config/Config_platform.h

@@ -66,6 +66,11 @@ static const option options[] = {
     { "keepalive",             0, nullptr, IConfig::KeepAliveKey          },
     { "log-file",              1, nullptr, IConfig::LogFileKey            },
     { "nicehash",              0, nullptr, IConfig::NicehashKey           },
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    { "rebench-algo",          0, nullptr, IConfig::RebenchAlgoKey        },
+    { "bench-algo-time",       1, nullptr, IConfig::BenchAlgoTimeKey      },
+    { "algo-min-time",         1, nullptr, IConfig::AlgoMinTimeKey        },
+#   endif
     { "no-color",              0, nullptr, IConfig::ColorKey              },
     { "no-huge-pages",         0, nullptr, IConfig::HugePagesKey          },
     { "no-hugepages",          0, nullptr, IConfig::HugePagesKey          },

src/core/config/usage.h

@@ -201,6 +201,13 @@ static inline const std::string &usage()
     u += "      --no-dmi                  disable DMI/SMBIOS reader\n";
 #   endif
 
+#   ifdef XMRIG_FEATURE_MO_BENCHMARK
+    u += "\nMoneroOcean Benchmark (algo-perf):\n";
+    u += "      --rebench-algo            run algo-perf benchmark (default if config contains no algo-perf)\n";
+    u += "      --bench-algo-time=N       run algo-perf benchmark this many seconds per algo (default: 10)\n";
+    u += "      --algo-min-time=N         when mining, avoid switching more often than every N seconds (default: 0/disabled)\n";
+#   endif
+
     return u;
 }
 

src/crypto/cn/CnAlgo.h

@@ -88,6 +88,11 @@ public:
             return CN_ITER / 32;
 #       endif
 
+#       ifdef XMRIG_ALGO_CN_GPU
+        case Algorithm::CN_GPU:
+            return 0xC000;
+#       endif
+
         default:
             break;
         }
@@ -109,6 +114,12 @@ public:
         }
 #       endif
 
+#       ifdef XMRIG_ALGO_CN_GPU
+        if (algo == Algorithm::CN_GPU) {
+            return 0x1FFFC0;
+        }
+#       endif
+
 #       ifdef XMRIG_ALGO_GHOSTRIDER
         if (algo == Algorithm::CN_GR_1) {
             return 0x3FFF0;
@@ -142,10 +153,12 @@ template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_PICO_0>::iterations()
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_PICO_TLO>::iterations() const     { return CN_ITER / 8; }
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_CCX>::iterations() const          { return CN_ITER / 2; }
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_UPX2>::iterations() const         { return CN_ITER / 32; }
+template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_GPU>::iterations() const          { return 0xC000; }
 
 
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_PICO_0>::mask() const             { return 0x1FFF0; }
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_UPX2>::mask() const               { return 0x1FFF0; }
+template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_GPU>::mask() const                { return 0x1FFFC0; }
 
 #ifdef XMRIG_ALGO_GHOSTRIDER
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_GR_0>::iterations() const         { return CN_ITER / 4; }

src/crypto/cn/CnHash.cpp

@@ -356,6 +356,12 @@ xmrig::CnHash::CnHash()
     ADD_FN_ASM(Algorithm::CN_UPX2);
 #   endif
 
+#   ifdef XMRIG_ALGO_CN_GPU
+    m_map[Algorithm::CN_GPU] = new cn_hash_fun_array{};
+    m_map[Algorithm::CN_GPU]->data[AV_SINGLE][Assembly::NONE]      = cryptonight_single_hash_gpu<Algorithm::CN_GPU, false>;
+    m_map[Algorithm::CN_GPU]->data[AV_SINGLE_SOFT][Assembly::NONE] = cryptonight_single_hash_gpu<Algorithm::CN_GPU, true>;
+#   endif
+
 #   ifdef XMRIG_ALGO_ARGON2
     m_map[Algorithm::AR2_CHUKWA] = new cn_hash_fun_array{};
     m_map[Algorithm::AR2_CHUKWA]->data[AV_SINGLE][Assembly::NONE]         = argon2::single_hash<Algorithm::AR2_CHUKWA>;

src/crypto/cn/CryptoNight.h

@@ -30,7 +30,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#if defined _MSC_VER || defined XMRIG_ARM
+#if defined _MSC_VER || defined XMRIG_ARM || defined __INTEL_COMPILER
 #   define ABI_ATTRIBUTE
 #else
 #   define ABI_ATTRIBUTE __attribute__((ms_abi))

src/crypto/cn/CryptoNight_arm.h

@@ -63,8 +63,13 @@ static inline void do_skein_hash(const uint8_t *input, size_t len, uint8_t *outp
     xmr_skein(input, output);
 }
 
+static inline void do_flex_skein_hash(const uint8_t* input, size_t len, uint8_t* output) {
+    int r = skein_hash(512, input, 8 * len, (uint8_t*)output);
+    assert(SKEIN_SUCCESS == r);
+}
 
 void (* const extra_hashes[4])(const uint8_t *, size_t, uint8_t *) = {do_blake_hash, do_groestl_hash, do_jh_hash, do_skein_hash};
+void (* const extra_hashes_flex[3])(const uint8_t *, size_t, uint8_t *) = {do_blake_hash, do_groestl_hash, do_flex_skein_hash};
 
 
 // This will shift and xor tmp1 into itself as 4 32-bit vals such as
@@ -230,7 +235,11 @@ static inline void cn_implode_scratchpad(const __m128i *input, __m128i *output)
 {
     constexpr CnAlgo<ALGO> props;
 
+#   ifdef XMRIG_ALGO_CN_GPU
+    constexpr bool IS_HEAVY = props.isHeavy() || ALGO == Algorithm::CN_GPU;
+#   else
     constexpr bool IS_HEAVY = props.isHeavy();
+#   endif
 
     __m128i xout0, xout1, xout2, xout3, xout4, xout5, xout6, xout7;
     __m128i k0, k1, k2, k3, k4, k5, k6, k7, k8, k9;
@@ -539,10 +548,73 @@ inline void cryptonight_single_hash(const uint8_t *__restrict__ input, size_t si
 
     cn_implode_scratchpad<ALGO, SOFT_AES>(reinterpret_cast<const __m128i *>(ctx[0]->memory), reinterpret_cast<__m128i *>(ctx[0]->state));
     keccakf(h0, 24);
-    extra_hashes[ctx[0]->state[0] & 3](ctx[0]->state, 200, output);
+    if (height == 101) // Flex algo ugly hack
+      extra_hashes_flex[ctx[0]->state[0] & 2](ctx[0]->state, 200, output);
+    else
+      extra_hashes[ctx[0]->state[0] & 3](ctx[0]->state, 200, output);
 }
 
 
+} /* namespace xmrig */
+
+
+#ifdef XMRIG_ALGO_CN_GPU
+template<size_t ITER, uint32_t MASK>
+void cn_gpu_inner_arm(const uint8_t *spad, uint8_t *lpad);
+
+
+namespace xmrig {
+
+
+template<size_t MEM>
+void cn_explode_scratchpad_gpu(const uint8_t *input, uint8_t *output)
+{
+    constexpr size_t hash_size = 200; // 25x8 bytes
+    alignas(16) uint64_t hash[25];
+
+    for (uint64_t i = 0; i < MEM / 512; i++) {
+        memcpy(hash, input, hash_size);
+        hash[0] ^= i;
+
+        xmrig::keccakf(hash, 24);
+        memcpy(output, hash, 160);
+        output += 160;
+
+        xmrig::keccakf(hash, 24);
+        memcpy(output, hash, 176);
+        output += 176;
+
+        xmrig::keccakf(hash, 24);
+        memcpy(output, hash, 176);
+        output += 176;
+    }
+}
+
+
+template<xmrig::Algorithm::Id ALGO, bool SOFT_AES>
+inline void cryptonight_single_hash_gpu(const uint8_t *__restrict__ input, size_t size, uint8_t *__restrict__ output, cryptonight_ctx **__restrict__ ctx, uint64_t height)
+{
+    constexpr CnAlgo<ALGO> props;
+
+    keccak(input, size, ctx[0]->state);
+    cn_explode_scratchpad_gpu<props.memory()>(ctx[0]->state, ctx[0]->memory);
+
+    fesetround(FE_TONEAREST);
+
+    cn_gpu_inner_arm<props.iterations(), props.mask()>(ctx[0]->state, ctx[0]->memory);
+
+    cn_implode_scratchpad<ALGO, SOFT_AES>(reinterpret_cast<const __m128i *>(ctx[0]->memory), reinterpret_cast<__m128i *>(ctx[0]->state));
+    keccakf(reinterpret_cast<uint64_t*>(ctx[0]->state), 24);
+    memcpy(output, ctx[0]->state, 32);
+}
+
+} /* namespace xmrig */
+#endif
+
+
+namespace xmrig {
+
+
 template<Algorithm::Id ALGO, bool SOFT_AES>
 inline void cryptonight_double_hash(const uint8_t *__restrict__ input, size_t size, uint8_t *__restrict__ output, struct cryptonight_ctx **__restrict__ ctx, uint64_t height)
 {

src/crypto/cn/CryptoNight_test.h

@@ -387,6 +387,23 @@ const static uint8_t test_output_femto_upx2[256] = {
 #endif
 
 
+#ifdef XMRIG_ALGO_CN_GPU
+// "cn/gpu"
+const static uint8_t test_output_gpu[160] = {
+    0xE5, 0x5C, 0xB2, 0x3E, 0x51, 0x64, 0x9A, 0x59, 0xB1, 0x27, 0xB9, 0x6B, 0x51, 0x5F, 0x2B, 0xF7,
+    0xBF, 0xEA, 0x19, 0x97, 0x41, 0xA0, 0x21, 0x6C, 0xF8, 0x38, 0xDE, 0xD0, 0x6E, 0xFF, 0x82, 0xDF,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+#endif
+
+
 #ifdef XMRIG_ALGO_ARGON2
 // "argon2/chukwa"
 const static uint8_t argon2_chukwa_test_out[256] = {
@@ -452,6 +469,11 @@ const static uint8_t test_output_gr[256] = {
     0xC4, 0xA7, 0xC7, 0x77, 0xAD, 0xF8, 0x09, 0x61, 0x16, 0xBB, 0xAA, 0x7E, 0xAB, 0xC3, 0x00, 0x25,
     0xBA, 0xA8, 0x97, 0xC7, 0x7D, 0x38, 0x46, 0x0E, 0x59, 0xAC, 0xCB, 0xAE, 0xFE, 0x3C, 0x6F, 0x01
 };
+// "Flex"
+const static uint8_t test_output_flex[32] = {
+    0x2e, 0x4f, 0x85, 0x7a, 0xa8, 0x10, 0x08, 0xc4, 0xd1, 0xfe, 0x9a, 0xcd, 0x74, 0x89, 0xe8, 0x4d,
+    0x3b, 0xc5, 0x5b, 0x70, 0x54, 0xe6, 0xc0, 0x2b, 0x2c, 0x0e, 0x1b, 0x76, 0xcc, 0xa0, 0xda, 0x7b
+};
 #endif
 
 

src/crypto/cn/CryptoNight_x86.h

@@ -76,8 +76,14 @@ static inline void do_skein_hash(const uint8_t *input, size_t len, uint8_t *outp
     xmr_skein(input, output);
 }
 
+static inline void do_flex_skein_hash(const uint8_t* input, size_t len, uint8_t* output) {
+    int r = skein_hash(512, input, 8 * len, (uint8_t*)output);
+    assert(SKEIN_SUCCESS == r);
+}
+
 
 void (* const extra_hashes[4])(const uint8_t *, size_t, uint8_t *) = {do_blake_hash, do_groestl_hash, do_jh_hash, do_skein_hash};
+void (* const extra_hashes_flex[3])(const uint8_t *, size_t, uint8_t *) = {do_blake_hash, do_groestl_hash, do_flex_skein_hash};
 
 
 #if (defined(__i386__) || defined(_M_IX86)) && !(defined(__clang__) && defined(__clang_major__) && (__clang_major__ >= 15))
@@ -294,8 +300,14 @@ static NOINLINE void cn_explode_scratchpad(cryptonight_ctx *ctx)
 {
     constexpr CnAlgo<ALGO> props;
 
+#   ifdef XMRIG_ALGO_CN_GPU
+    constexpr bool IS_HEAVY = props.isHeavy() || ALGO == Algorithm::CN_GPU;
+#   else
+    constexpr bool IS_HEAVY = props.isHeavy();
+#   endif
+
 #   ifdef XMRIG_VAES
-    if (!SOFT_AES && !props.isHeavy() && cn_vaes_enabled) {
+    if (!SOFT_AES && !IS_HEAVY && cn_vaes_enabled) {
         cn_explode_scratchpad_vaes(ctx, props.memory(), props.half_mem());
         return;
     }
@@ -408,14 +420,19 @@ static NOINLINE void cn_implode_scratchpad(cryptonight_ctx *ctx)
 {
     constexpr CnAlgo<ALGO> props;
 
+#   ifdef XMRIG_ALGO_CN_GPU
+    constexpr bool IS_HEAVY = props.isHeavy() || ALGO == Algorithm::CN_GPU;
+#   else
+    constexpr bool IS_HEAVY = props.isHeavy();
+#   endif
+
 #   ifdef XMRIG_VAES
-    if (!SOFT_AES && !props.isHeavy() && cn_vaes_enabled) {
+    if (!SOFT_AES && !IS_HEAVY && cn_vaes_enabled) {
         cn_implode_scratchpad_vaes(ctx, props.memory(), props.half_mem());
         return;
     }
 #   endif
 
-    constexpr bool IS_HEAVY = props.isHeavy();
     constexpr size_t N = (props.memory() / sizeof(__m128i)) / (props.half_mem() ? 2 : 1);
 
     __m128i xout0, xout1, xout2, xout3, xout4, xout5, xout6, xout7;
@@ -578,8 +595,10 @@ static inline __m128i int_sqrt_v2(const uint64_t n0)
     r >>= 19;
 
     uint64_t x2 = (s - (1022ULL << 32)) * (r - s - (1022ULL << 32) + 1);
-#   if (defined(_MSC_VER) || __GNUC__ > 7 || (__GNUC__ == 7 && __GNUC_MINOR__ > 1)) && (defined(__x86_64__) || defined(_M_AMD64))
+#   if (defined(_MSC_VER) || __GNUC__ > 7 || (__GNUC__ == 7 && __GNUC_MINOR__ > 1)) && (defined(__x86_64__) || defined(_M_AMD64)) && !defined(__INTEL_COMPILER)
     _addcarry_u64(_subborrow_u64(0, x2, n0, (unsigned long long int*)&x2), r, 0, (unsigned long long int*)&r);
+#   elif defined(__INTEL_COMPILER)
+    _addcarry_u64(_subborrow_u64(0, x2, n0, (unsigned long int*)&x2), r, 0, (unsigned long int*)&r);
 #   else
     if (x2 < n0) ++r;
 #   endif
@@ -840,13 +859,86 @@ inline void cryptonight_single_hash(const uint8_t *__restrict__ input, size_t si
 
     cn_implode_scratchpad<ALGO, SOFT_AES, interleave>(ctx[0]);
     keccakf(h0, 24);
-    extra_hashes[ctx[0]->state[0] & 3](ctx[0]->state, 200, output);
+    if (height == 101) // Flex algo ugly hack
+      extra_hashes_flex[ctx[0]->state[0] & 2](ctx[0]->state, 200, output);
+    else
+      extra_hashes[ctx[0]->state[0] & 3](ctx[0]->state, 200, output);
 }
 
 
 } /* namespace xmrig */
 
 
+#ifdef XMRIG_ALGO_CN_GPU
+template<size_t ITER, uint32_t MASK>
+void cn_gpu_inner_avx(const uint8_t *spad, uint8_t *lpad);
+
+
+template<size_t ITER, uint32_t MASK>
+void cn_gpu_inner_ssse3(const uint8_t *spad, uint8_t *lpad);
+
+
+namespace xmrig {
+
+
+template<size_t MEM>
+static NOINLINE void cn_explode_scratchpad_gpu(cryptonight_ctx *ctx)
+{
+    const uint8_t* input = reinterpret_cast<const uint8_t*>(ctx->state);
+    uint8_t* output = reinterpret_cast<uint8_t*>(ctx->memory);
+
+    constexpr size_t hash_size = 200; // 25x8 bytes
+    alignas(16) uint64_t hash[25];
+
+    for (uint64_t i = 0; i < MEM / 512; i++) {
+        memcpy(hash, input, hash_size);
+        hash[0] ^= i;
+
+        xmrig::keccakf(hash, 24);
+        memcpy(output, hash, 160);
+        output += 160;
+
+        xmrig::keccakf(hash, 24);
+        memcpy(output, hash, 176);
+        output += 176;
+
+        xmrig::keccakf(hash, 24);
+        memcpy(output, hash, 176);
+        output += 176;
+    }
+}
+
+
+template<Algorithm::Id ALGO, bool SOFT_AES>
+inline void cryptonight_single_hash_gpu(const uint8_t *__restrict__ input, size_t size, uint8_t *__restrict__ output, cryptonight_ctx **__restrict__ ctx, uint64_t height)
+{
+    constexpr CnAlgo<ALGO> props;
+
+    keccak(input, size, ctx[0]->state);
+    cn_explode_scratchpad_gpu<props.memory()>(ctx[0]);
+
+#   ifdef _MSC_VER
+    _control87(RC_NEAR, MCW_RC);
+#   else
+    fesetround(FE_TONEAREST);
+#   endif
+
+    if (xmrig::Cpu::info()->hasAVX2()) {
+        cn_gpu_inner_avx<props.iterations(), props.mask()>(ctx[0]->state, ctx[0]->memory);
+    } else {
+        cn_gpu_inner_ssse3<props.iterations(), props.mask()>(ctx[0]->state, ctx[0]->memory);
+    }
+
+    cn_implode_scratchpad<ALGO, SOFT_AES, 0>(ctx[0]);
+    keccakf(reinterpret_cast<uint64_t*>(ctx[0]->state), 24);
+    memcpy(output, ctx[0]->state, 32);
+}
+
+
+} /* namespace xmrig */
+#endif
+
+
 #ifdef XMRIG_FEATURE_ASM
 extern "C" void cnv1_single_mainloop_asm(cryptonight_ctx * *ctx);
 extern "C" void cnv1_double_mainloop_asm(cryptonight_ctx **ctx);
@@ -1042,7 +1134,10 @@ inline void cryptonight_single_hash_asm(const uint8_t *__restrict__ input, size_
 
     cn_implode_scratchpad<ALGO, false, 0>(ctx[0]);
     keccakf(reinterpret_cast<uint64_t*>(ctx[0]->state), 24);
-    extra_hashes[ctx[0]->state[0] & 3](ctx[0]->state, 200, output);
+    if (height == 101) // Flex algo ugly hack
+      extra_hashes_flex[ctx[0]->state[0] & 2](ctx[0]->state, 200, output);
+    else
+      extra_hashes[ctx[0]->state[0] & 3](ctx[0]->state, 200, output);
 }
 
 
@@ -1155,9 +1250,7 @@ static NOINLINE void cryptonight_single_hash_gr_sse41(const uint8_t* __restrict_
 
     keccak(input, size, ctx[0]->state);
 
-    if (props.half_mem()) {
+    if (props.half_mem()) ctx[0]->first_half = true;
-        ctx[0]->first_half = true;
-    }
     cn_explode_scratchpad<ALGO, false, 0>(ctx[0]);
 
     VARIANT1_INIT(0);
@@ -1172,7 +1265,10 @@ static NOINLINE void cryptonight_single_hash_gr_sse41(const uint8_t* __restrict_
 
     cn_implode_scratchpad<ALGO, false, 0>(ctx[0]);
     keccakf(reinterpret_cast<uint64_t*>(ctx[0]->state), 24);
-    extra_hashes[ctx[0]->state[0] & 3](ctx[0]->state, 200, output);
+    if (height == 101) // Flex algo ugly hack
+      extra_hashes_flex[ctx[0]->state[0] & 2](ctx[0]->state, 200, output);
+    else
+      extra_hashes[ctx[0]->state[0] & 3](ctx[0]->state, 200, output);
 }
 
 

src/crypto/cn/gpu/cn_gpu_arm.cpp

@@ -0,0 +1,240 @@
+/* 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 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 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 <arm_neon.h>
+
+
+#include "crypto/cn/CnAlgo.h"
+
+
+inline void vandq_f32(float32x4_t &v, uint32_t v2)
+{
+    uint32x4_t vc = vdupq_n_u32(v2);
+    v = (float32x4_t)vandq_u32((uint32x4_t)v, vc);
+}
+
+
+inline void vorq_f32(float32x4_t &v, uint32_t v2)
+{
+    uint32x4_t vc = vdupq_n_u32(v2);
+    v = (float32x4_t)vorrq_u32((uint32x4_t)v, vc);
+}
+
+
+template <size_t v>
+inline void vrot_si32(int32x4_t &r)
+{
+    r = (int32x4_t)vextq_s8((int8x16_t)r, (int8x16_t)r, v);
+}
+
+template <>
+inline void vrot_si32<0>(int32x4_t &r)
+{
+}
+
+
+inline uint32_t vheor_s32(const int32x4_t &v)
+{
+    int32x4_t v0 = veorq_s32(v, vrev64q_s32(v));
+    int32x2_t vf = veor_s32(vget_high_s32(v0), vget_low_s32(v0));
+    return (uint32_t)vget_lane_s32(vf, 0);
+}
+
+
+inline void prep_dv(int32_t *idx, int32x4_t &v, float32x4_t &n)
+{
+    v = vld1q_s32(idx);
+    n = vcvtq_f32_s32(v);
+}
+
+
+inline void sub_round(const float32x4_t &n0, const float32x4_t &n1, const float32x4_t &n2, const float32x4_t &n3, const float32x4_t &rnd_c, float32x4_t &n, float32x4_t &d, float32x4_t &c)
+{
+    float32x4_t ln1 = vaddq_f32(n1, c);
+    float32x4_t nn = vmulq_f32(n0, c);
+    nn = vmulq_f32(ln1, vmulq_f32(nn, nn));
+    vandq_f32(nn, 0xFEFFFFFF);
+    vorq_f32(nn, 0x00800000);
+    n = vaddq_f32(n, nn);
+
+    float32x4_t ln3 = vsubq_f32(n3, c);
+    float32x4_t dd = vmulq_f32(n2, c);
+    dd = vmulq_f32(ln3, vmulq_f32(dd, dd));
+    vandq_f32(dd, 0xFEFFFFFF);
+    vorq_f32(dd, 0x00800000);
+    d = vaddq_f32(d, dd);
+
+    //Constant feedback
+    c = vaddq_f32(c, rnd_c);
+    c = vaddq_f32(c, vdupq_n_f32(0.734375f));
+    float32x4_t r = vaddq_f32(nn, dd);
+    vandq_f32(r, 0x807FFFFF);
+    vorq_f32(r, 0x40000000);
+    c = vaddq_f32(c, r);
+}
+
+
+inline void round_compute(const float32x4_t &n0, const float32x4_t &n1, const float32x4_t &n2, const float32x4_t &n3, const float32x4_t &rnd_c, float32x4_t &c, float32x4_t &r)
+{
+    float32x4_t n = vdupq_n_f32(0.0f), d = vdupq_n_f32(0.0f);
+
+    sub_round(n0, n1, n2, n3, rnd_c, n, d, c);
+    sub_round(n1, n2, n3, n0, rnd_c, n, d, c);
+    sub_round(n2, n3, n0, n1, rnd_c, n, d, c);
+    sub_round(n3, n0, n1, n2, rnd_c, n, d, c);
+    sub_round(n3, n2, n1, n0, rnd_c, n, d, c);
+    sub_round(n2, n1, n0, n3, rnd_c, n, d, c);
+    sub_round(n1, n0, n3, n2, rnd_c, n, d, c);
+    sub_round(n0, n3, n2, n1, rnd_c, n, d, c);
+
+    // Make sure abs(d) > 2.0 - this prevents division by zero and accidental overflows by division by < 1.0
+    vandq_f32(d, 0xFF7FFFFF);
+    vorq_f32(d, 0x40000000);
+    r = vaddq_f32(r, vdivq_f32(n, d));
+}
+
+
+// 112×4 = 448
+template <bool add>
+inline int32x4_t single_compute(const float32x4_t &n0, const float32x4_t &n1, const float32x4_t &n2, const float32x4_t &n3, float cnt, const float32x4_t &rnd_c, float32x4_t &sum)
+{
+    float32x4_t c = vdupq_n_f32(cnt);
+    float32x4_t r = vdupq_n_f32(0.0f);
+
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+
+    // do a quick fmod by setting exp to 2
+    vandq_f32(r, 0x807FFFFF);
+    vorq_f32(r, 0x40000000);
+
+    if (add) {
+        sum = vaddq_f32(sum, r);
+    } else {
+        sum = r;
+    }
+
+    const float32x4_t cc2 = vdupq_n_f32(536870880.0f);
+    r = vmulq_f32(r, cc2); // 35
+    return vcvtq_s32_f32(r);
+}
+
+
+template<size_t rot>
+inline void single_compute_wrap(const float32x4_t &n0, const float32x4_t &n1, const float32x4_t &n2, const float32x4_t &n3, float cnt, const float32x4_t &rnd_c, float32x4_t &sum, int32x4_t &out)
+{
+    int32x4_t r = single_compute<rot % 2 != 0>(n0, n1, n2, n3, cnt, rnd_c, sum);
+    vrot_si32<rot>(r);
+    out = veorq_s32(out, r);
+}
+
+
+template<uint32_t MASK>
+inline int32_t *scratchpad_ptr(uint8_t* lpad, uint32_t idx, size_t n) { return reinterpret_cast<int32_t *>(lpad + (idx & MASK) + n * 16); }
+
+
+template<size_t ITER, uint32_t MASK>
+void cn_gpu_inner_arm(const uint8_t *spad, uint8_t *lpad)
+{
+    uint32_t s = reinterpret_cast<const uint32_t*>(spad)[0] >> 8;
+    int32_t *idx0 = scratchpad_ptr<MASK>(lpad, s, 0);
+    int32_t *idx1 = scratchpad_ptr<MASK>(lpad, s, 1);
+    int32_t *idx2 = scratchpad_ptr<MASK>(lpad, s, 2);
+    int32_t *idx3 = scratchpad_ptr<MASK>(lpad, s, 3);
+    float32x4_t sum0 = vdupq_n_f32(0.0f);
+
+    for (size_t i = 0; i < ITER; i++) {
+        float32x4_t n0, n1, n2, n3;
+        int32x4_t v0, v1, v2, v3;
+        float32x4_t suma, sumb, sum1, sum2, sum3;
+
+        prep_dv(idx0, v0, n0);
+        prep_dv(idx1, v1, n1);
+        prep_dv(idx2, v2, n2);
+        prep_dv(idx3, v3, n3);
+        float32x4_t rc = sum0;
+
+        int32x4_t out, out2;
+        out = vdupq_n_s32(0);
+        single_compute_wrap<0>(n0, n1, n2, n3, 1.3437500f, rc, suma, out);
+        single_compute_wrap<1>(n0, n2, n3, n1, 1.2812500f, rc, suma, out);
+        single_compute_wrap<2>(n0, n3, n1, n2, 1.3593750f, rc, sumb, out);
+        single_compute_wrap<3>(n0, n3, n2, n1, 1.3671875f, rc, sumb, out);
+        sum0 = vaddq_f32(suma, sumb);
+        vst1q_s32(idx0, veorq_s32(v0, out));
+        out2 = out;
+
+        out = vdupq_n_s32(0);
+        single_compute_wrap<0>(n1, n0, n2, n3, 1.4296875f, rc, suma, out);
+        single_compute_wrap<1>(n1, n2, n3, n0, 1.3984375f, rc, suma, out);
+        single_compute_wrap<2>(n1, n3, n0, n2, 1.3828125f, rc, sumb, out);
+        single_compute_wrap<3>(n1, n3, n2, n0, 1.3046875f, rc, sumb, out);
+        sum1 = vaddq_f32(suma, sumb);
+        vst1q_s32(idx1, veorq_s32(v1, out));
+        out2 = veorq_s32(out2, out);
+
+        out = vdupq_n_s32(0);
+        single_compute_wrap<0>(n2, n1, n0, n3, 1.4140625f, rc, suma, out);
+        single_compute_wrap<1>(n2, n0, n3, n1, 1.2734375f, rc, suma, out);
+        single_compute_wrap<2>(n2, n3, n1, n0, 1.2578125f, rc, sumb, out);
+        single_compute_wrap<3>(n2, n3, n0, n1, 1.2890625f, rc, sumb, out);
+        sum2 = vaddq_f32(suma, sumb);
+        vst1q_s32(idx2, veorq_s32(v2, out));
+        out2 = veorq_s32(out2, out);
+
+        out = vdupq_n_s32(0);
+        single_compute_wrap<0>(n3, n1, n2, n0, 1.3203125f, rc, suma, out);
+        single_compute_wrap<1>(n3, n2, n0, n1, 1.3515625f, rc, suma, out);
+        single_compute_wrap<2>(n3, n0, n1, n2, 1.3359375f, rc, sumb, out);
+        single_compute_wrap<3>(n3, n0, n2, n1, 1.4609375f, rc, sumb, out);
+        sum3 = vaddq_f32(suma, sumb);
+        vst1q_s32(idx3, veorq_s32(v3, out));
+        out2 = veorq_s32(out2, out);
+
+        sum0 = vaddq_f32(sum0, sum1);
+        sum2 = vaddq_f32(sum2, sum3);
+        sum0 = vaddq_f32(sum0, sum2);
+
+        const float32x4_t cc1 = vdupq_n_f32(16777216.0f);
+        const float32x4_t cc2 = vdupq_n_f32(64.0f);
+        vandq_f32(sum0, 0x7fffffff); // take abs(va) by masking the float sign bit
+        // vs range 0 - 64
+        n0 = vmulq_f32(sum0, cc1);
+        v0 = vcvtq_s32_f32(n0);
+        v0 = veorq_s32(v0, out2);
+        uint32_t n = vheor_s32(v0);
+
+        // vs is now between 0 and 1
+        sum0 = vdivq_f32(sum0, cc2);
+        idx0 = scratchpad_ptr<MASK>(lpad, n, 0);
+        idx1 = scratchpad_ptr<MASK>(lpad, n, 1);
+        idx2 = scratchpad_ptr<MASK>(lpad, n, 2);
+        idx3 = scratchpad_ptr<MASK>(lpad, n, 3);
+    }
+}
+
+template void cn_gpu_inner_arm<xmrig::CnAlgo<xmrig::Algorithm::CN_GPU>().iterations(), xmrig::CnAlgo<xmrig::Algorithm::CN_GPU>().mask()>(const uint8_t* spad, uint8_t* lpad);

src/crypto/cn/gpu/cn_gpu_avx.cpp

@@ -0,0 +1,211 @@
+/* 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>
+ *
+ *   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 "crypto/cn/CnAlgo.h"
+
+
+#ifdef __GNUC__
+#   include <x86intrin.h>
+#else
+#   include <intrin.h>
+#   define __restrict__ __restrict
+#endif
+#ifndef _mm256_bslli_epi128
+	#define _mm256_bslli_epi128(a, count) _mm256_slli_si256((a), (count))
+#endif
+#ifndef _mm256_bsrli_epi128
+	#define _mm256_bsrli_epi128(a, count) _mm256_srli_si256((a), (count))
+#endif
+
+inline void prep_dv_avx(__m256i* idx, __m256i& v, __m256& n01)
+{
+    v = _mm256_load_si256(idx);
+    n01 = _mm256_cvtepi32_ps(v);
+}
+
+inline __m256 fma_break(const __m256& x)
+{
+    // Break the dependency chain by setting the exp to ?????01
+    __m256 xx = _mm256_and_ps(_mm256_castsi256_ps(_mm256_set1_epi32(0xFEFFFFFF)), x);
+    return _mm256_or_ps(_mm256_castsi256_ps(_mm256_set1_epi32(0x00800000)), xx);
+}
+
+// 14
+inline void sub_round(const __m256& n0, const __m256& n1, const __m256& n2, const __m256& n3, const __m256& rnd_c, __m256& n, __m256& d, __m256& c)
+{
+    __m256 nn = _mm256_mul_ps(n0, c);
+    nn = _mm256_mul_ps(_mm256_add_ps(n1, c), _mm256_mul_ps(nn, nn));
+    nn = fma_break(nn);
+    n = _mm256_add_ps(n, nn);
+
+    __m256 dd = _mm256_mul_ps(n2, c);
+    dd = _mm256_mul_ps(_mm256_sub_ps(n3, c), _mm256_mul_ps(dd, dd));
+    dd = fma_break(dd);
+    d = _mm256_add_ps(d, dd);
+
+    //Constant feedback
+    c = _mm256_add_ps(c, rnd_c);
+    c = _mm256_add_ps(c, _mm256_set1_ps(0.734375f));
+    __m256 r = _mm256_add_ps(nn, dd);
+    r = _mm256_and_ps(_mm256_castsi256_ps(_mm256_set1_epi32(0x807FFFFF)), r);
+    r = _mm256_or_ps(_mm256_castsi256_ps(_mm256_set1_epi32(0x40000000)), r);
+    c = _mm256_add_ps(c, r);
+}
+
+// 14*8 + 2 = 112
+inline void round_compute(const __m256& n0, const __m256& n1, const __m256& n2, const __m256& n3, const __m256& rnd_c, __m256& c, __m256& r)
+{
+    __m256 n = _mm256_setzero_ps(), d = _mm256_setzero_ps();
+
+    sub_round(n0, n1, n2, n3, rnd_c, n, d, c);
+    sub_round(n1, n2, n3, n0, rnd_c, n, d, c);
+    sub_round(n2, n3, n0, n1, rnd_c, n, d, c);
+    sub_round(n3, n0, n1, n2, rnd_c, n, d, c);
+    sub_round(n3, n2, n1, n0, rnd_c, n, d, c);
+    sub_round(n2, n1, n0, n3, rnd_c, n, d, c);
+    sub_round(n1, n0, n3, n2, rnd_c, n, d, c);
+    sub_round(n0, n3, n2, n1, rnd_c, n, d, c);
+
+    // Make sure abs(d) > 2.0 - this prevents division by zero and accidental overflows by division by < 1.0
+    d = _mm256_and_ps(_mm256_castsi256_ps(_mm256_set1_epi32(0xFF7FFFFF)), d);
+    d = _mm256_or_ps(_mm256_castsi256_ps(_mm256_set1_epi32(0x40000000)), d);
+    r = _mm256_add_ps(r, _mm256_div_ps(n, d));
+}
+
+// 112×4 = 448
+template <bool add>
+inline __m256i double_compute(const __m256& n0, const __m256& n1, const __m256& n2, const __m256& n3,
+                              float lcnt, float hcnt, const __m256& rnd_c, __m256& sum)
+{
+    __m256 c = _mm256_insertf128_ps(_mm256_castps128_ps256(_mm_set1_ps(lcnt)), _mm_set1_ps(hcnt), 1);
+    __m256 r = _mm256_setzero_ps();
+
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+
+    // do a quick fmod by setting exp to 2
+    r = _mm256_and_ps(_mm256_castsi256_ps(_mm256_set1_epi32(0x807FFFFF)), r);
+    r = _mm256_or_ps(_mm256_castsi256_ps(_mm256_set1_epi32(0x40000000)), r);
+
+    if(add)
+        sum = _mm256_add_ps(sum, r);
+    else
+        sum = r;
+
+    r = _mm256_mul_ps(r, _mm256_set1_ps(536870880.0f)); // 35
+    return _mm256_cvttps_epi32(r);
+}
+
+template <size_t rot>
+inline void double_compute_wrap(const __m256& n0, const __m256& n1, const __m256& n2, const __m256& n3,
+                                float lcnt, float hcnt, const __m256& rnd_c, __m256& sum, __m256i& out)
+{
+    __m256i r = double_compute<rot % 2 != 0>(n0, n1, n2, n3, lcnt, hcnt, rnd_c, sum);
+    if(rot != 0)
+        r = _mm256_or_si256(_mm256_bslli_epi128(r, 16 - rot), _mm256_bsrli_epi128(r, rot));
+
+    out = _mm256_xor_si256(out, r);
+}
+
+template<uint32_t MASK>
+inline __m256i* scratchpad_ptr(uint8_t* lpad, uint32_t idx, size_t n) { return reinterpret_cast<__m256i*>(lpad + (idx & MASK) + n*16); }
+
+template<size_t ITER, uint32_t MASK>
+void cn_gpu_inner_avx(const uint8_t* spad, uint8_t* lpad)
+{
+    uint32_t s = reinterpret_cast<const uint32_t*>(spad)[0] >> 8;
+    __m256i* idx0 = scratchpad_ptr<MASK>(lpad, s, 0);
+    __m256i* idx2 = scratchpad_ptr<MASK>(lpad, s, 2);
+    __m256 sum0 = _mm256_setzero_ps();
+
+    for(size_t i = 0; i < ITER; i++)
+    {
+        __m256i v01, v23;
+        __m256 suma, sumb, sum1;
+        __m256 rc = sum0;
+
+        __m256 n01, n23;
+        prep_dv_avx(idx0, v01, n01);
+        prep_dv_avx(idx2, v23, n23);
+
+        __m256i out, out2;
+        __m256 n10, n22, n33;
+        n10 = _mm256_permute2f128_ps(n01, n01, 0x01);
+        n22 = _mm256_permute2f128_ps(n23, n23, 0x00);
+        n33 = _mm256_permute2f128_ps(n23, n23, 0x11);
+
+        out = _mm256_setzero_si256();
+        double_compute_wrap<0>(n01, n10, n22, n33, 1.3437500f, 1.4296875f, rc, suma, out);
+        double_compute_wrap<1>(n01, n22, n33, n10, 1.2812500f, 1.3984375f, rc, suma, out);
+        double_compute_wrap<2>(n01, n33, n10, n22, 1.3593750f, 1.3828125f, rc, sumb, out);
+        double_compute_wrap<3>(n01, n33, n22, n10, 1.3671875f, 1.3046875f, rc, sumb, out);
+        _mm256_store_si256(idx0, _mm256_xor_si256(v01, out));
+        sum0 = _mm256_add_ps(suma, sumb);
+        out2 = out;
+
+        __m256 n11, n02, n30;
+        n11 = _mm256_permute2f128_ps(n01, n01, 0x11);
+        n02 = _mm256_permute2f128_ps(n01, n23, 0x20);
+        n30 = _mm256_permute2f128_ps(n01, n23, 0x03);
+
+        out = _mm256_setzero_si256();
+        double_compute_wrap<0>(n23, n11, n02, n30, 1.4140625f, 1.3203125f, rc, suma, out);
+        double_compute_wrap<1>(n23, n02, n30, n11, 1.2734375f, 1.3515625f, rc, suma, out);
+        double_compute_wrap<2>(n23, n30, n11, n02, 1.2578125f, 1.3359375f, rc, sumb, out);
+        double_compute_wrap<3>(n23, n30, n02, n11, 1.2890625f, 1.4609375f, rc, sumb, out);
+        _mm256_store_si256(idx2, _mm256_xor_si256(v23, out));
+        sum1 = _mm256_add_ps(suma, sumb);
+
+        out2 = _mm256_xor_si256(out2, out);
+        out2 = _mm256_xor_si256(_mm256_permute2x128_si256(out2,out2,0x41), out2);
+        suma = _mm256_permute2f128_ps(sum0, sum1, 0x30);
+        sumb = _mm256_permute2f128_ps(sum0, sum1, 0x21);
+        sum0 = _mm256_add_ps(suma, sumb);
+        sum0 = _mm256_add_ps(sum0, _mm256_permute2f128_ps(sum0, sum0, 0x41));
+
+        // Clear the high 128 bits
+        __m128 sum = _mm256_castps256_ps128(sum0);
+
+        sum = _mm_and_ps(_mm_castsi128_ps(_mm_set1_epi32(0x7fffffff)), sum); // take abs(va) by masking the float sign bit
+        // vs range 0 - 64
+        __m128i v0 = _mm_cvttps_epi32(_mm_mul_ps(sum, _mm_set1_ps(16777216.0f)));
+        v0 = _mm_xor_si128(v0, _mm256_castsi256_si128(out2));
+        __m128i v1 = _mm_shuffle_epi32(v0, _MM_SHUFFLE(0, 1, 2, 3));
+        v0 = _mm_xor_si128(v0, v1);
+        v1 = _mm_shuffle_epi32(v0, _MM_SHUFFLE(0, 1, 0, 1));
+        v0 = _mm_xor_si128(v0, v1);
+
+        // vs is now between 0 and 1
+        sum = _mm_div_ps(sum, _mm_set1_ps(64.0f));
+        sum0 = _mm256_insertf128_ps(_mm256_castps128_ps256(sum), sum, 1);
+        uint32_t n = _mm_cvtsi128_si32(v0);
+        idx0 = scratchpad_ptr<MASK>(lpad, n, 0);
+        idx2 = scratchpad_ptr<MASK>(lpad, n, 2);
+    }
+}
+
+template void cn_gpu_inner_avx<xmrig::CnAlgo<xmrig::Algorithm::CN_GPU>().iterations(), xmrig::CnAlgo<xmrig::Algorithm::CN_GPU>().mask()>(const uint8_t* spad, uint8_t* lpad);

src/crypto/cn/gpu/cn_gpu_ssse3.cpp

@@ -0,0 +1,212 @@
+/* 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>
+ *
+ *   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 "crypto/cn/CnAlgo.h"
+
+
+#ifdef __GNUC__
+#   include <x86intrin.h>
+#else
+#   include <intrin.h>
+#   define __restrict__ __restrict
+#endif
+
+inline void prep_dv(__m128i* idx, __m128i& v, __m128& n)
+{
+    v = _mm_load_si128(idx);
+    n = _mm_cvtepi32_ps(v);
+}
+
+inline __m128 fma_break(__m128 x)
+{
+    // Break the dependency chain by setting the exp to ?????01
+    x = _mm_and_ps(_mm_castsi128_ps(_mm_set1_epi32(0xFEFFFFFF)), x);
+    return _mm_or_ps(_mm_castsi128_ps(_mm_set1_epi32(0x00800000)), x);
+}
+
+// 14
+inline void sub_round(__m128 n0, __m128 n1, __m128 n2, __m128 n3, __m128 rnd_c, __m128& n, __m128& d, __m128& c)
+{
+    n1 = _mm_add_ps(n1, c);
+    __m128 nn = _mm_mul_ps(n0, c);
+    nn = _mm_mul_ps(n1, _mm_mul_ps(nn,nn));
+    nn = fma_break(nn);
+    n = _mm_add_ps(n, nn);
+
+    n3 = _mm_sub_ps(n3, c);
+    __m128 dd = _mm_mul_ps(n2, c);
+    dd = _mm_mul_ps(n3, _mm_mul_ps(dd,dd));
+    dd = fma_break(dd);
+    d = _mm_add_ps(d, dd);
+
+    //Constant feedback
+    c = _mm_add_ps(c, rnd_c);
+    c = _mm_add_ps(c, _mm_set1_ps(0.734375f));
+    __m128 r = _mm_add_ps(nn, dd);
+    r = _mm_and_ps(_mm_castsi128_ps(_mm_set1_epi32(0x807FFFFF)), r);
+    r = _mm_or_ps(_mm_castsi128_ps(_mm_set1_epi32(0x40000000)), r);
+    c = _mm_add_ps(c, r);
+}
+
+// 14*8 + 2 = 112
+inline void round_compute(__m128 n0, __m128 n1, __m128 n2, __m128 n3, __m128 rnd_c, __m128& c, __m128& r)
+{
+    __m128 n = _mm_setzero_ps(), d = _mm_setzero_ps();
+
+    sub_round(n0, n1, n2, n3, rnd_c, n, d, c);
+    sub_round(n1, n2, n3, n0, rnd_c, n, d, c);
+    sub_round(n2, n3, n0, n1, rnd_c, n, d, c);
+    sub_round(n3, n0, n1, n2, rnd_c, n, d, c);
+    sub_round(n3, n2, n1, n0, rnd_c, n, d, c);
+    sub_round(n2, n1, n0, n3, rnd_c, n, d, c);
+    sub_round(n1, n0, n3, n2, rnd_c, n, d, c);
+    sub_round(n0, n3, n2, n1, rnd_c, n, d, c);
+
+    // Make sure abs(d) > 2.0 - this prevents division by zero and accidental overflows by division by < 1.0
+    d = _mm_and_ps(_mm_castsi128_ps(_mm_set1_epi32(0xFF7FFFFF)), d);
+    d = _mm_or_ps(_mm_castsi128_ps(_mm_set1_epi32(0x40000000)), d);
+    r =_mm_add_ps(r, _mm_div_ps(n,d));
+}
+
+// 112×4 = 448
+template<bool add>
+inline __m128i single_compute(__m128 n0, __m128 n1,  __m128 n2,  __m128 n3, float cnt, __m128 rnd_c, __m128& sum)
+{
+    __m128 c = _mm_set1_ps(cnt);
+    __m128 r = _mm_setzero_ps();
+
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+    round_compute(n0, n1, n2, n3, rnd_c, c, r);
+
+    // do a quick fmod by setting exp to 2
+    r = _mm_and_ps(_mm_castsi128_ps(_mm_set1_epi32(0x807FFFFF)), r);
+    r = _mm_or_ps(_mm_castsi128_ps(_mm_set1_epi32(0x40000000)), r);
+
+    if(add)
+        sum = _mm_add_ps(sum, r);
+    else
+        sum = r;
+
+    r = _mm_mul_ps(r, _mm_set1_ps(536870880.0f)); // 35
+    return _mm_cvttps_epi32(r);
+}
+
+template<size_t rot>
+inline void single_compute_wrap(__m128 n0, __m128 n1, __m128 n2,  __m128 n3, float cnt, __m128 rnd_c, __m128& sum, __m128i& out)
+{
+    __m128i r = single_compute<rot % 2 != 0>(n0, n1, n2, n3, cnt, rnd_c, sum);
+    if(rot != 0)
+        r = _mm_or_si128(_mm_slli_si128(r, 16 - rot), _mm_srli_si128(r, rot));
+    out = _mm_xor_si128(out, r);
+}
+
+template<uint32_t MASK>
+inline __m128i* scratchpad_ptr(uint8_t* lpad, uint32_t idx, size_t n) { return reinterpret_cast<__m128i*>(lpad + (idx & MASK) + n*16); }
+
+template<size_t ITER, uint32_t MASK>
+void cn_gpu_inner_ssse3(const uint8_t* spad, uint8_t* lpad)
+{
+    uint32_t s = reinterpret_cast<const uint32_t*>(spad)[0] >> 8;
+    __m128i* idx0 = scratchpad_ptr<MASK>(lpad, s, 0);
+    __m128i* idx1 = scratchpad_ptr<MASK>(lpad, s, 1);
+    __m128i* idx2 = scratchpad_ptr<MASK>(lpad, s, 2);
+    __m128i* idx3 = scratchpad_ptr<MASK>(lpad, s, 3);
+    __m128 sum0 = _mm_setzero_ps();
+
+    for(size_t i = 0; i < ITER; i++)
+    {
+        __m128 n0, n1, n2, n3;
+        __m128i v0, v1, v2, v3;
+        __m128 suma, sumb, sum1, sum2, sum3;
+
+        prep_dv(idx0, v0, n0);
+        prep_dv(idx1, v1, n1);
+        prep_dv(idx2, v2, n2);
+        prep_dv(idx3, v3, n3);
+        __m128 rc = sum0;
+
+        __m128i out, out2;
+        out = _mm_setzero_si128();
+        single_compute_wrap<0>(n0, n1, n2, n3, 1.3437500f, rc, suma, out);
+        single_compute_wrap<1>(n0, n2, n3, n1, 1.2812500f, rc, suma, out);
+        single_compute_wrap<2>(n0, n3, n1, n2, 1.3593750f, rc, sumb, out);
+        single_compute_wrap<3>(n0, n3, n2, n1, 1.3671875f, rc, sumb, out);
+        sum0 = _mm_add_ps(suma, sumb);
+        _mm_store_si128(idx0, _mm_xor_si128(v0, out));
+        out2 = out;
+
+        out = _mm_setzero_si128();
+        single_compute_wrap<0>(n1, n0, n2, n3, 1.4296875f, rc, suma, out);
+        single_compute_wrap<1>(n1, n2, n3, n0, 1.3984375f, rc, suma, out);
+        single_compute_wrap<2>(n1, n3, n0, n2, 1.3828125f, rc, sumb, out);
+        single_compute_wrap<3>(n1, n3, n2, n0, 1.3046875f, rc, sumb, out);
+        sum1 = _mm_add_ps(suma, sumb);
+        _mm_store_si128(idx1, _mm_xor_si128(v1, out));
+        out2 = _mm_xor_si128(out2, out);
+
+        out = _mm_setzero_si128();
+        single_compute_wrap<0>(n2, n1, n0, n3, 1.4140625f, rc, suma, out);
+        single_compute_wrap<1>(n2, n0, n3, n1, 1.2734375f, rc, suma, out);
+        single_compute_wrap<2>(n2, n3, n1, n0, 1.2578125f, rc, sumb, out);
+        single_compute_wrap<3>(n2, n3, n0, n1, 1.2890625f, rc, sumb, out);
+        sum2 = _mm_add_ps(suma, sumb);
+        _mm_store_si128(idx2, _mm_xor_si128(v2, out));
+        out2 = _mm_xor_si128(out2, out);
+
+        out = _mm_setzero_si128();
+        single_compute_wrap<0>(n3, n1, n2, n0, 1.3203125f, rc, suma, out);
+        single_compute_wrap<1>(n3, n2, n0, n1, 1.3515625f, rc, suma, out);
+        single_compute_wrap<2>(n3, n0, n1, n2, 1.3359375f, rc, sumb, out);
+        single_compute_wrap<3>(n3, n0, n2, n1, 1.4609375f, rc, sumb, out);
+        sum3 = _mm_add_ps(suma, sumb);
+        _mm_store_si128(idx3, _mm_xor_si128(v3, out));
+        out2 = _mm_xor_si128(out2, out);
+        sum0 = _mm_add_ps(sum0, sum1);
+        sum2 = _mm_add_ps(sum2, sum3);
+        sum0 = _mm_add_ps(sum0, sum2);
+
+        sum0 = _mm_and_ps(_mm_castsi128_ps(_mm_set1_epi32(0x7fffffff)), sum0); // take abs(va) by masking the float sign bit
+        // vs range 0 - 64
+        n0 = _mm_mul_ps(sum0, _mm_set1_ps(16777216.0f));
+        v0 = _mm_cvttps_epi32(n0);
+        v0 = _mm_xor_si128(v0, out2);
+        v1 = _mm_shuffle_epi32(v0, _MM_SHUFFLE(0, 1, 2, 3));
+        v0 = _mm_xor_si128(v0, v1);
+        v1 = _mm_shuffle_epi32(v0, _MM_SHUFFLE(0, 1, 0, 1));
+        v0 = _mm_xor_si128(v0, v1);
+
+        // vs is now between 0 and 1
+        sum0 = _mm_div_ps(sum0, _mm_set1_ps(64.0f));
+        uint32_t n = _mm_cvtsi128_si32(v0);
+        idx0 = scratchpad_ptr<MASK>(lpad, n, 0);
+        idx1 = scratchpad_ptr<MASK>(lpad, n, 1);
+        idx2 = scratchpad_ptr<MASK>(lpad, n, 2);
+        idx3 = scratchpad_ptr<MASK>(lpad, n, 3);
+    }
+}
+
+template void cn_gpu_inner_ssse3<xmrig::CnAlgo<xmrig::Algorithm::CN_GPU>().iterations(), xmrig::CnAlgo<xmrig::Algorithm::CN_GPU>().mask()>(const uint8_t* spad, uint8_t* lpad);

src/crypto/common/MemoryPool.cpp

@@ -47,11 +47,11 @@ xmrig::MemoryPool::MemoryPool(size_t size, bool hugePages, uint32_t node)
         return;
     }
 
-    constexpr size_t alignment = 1 << 24;
+    constexpr size_t alignment = 0; //1 << 24;
 
     m_memory = new VirtualMemory(size * pageSize + alignment, hugePages, false, false, node);
 
-    m_alignOffset = (alignment - (((size_t)m_memory->scratchpad()) % alignment)) % alignment;
+    //m_alignOffset = (alignment - (((size_t)m_memory->scratchpad()) % alignment)) % alignment;
 }
 
 

src/crypto/flex/flex.cpp

@@ -0,0 +1,299 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include "crypto/cn/CnHash.h"
+#include "backend/cpu/Cpu.h"
+
+extern "C" {
+#include "../randomx/panthera/sysendian.h"
+#include "../ghostrider/sph_blake.h"
+#include "../ghostrider/sph_bmw.h"
+#include "../ghostrider/sph_groestl.h"
+#include "../ghostrider/sph_jh.h"
+#include "../ghostrider/sph_keccak.h"
+#include "../ghostrider/sph_skein.h"
+#include "../ghostrider/sph_luffa.h"
+#include "../ghostrider/sph_cubehash.h"
+#include "../ghostrider/sph_shavite.h"
+#include "../ghostrider/sph_simd.h"
+#include "../ghostrider/sph_echo.h"
+#include "../ghostrider/sph_hamsi.h"
+#include "../ghostrider/sph_fugue.h"
+#include "../ghostrider/sph_shabal.h"
+#include "../ghostrider/sph_whirlpool.h"
+#include "../ghostrider/sph_sha2.h"
+}
+#include <stdio.h>
+
+using namespace xmrig;
+
+enum Algo {
+        BLAKE = 0,
+        BMW,
+        GROESTL,
+        KECCAK,
+        SKEIN,
+        LUFFA,
+        CUBEHASH,
+        SHAVITE,
+        SIMD,
+        ECHO,
+        HAMSI,
+        FUGUE,
+        SHABAL,
+        WHIRLPOOL,
+        HASH_FUNC_COUNT
+};
+
+enum CNAlgo {
+	CNDark = 0,
+	CNDarklite,
+	CNFast,
+	CNLite,
+	CNTurtle,
+	CNTurtlelite,
+	CN_HASH_FUNC_COUNT
+};
+
+
+static void selectAlgo(unsigned char nibble, bool* selectedAlgos, uint8_t* selectedIndex, int algoCount, int* currentCount) {
+	uint8_t algoDigit = (nibble & 0x0F) % algoCount;
+	if(!selectedAlgos[algoDigit]) {
+		selectedAlgos[algoDigit] = true;
+		selectedIndex[currentCount[0]] = algoDigit;
+		currentCount[0] = currentCount[0] + 1;
+	}
+	algoDigit = (nibble >> 4) % algoCount;
+	if(!selectedAlgos[algoDigit]) {
+		selectedAlgos[algoDigit] = true;
+		selectedIndex[currentCount[0]] = algoDigit;
+		currentCount[0] = currentCount[0] + 1;
+	}
+}
+
+static void getAlgoString(void *mem, unsigned int size, uint8_t* selectedAlgoOutput, int algoCount) {
+  unsigned char *p = (unsigned char *)mem;
+  unsigned int len = size/2;
+  bool* selectedAlgo = new bool[algoCount];
+  for(int z=0; z < algoCount; z++) {
+	  selectedAlgo[z] = false;
+  }
+  int selectedCount = 0;
+  for (unsigned int i=0;i<len; i++) {
+	  selectAlgo(p[i], selectedAlgo, selectedAlgoOutput, algoCount, &selectedCount);
+	  if(selectedCount == algoCount) {
+		  break;
+	  }
+  }
+  if(selectedCount < algoCount) {
+	for(uint8_t i = 0; i < algoCount; i++) {
+		if(!selectedAlgo[i]) {
+			selectedAlgoOutput[selectedCount] = i;
+			selectedCount++;
+		}
+	}
+  }
+  delete [] selectedAlgo;
+}
+
+void print_hex_memory(void *mem, unsigned int size) {
+  unsigned char *p = (unsigned char *)mem;
+  unsigned int len = size/2;
+  for (unsigned int i=0;i<len; i++) {
+    printf("%02x", p[(len - i - 1)]);
+  }
+  printf("\n");
+}
+
+void SwapBytes(void *pv, unsigned int n)
+{
+    char *p = (char*)pv;
+    unsigned int lo, hi;
+    for(lo=0, hi=n-1; hi>lo; lo++, hi--)
+    {
+        char tmp=p[lo];
+        p[lo] = p[hi];
+        p[hi] = tmp;
+    }
+}
+
+void flex_hash(const char* input, char* output, cryptonight_ctx** ctx) {
+	uint32_t hash[64/4];
+	sph_blake512_context ctx_blake;
+	sph_bmw512_context ctx_bmw;
+	sph_groestl512_context ctx_groestl;
+	sph_keccak512_context ctx_keccak;
+	sph_skein512_context ctx_skein;
+	sph_luffa512_context ctx_luffa;
+	sph_cubehash512_context ctx_cubehash;
+	sph_shavite512_context ctx_shavite;
+	sph_simd512_context ctx_simd;
+	sph_echo512_context ctx_echo;
+	sph_hamsi512_context ctx_hamsi;
+	sph_fugue512_context ctx_fugue;
+	sph_shabal512_context ctx_shabal;
+	sph_whirlpool_context ctx_whirlpool;
+	void *in = (void*) input;
+	int size = 80;
+	sph_keccak512_init(&ctx_keccak);
+	sph_keccak512(&ctx_keccak, in, size);
+	sph_keccak512_close(&ctx_keccak, hash);
+	uint8_t selectedAlgoOutput[15] = {0};
+	uint8_t selectedCNAlgoOutput[14] = {0};
+	getAlgoString(&hash, 64, selectedAlgoOutput, 14);
+	getAlgoString(&hash, 64, selectedCNAlgoOutput, 6);
+	//printf("previous hash=");
+	//print_hex_memory(&input[4], 64);
+        const CnHash::AlgoVariant av = Cpu::info()->hasAES() ? CnHash::AV_SINGLE : CnHash::AV_SINGLE_SOFT;
+	int i;
+	for (i = 0; i < 18; i++)
+	{
+		uint8_t algo;
+		uint8_t cnAlgo;
+		int coreSelection;
+		int cnSelection = -1;
+		if(i < 5) {
+			coreSelection = i;
+		} else if(i < 11) {
+			coreSelection = i-1;
+		} else {
+			coreSelection = i-2;
+		}
+		if(i==5) {
+			coreSelection = -1;
+			cnSelection = 0;
+		}
+		if(i==11) {
+			coreSelection = -1;
+			cnSelection = 1;
+		}
+		if(i==17) {
+			coreSelection = -1;
+			cnSelection = 2;
+		}
+		if(coreSelection >= 0) {
+			algo = selectedAlgoOutput[(uint8_t)coreSelection];
+		} else {
+			algo = 16; // skip core hashing for this loop iteration
+		}
+		if(cnSelection >=0) {
+			cnAlgo = selectedCNAlgoOutput[(uint8_t)cnSelection];
+		} else {
+			cnAlgo = 14; // skip cn hashing for this loop iteration
+		}
+		//selection cnAlgo. if a CN algo is selected then core algo will not be selected
+                cn_hash_fun f;
+		switch(cnAlgo)
+		{
+		 case CNDark:
+                        //cryptonightdark_hash((const char*)in, (char*)hash, size, 1); 
+                        f = CnHash::fn(Algorithm::CN_GR_0, av, Assembly::AUTO); 
+			break;
+		 case CNDarklite:
+                        //cryptonightdarklite_hash((const char*)in, (char*)hash, size, 1);
+                        f = CnHash::fn(Algorithm::CN_GR_1, av, Assembly::AUTO);
+			break;
+		 case CNFast:
+                        //cryptonightfast_hash((const char*)in, (char*)hash, size, 1);
+                        f = CnHash::fn(Algorithm::CN_GR_2, av, Assembly::AUTO);
+			break;
+		 case CNLite:
+                        //cryptonightlite_hash((const char*)in, (char*)hash, size, 1);
+                        f = CnHash::fn(Algorithm::CN_GR_3, av, Assembly::AUTO);
+			break;
+		 case CNTurtle:
+                        //cryptonightturtle_hash((const char*)in, (char*)hash, size, 1); 
+                        f = CnHash::fn(Algorithm::CN_GR_4, av, Assembly::AUTO);
+			break;
+		 case CNTurtlelite:
+                        //cryptonightturtlelite_hash((const char*)in, (char*)hash, size, 1);
+                        f = CnHash::fn(Algorithm::CN_GR_5, av, Assembly::AUTO);
+			break;
+                 default:
+                        f = nullptr;
+		}
+                if (f) f((const uint8_t*)in, size, (uint8_t*)hash, ctx, 101);
+
+		//selection core algo
+		switch (algo) {
+		case BLAKE:
+				sph_blake512_init(&ctx_blake);
+				sph_blake512(&ctx_blake, in, size);
+				sph_blake512_close(&ctx_blake, hash);
+				break;
+		case BMW:
+				sph_bmw512_init(&ctx_bmw);
+				sph_bmw512(&ctx_bmw, in, size);
+				sph_bmw512_close(&ctx_bmw, hash);
+				break;
+		case GROESTL:
+				sph_groestl512_init(&ctx_groestl);
+				sph_groestl512(&ctx_groestl, in, size);
+				sph_groestl512_close(&ctx_groestl, hash);
+				break;
+		case KECCAK:
+				sph_keccak512_init(&ctx_keccak);
+				sph_keccak512(&ctx_keccak, in, size);
+				sph_keccak512_close(&ctx_keccak, hash);
+				break;
+		case SKEIN:
+				sph_skein512_init(&ctx_skein);
+				sph_skein512(&ctx_skein, in, size);
+				sph_skein512_close(&ctx_skein, hash);
+				break;
+		case LUFFA:
+				sph_luffa512_init(&ctx_luffa);
+				sph_luffa512(&ctx_luffa, in, size);
+				sph_luffa512_close(&ctx_luffa, hash);
+				break;
+		case CUBEHASH:
+				sph_cubehash512_init(&ctx_cubehash);
+				sph_cubehash512(&ctx_cubehash, in, size);
+				sph_cubehash512_close(&ctx_cubehash, hash);
+				break;
+		case SHAVITE:
+				sph_shavite512_init(&ctx_shavite);
+				sph_shavite512(&ctx_shavite, in, size);
+				sph_shavite512_close(&ctx_shavite, hash);
+				break;
+		case SIMD:
+				sph_simd512_init(&ctx_simd);
+				sph_simd512(&ctx_simd, in, size);
+				sph_simd512_close(&ctx_simd, hash);
+				break;
+		case ECHO:
+				sph_echo512_init(&ctx_echo);
+				sph_echo512(&ctx_echo, in, size);
+				sph_echo512_close(&ctx_echo, hash);
+				break;
+		case HAMSI:
+				sph_hamsi512_init(&ctx_hamsi);
+				sph_hamsi512(&ctx_hamsi, in, size);
+				sph_hamsi512_close(&ctx_hamsi, hash);
+				break;
+		case FUGUE:
+				sph_fugue512_init(&ctx_fugue);
+				sph_fugue512(&ctx_fugue, in, size);
+				sph_fugue512_close(&ctx_fugue, hash);
+				break;
+		case SHABAL:
+				sph_shabal512_init(&ctx_shabal);
+				sph_shabal512(&ctx_shabal, in, size);
+				sph_shabal512_close(&ctx_shabal, hash);
+				break;
+		case WHIRLPOOL:
+				sph_whirlpool_init(&ctx_whirlpool);
+				sph_whirlpool(&ctx_whirlpool, in, size);
+				sph_whirlpool_close(&ctx_whirlpool, hash);
+				break;
+		}
+		in = (void*) hash;
+		size = 64;
+	}
+	sph_keccak256_init(&ctx_keccak);
+	sph_keccak256(&ctx_keccak, in, size);
+	sph_keccak256_close(&ctx_keccak, hash);
+	memcpy(output, hash, 32);
+}

src/crypto/flex/flex.h

@@ -0,0 +1,4 @@
+#pragma once
+
+struct cryptonight_ctx;
+void flex_hash(const char* input, char* output, cryptonight_ctx** ctx);

src/crypto/randomx/asm/program_prologue_linux.inc

@@ -22,7 +22,6 @@
 	mov rsi, rdx                ;# uint8_t* scratchpad
 
 	mov rax, rbp
-	ror rbp, 32
 
 	;# zero integer registers
 	xor r8, r8

src/crypto/randomx/asm/program_prologue_win64.inc

@@ -35,7 +35,6 @@
 	mov rbx, r9                 ;# loop counter
 
 	mov rax, rbp
-	ror rbp, 32
 
 	;# zero integer registers
 	xor r8, r8

src/crypto/randomx/asm/program_read_dataset.inc

@@ -1,16 +1,17 @@
-	mov ecx, ebp                       ;# ecx = ma
-	and ecx, RANDOMX_DATASET_BASE_MASK
-	xor r8, qword ptr [rdi+rcx]
-	ror rbp, 32                        ;# swap "ma" and "mx"
 	xor rbp, rax                       ;# modify "mx"
 	mov edx, ebp                       ;# edx = mx
 	and edx, RANDOMX_DATASET_BASE_MASK
 	prefetchnta byte ptr [rdi+rdx]
-	xor r9,  qword ptr [rdi+rcx+8]
+	ror rbp, 32                        ;# swap "ma" and "mx"
-	xor r10, qword ptr [rdi+rcx+16]
+	mov edx, ebp                       ;# edx = ma
-	xor r11, qword ptr [rdi+rcx+24]
+	and edx, RANDOMX_DATASET_BASE_MASK
-	xor r12, qword ptr [rdi+rcx+32]
+	lea rcx, [rdi+rdx]                 ;# dataset cache line
-	xor r13, qword ptr [rdi+rcx+40]
+	xor r8,  qword ptr [rcx+0]
-	xor r14, qword ptr [rdi+rcx+48]
+	xor r9,  qword ptr [rcx+8]
-	xor r15, qword ptr [rdi+rcx+56]
+	xor r10, qword ptr [rcx+16]
+	xor r11, qword ptr [rcx+24]
+	xor r12, qword ptr [rcx+32]
+	xor r13, qword ptr [rcx+40]
+	xor r14, qword ptr [rcx+48]
+	xor r15, qword ptr [rcx+56]
 	

src/crypto/randomx/asm/program_read_dataset_ryzen.inc

@@ -0,0 +1,17 @@
+	mov rcx, rbp                       ;# ecx = ma
+	shr rcx, 32
+	and ecx, RANDOMX_DATASET_BASE_MASK
+	xor r8, qword ptr [rdi+rcx]
+	xor rbp, rax                       ;# modify "mx"
+	mov edx, ebp                       ;# edx = mx
+	and edx, RANDOMX_DATASET_BASE_MASK
+	prefetchnta byte ptr [rdi+rdx]
+	ror rbp, 32                        ;# swap "ma" and "mx"
+	xor r9,  qword ptr [rdi+rcx+8]
+	xor r10, qword ptr [rdi+rcx+16]
+	xor r11, qword ptr [rdi+rcx+24]
+	xor r12, qword ptr [rdi+rcx+32]
+	xor r13, qword ptr [rdi+rcx+40]
+	xor r14, qword ptr [rdi+rcx+48]
+	xor r15, qword ptr [rdi+rcx+56]
+	

src/crypto/randomx/common.hpp

@@ -74,7 +74,7 @@ namespace randomx {
 	constexpr int SuperscalarMaxSize = 3 * RANDOMX_SUPERSCALAR_MAX_LATENCY + 2;
 	constexpr size_t CacheLineSize = RANDOMX_DATASET_ITEM_SIZE;
 	#define ScratchpadSize RandomX_CurrentConfig.ScratchpadL3_Size
-	#define CacheLineAlignMask RandomX_ConfigurationBase::CacheLineAlignMask_Calculated
+        #define CacheLineAlignMask RandomX_CurrentConfig.CacheLineAlignMask_Calculated
 	#define DatasetExtraItems RandomX_ConfigurationBase::DatasetExtraItems_Calculated
 	constexpr int StoreL3Condition = 14;
 

src/crypto/randomx/jit_compiler_a64.cpp

@@ -90,7 +90,7 @@ static size_t CalcDatasetItemSize()
 	// Prologue
 	((uint8_t*)randomx_calc_dataset_item_aarch64_prefetch - (uint8_t*)randomx_calc_dataset_item_aarch64) +
 	// Main loop
-	RandomX_ConfigurationBase::CacheAccesses * (
+	RandomX_CurrentConfig.CacheAccesses * (
 		// Main loop prologue
 		((uint8_t*)randomx_calc_dataset_item_aarch64_mix - ((uint8_t*)randomx_calc_dataset_item_aarch64_prefetch)) + 4 +
 		// Inner main loop (instructions)
@@ -259,7 +259,7 @@ void JitCompilerA64::generateSuperscalarHash(SuperscalarProgram(&programs)[N])
 	num32bitLiterals = 64;
 	constexpr uint32_t tmp_reg = 12;
 
-	for (size_t i = 0; i < RandomX_ConfigurationBase::CacheAccesses; ++i)
+	for (size_t i = 0; i < RandomX_CurrentConfig.CacheAccesses; ++i)
 	{
 		// and x11, x10, CacheSize / CacheLineSize - 1
 		emit32(0x92400000 | 11 | (10 << 5) | ((RandomX_CurrentConfig.Log2_CacheSize - 1) << 10), code, codePos);

src/crypto/randomx/jit_compiler_x86.cpp

@@ -337,7 +337,20 @@ namespace randomx {
 		vm_flags = flags;
 
 		generateProgramPrologue(prog, pcfg);
-		emit(codeReadDataset, readDatasetSize, code, codePos);
+
+		uint8_t* p;
+		uint32_t n;
+		if (flags & RANDOMX_FLAG_AMD) {
+			p = RandomX_CurrentConfig.codeReadDatasetRyzenTweaked;
+			n = RandomX_CurrentConfig.codeReadDatasetRyzenTweakedSize;
+		}
+		else {
+			p = RandomX_CurrentConfig.codeReadDatasetTweaked;
+			n = RandomX_CurrentConfig.codeReadDatasetTweakedSize;
+		}
+		memcpy(code + codePos, p, n);
+		codePos += n;
+
 		generateProgramEpilogue(prog, pcfg);
 	}
 

src/crypto/randomx/jit_compiler_x86_static.S

@@ -48,6 +48,7 @@
 .global DECL(randomx_program_loop_load_xop)
 .global DECL(randomx_program_start)
 .global DECL(randomx_program_read_dataset)
+.global DECL(randomx_program_read_dataset_ryzen)
 .global DECL(randomx_program_read_dataset_sshash_init)
 .global DECL(randomx_program_read_dataset_sshash_fin)
 .global DECL(randomx_program_loop_store)
@@ -139,6 +140,9 @@ DECL(randomx_program_start):
 DECL(randomx_program_read_dataset):
 	#include "asm/program_read_dataset.inc"
 
+DECL(randomx_program_read_dataset_ryzen):
+	#include "asm/program_read_dataset_ryzen.inc"
+
 DECL(randomx_program_read_dataset_sshash_init):
 	#include "asm/program_read_dataset_sshash_init.inc"
 

src/crypto/randomx/jit_compiler_x86_static.asm

@@ -39,6 +39,7 @@ PUBLIC randomx_program_loop_load
 PUBLIC randomx_program_loop_load_xop
 PUBLIC randomx_program_start
 PUBLIC randomx_program_read_dataset
+PUBLIC randomx_program_read_dataset_ryzen
 PUBLIC randomx_program_read_dataset_sshash_init
 PUBLIC randomx_program_read_dataset_sshash_fin
 PUBLIC randomx_dataset_init
@@ -135,6 +136,10 @@ randomx_program_read_dataset PROC
 	include asm/program_read_dataset.inc
 randomx_program_read_dataset ENDP
 
+randomx_program_read_dataset_ryzen PROC
+	include asm/program_read_dataset_ryzen.inc
+randomx_program_read_dataset_ryzen ENDP
+
 randomx_program_read_dataset_sshash_init PROC
 	include asm/program_read_dataset_sshash_init.inc
 randomx_program_read_dataset_sshash_init ENDP

src/crypto/randomx/jit_compiler_x86_static.hpp

@@ -40,6 +40,7 @@ extern "C" {
 	void randomx_program_loop_load_xop();
 	void randomx_program_start();
 	void randomx_program_read_dataset();
+	void randomx_program_read_dataset_ryzen();
 	void randomx_program_read_dataset_sshash_init();
 	void randomx_program_read_dataset_sshash_fin();
 	void randomx_program_loop_store();

src/crypto/randomx/panthera/KangarooTwelve.c

@@ -0,0 +1,271 @@
+/*
+Implementation by Ronny Van Keer, hereby denoted as "the implementer".
+
+For more information, feedback or questions, please refer to our website:
+https://keccak.team/
+
+To the extent possible under law, the implementer has waived all copyright
+and related or neighboring rights to the source code in this file.
+http://creativecommons.org/publicdomain/zero/1.0/
+*/
+
+#include <string.h>
+#include "KangarooTwelve.h"
+#ifndef KeccakP1600timesN_excluded
+    // #include "KeccakP-1600-times2-SnP.h"
+    // #include "KeccakP-1600-times4-SnP.h"
+    // #include "KeccakP-1600-times8-SnP.h"
+#endif
+
+#define chunkSize       8192
+#define laneSize        8
+#define suffixLeaf      0x0B /* '110': message hop, simple padding, inner node */
+
+#define security        128
+#define capacity        (2*security)
+#define capacityInBytes (capacity/8)
+#define capacityInLanes (capacityInBytes/laneSize)
+#define rate            (1600-capacity)
+#define rateInBytes     (rate/8)
+#define rateInLanes     (rateInBytes/laneSize)
+
+#define ParallelSpongeFastLoop( Parallellism ) \
+    while ( inLen >= Parallellism * chunkSize ) { \
+        ALIGN(KeccakP1600times##Parallellism##_statesAlignment) unsigned char states[KeccakP1600times##Parallellism##_statesSizeInBytes]; \
+        unsigned char intermediate[Parallellism*capacityInBytes]; \
+        unsigned int localBlockLen = chunkSize; \
+        const unsigned char * localInput = input; \
+        unsigned int i; \
+        unsigned int fastLoopOffset; \
+        \
+        KeccakP1600times##Parallellism##_StaticInitialize(); \
+        KeccakP1600times##Parallellism##_InitializeAll(states); \
+        fastLoopOffset = KeccakP1600times##Parallellism##_12rounds_FastLoop_Absorb(states, rateInLanes, chunkSize / laneSize, rateInLanes, localInput, Parallellism * chunkSize); \
+        localBlockLen -= fastLoopOffset; \
+        localInput += fastLoopOffset; \
+        for ( i = 0; i < Parallellism; ++i, localInput += chunkSize ) { \
+            KeccakP1600times##Parallellism##_AddBytes(states, i, localInput, 0, localBlockLen); \
+            KeccakP1600times##Parallellism##_AddByte(states, i, suffixLeaf, localBlockLen); \
+            KeccakP1600times##Parallellism##_AddByte(states, i, 0x80, rateInBytes-1); \
+        } \
+        KeccakP1600times##Parallellism##_PermuteAll_12rounds(states); \
+        input += Parallellism * chunkSize; \
+        inLen -= Parallellism * chunkSize; \
+        ktInstance->blockNumber += Parallellism; \
+        KeccakP1600times##Parallellism##_ExtractLanesAll(states, intermediate, capacityInLanes, capacityInLanes ); \
+        if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, intermediate, Parallellism * capacityInBytes) != 0) return 1; \
+    }
+
+#define ParallelSpongeLoop( Parallellism ) \
+    while ( inLen >= Parallellism * chunkSize ) { \
+        ALIGN(KeccakP1600times##Parallellism##_statesAlignment) unsigned char states[KeccakP1600times##Parallellism##_statesSizeInBytes]; \
+        unsigned char intermediate[Parallellism*capacityInBytes]; \
+        unsigned int localBlockLen = chunkSize; \
+        const unsigned char * localInput = input; \
+        unsigned int i; \
+        \
+        KeccakP1600times##Parallellism##_StaticInitialize(); \
+        KeccakP1600times##Parallellism##_InitializeAll(states); \
+        while(localBlockLen >= rateInBytes) { \
+            KeccakP1600times##Parallellism##_AddLanesAll(states, localInput, rateInLanes, chunkSize / laneSize); \
+            KeccakP1600times##Parallellism##_PermuteAll_12rounds(states); \
+            localBlockLen -= rateInBytes; \
+            localInput += rateInBytes; \
+           } \
+        for ( i = 0; i < Parallellism; ++i, localInput += chunkSize ) { \
+            KeccakP1600times##Parallellism##_AddBytes(states, i, localInput, 0, localBlockLen); \
+            KeccakP1600times##Parallellism##_AddByte(states, i, suffixLeaf, localBlockLen); \
+            KeccakP1600times##Parallellism##_AddByte(states, i, 0x80, rateInBytes-1); \
+        } \
+        KeccakP1600times##Parallellism##_PermuteAll_12rounds(states); \
+        input += Parallellism * chunkSize; \
+        inLen -= Parallellism * chunkSize; \
+        ktInstance->blockNumber += Parallellism; \
+        KeccakP1600times##Parallellism##_ExtractLanesAll(states, intermediate, capacityInLanes, capacityInLanes ); \
+        if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, intermediate, Parallellism * capacityInBytes) != 0) return 1; \
+    }
+
+static unsigned int right_encode( unsigned char * encbuf, size_t value )
+{
+    unsigned int n, i;
+    size_t v;
+
+    for ( v = value, n = 0; v && (n < sizeof(size_t)); ++n, v >>= 8 )
+        ; /* empty */
+    for ( i = 1; i <= n; ++i )
+        encbuf[i-1] = (unsigned char)(value >> (8 * (n-i)));
+    encbuf[n] = (unsigned char)n;
+    return n + 1;
+}
+
+int KangarooTwelve_Initialize(KangarooTwelve_Instance *ktInstance, size_t outputLen)
+{
+    ktInstance->fixedOutputLength = outputLen;
+    ktInstance->queueAbsorbedLen = 0;
+    ktInstance->blockNumber = 0;
+    ktInstance->phase = ABSORBING;
+    return KeccakWidth1600_12rounds_SpongeInitialize(&ktInstance->finalNode, rate, capacity);
+}
+
+int KangarooTwelve_Update(KangarooTwelve_Instance *ktInstance, const unsigned char *input, size_t inLen)
+{
+    if (ktInstance->phase != ABSORBING)
+        return 1;
+
+    if ( ktInstance->blockNumber == 0 ) {
+        /* First block, absorb in final node */
+        unsigned int len = (inLen < (chunkSize - ktInstance->queueAbsorbedLen)) ? inLen : (chunkSize - ktInstance->queueAbsorbedLen);
+        if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, input, len) != 0)
+            return 1;
+        input += len;
+        inLen -= len;
+        ktInstance->queueAbsorbedLen += len;
+        if ( (ktInstance->queueAbsorbedLen == chunkSize) && (inLen != 0) ) {
+            /* First block complete and more input data available, finalize it */
+            const unsigned char padding = 0x03; /* '110^6': message hop, simple padding */
+            ktInstance->queueAbsorbedLen = 0;
+            ktInstance->blockNumber = 1;
+            if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, &padding, 1) != 0)
+                return 1;
+            ktInstance->finalNode.byteIOIndex = (ktInstance->finalNode.byteIOIndex + 7) & ~7; /* Zero padding up to 64 bits */
+        }
+    }
+    else if ( ktInstance->queueAbsorbedLen != 0 ) {
+        /* There is data in the queue, absorb further in queue until block complete */
+        unsigned int len = (inLen < (chunkSize - ktInstance->queueAbsorbedLen)) ? inLen : (chunkSize - ktInstance->queueAbsorbedLen);
+        if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->queueNode, input, len) != 0)
+            return 1;
+        input += len;
+        inLen -= len;
+        ktInstance->queueAbsorbedLen += len;
+        if ( ktInstance->queueAbsorbedLen == chunkSize ) {
+            unsigned char intermediate[capacityInBytes];
+            ktInstance->queueAbsorbedLen = 0;
+            ++ktInstance->blockNumber;
+            if (KeccakWidth1600_12rounds_SpongeAbsorbLastFewBits(&ktInstance->queueNode, suffixLeaf) != 0)
+                return 1;
+            if (KeccakWidth1600_12rounds_SpongeSqueeze(&ktInstance->queueNode, intermediate, capacityInBytes) != 0)
+                return 1;
+            if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, intermediate, capacityInBytes) != 0)
+                return 1;
+        }
+    }
+
+    #if defined(KeccakP1600times8_implementation) && !defined(KeccakP1600times8_isFallback)
+    #if defined(KeccakP1600times8_12rounds_FastLoop_supported)
+    ParallelSpongeFastLoop( 8 )
+    #else
+    ParallelSpongeLoop( 8 )
+    #endif
+    #endif
+
+    #if defined(KeccakP1600times4_implementation) && !defined(KeccakP1600times4_isFallback)
+    #if defined(KeccakP1600times4_12rounds_FastLoop_supported)
+    ParallelSpongeFastLoop( 4 )
+    #else
+    ParallelSpongeLoop( 4 )
+    #endif
+    #endif
+
+    #if defined(KeccakP1600times2_implementation) && !defined(KeccakP1600times2_isFallback)
+    #if defined(KeccakP1600times2_12rounds_FastLoop_supported)
+    ParallelSpongeFastLoop( 2 )
+    #else
+    ParallelSpongeLoop( 2 )
+    #endif
+    #endif
+
+    while ( inLen > 0 ) {
+        unsigned int len = (inLen < chunkSize) ? inLen : chunkSize;
+        if (KeccakWidth1600_12rounds_SpongeInitialize(&ktInstance->queueNode, rate, capacity) != 0)
+            return 1;
+        if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->queueNode, input, len) != 0)
+            return 1;
+        input += len;
+        inLen -= len;
+        if ( len == chunkSize ) {
+            unsigned char intermediate[capacityInBytes];
+            ++ktInstance->blockNumber;
+            if (KeccakWidth1600_12rounds_SpongeAbsorbLastFewBits(&ktInstance->queueNode, suffixLeaf) != 0)
+                return 1;
+            if (KeccakWidth1600_12rounds_SpongeSqueeze(&ktInstance->queueNode, intermediate, capacityInBytes) != 0)
+                return 1;
+            if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, intermediate, capacityInBytes) != 0)
+                return 1;
+        }
+        else
+            ktInstance->queueAbsorbedLen = len;
+    }
+
+    return 0;
+}
+
+int KangarooTwelve_Final(KangarooTwelve_Instance *ktInstance, unsigned char * output, const unsigned char * customization, size_t customLen)
+{
+    unsigned char encbuf[sizeof(size_t)+1+2];
+    unsigned char padding;
+
+    if (ktInstance->phase != ABSORBING)
+        return 1;
+
+    /* Absorb customization | right_encode(customLen) */
+    if ((customLen != 0) && (KangarooTwelve_Update(ktInstance, customization, customLen) != 0))
+        return 1;
+    if (KangarooTwelve_Update(ktInstance, encbuf, right_encode(encbuf, customLen)) != 0)
+        return 1;
+
+    if ( ktInstance->blockNumber == 0 ) {
+        /* Non complete first block in final node, pad it */
+        padding = 0x07; /*  '11': message hop, final node */
+    }
+    else {
+        unsigned int n;
+
+        if ( ktInstance->queueAbsorbedLen != 0 ) {
+            /* There is data in the queue node */
+            unsigned char intermediate[capacityInBytes];
+            ++ktInstance->blockNumber;
+            if (KeccakWidth1600_12rounds_SpongeAbsorbLastFewBits(&ktInstance->queueNode, suffixLeaf) != 0)
+                return 1;
+            if (KeccakWidth1600_12rounds_SpongeSqueeze(&ktInstance->queueNode, intermediate, capacityInBytes) != 0)
+                return 1;
+            if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, intermediate, capacityInBytes) != 0)
+                return 1;
+        }
+        --ktInstance->blockNumber; /* Absorb right_encode(number of Chaining Values) || 0xFF || 0xFF */
+        n = right_encode(encbuf, ktInstance->blockNumber);
+        encbuf[n++] = 0xFF;
+        encbuf[n++] = 0xFF;
+        if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, encbuf, n) != 0)
+            return 1;
+        padding = 0x06; /* '01': chaining hop, final node */
+    }
+    if (KeccakWidth1600_12rounds_SpongeAbsorbLastFewBits(&ktInstance->finalNode, padding) != 0)
+        return 1;
+    if ( ktInstance->fixedOutputLength != 0 ) {
+        ktInstance->phase = FINAL;
+        return KeccakWidth1600_12rounds_SpongeSqueeze(&ktInstance->finalNode, output, ktInstance->fixedOutputLength);
+    }
+    ktInstance->phase = SQUEEZING;
+    return 0;
+}
+
+int KangarooTwelve_Squeeze(KangarooTwelve_Instance *ktInstance, unsigned char * output, size_t outputLen)
+{
+    if (ktInstance->phase != SQUEEZING)
+        return 1;
+    return KeccakWidth1600_12rounds_SpongeSqueeze(&ktInstance->finalNode, output, outputLen);
+}
+
+int KangarooTwelve( const unsigned char * input, size_t inLen, unsigned char * output, size_t outLen, const unsigned char * customization, size_t customLen )
+{
+    KangarooTwelve_Instance ktInstance;
+
+    if (outLen == 0)
+        return 1;
+    if (KangarooTwelve_Initialize(&ktInstance, outLen) != 0)
+        return 1;
+    if (KangarooTwelve_Update(&ktInstance, input, inLen) != 0)
+        return 1;
+    return KangarooTwelve_Final(&ktInstance, output, customization, customLen);
+}

src/crypto/randomx/panthera/KangarooTwelve.h

@@ -0,0 +1,89 @@
+/*
+Implementation by Ronny Van Keer, hereby denoted as "the implementer".
+
+For more information, feedback or questions, please refer to our website:
+https://keccak.team/
+
+To the extent possible under law, the implementer has waived all copyright
+and related or neighboring rights to the source code in this file.
+http://creativecommons.org/publicdomain/zero/1.0/
+*/
+
+#ifndef _KangarooTwelve_h_
+#define _KangarooTwelve_h_
+
+#ifndef KeccakP1600_excluded
+
+#include <stddef.h>
+#include "align.h"
+#include "KeccakSpongeWidth1600.h"
+#include "Phases.h"
+
+typedef KCP_Phases KangarooTwelve_Phases;
+
+typedef struct {
+    KeccakWidth1600_12rounds_SpongeInstance queueNode;
+    KeccakWidth1600_12rounds_SpongeInstance finalNode;
+    size_t fixedOutputLength;
+    size_t blockNumber;
+    unsigned int queueAbsorbedLen;
+    KangarooTwelve_Phases phase;
+} KangarooTwelve_Instance;
+
+/** Extendable ouput function KangarooTwelve.
+  * @param  input           Pointer to the input message (M).
+  * @param  inputByteLen    The length of the input message in bytes.
+  * @param  output          Pointer to the output buffer.
+  * @param  outputByteLen   The desired number of output bytes.
+  * @param  customization   Pointer to the customization string (C).
+  * @param  customByteLen   The length of the customization string in bytes.
+  * @return 0 if successful, 1 otherwise.
+  */
+int KangarooTwelve(const unsigned char *input, size_t inputByteLen, unsigned char *output, size_t outputByteLen, const unsigned char *customization, size_t customByteLen );
+
+/**
+  * Function to initialize a KangarooTwelve instance.
+  * @param  ktInstance      Pointer to the instance to be initialized.
+  * @param  outputByteLen   The desired number of output bytes,
+  *                         or 0 for an arbitrarily-long output.
+  * @return 0 if successful, 1 otherwise.
+  */
+int KangarooTwelve_Initialize(KangarooTwelve_Instance *ktInstance, size_t outputByteLen);
+
+/**
+  * Function to give input data to be absorbed.
+  * @param  ktInstance      Pointer to the instance initialized by KangarooTwelve_Initialize().
+  * @param  input           Pointer to the input message data (M).
+  * @param  inputByteLen    The number of bytes provided in the input message data.
+  * @return 0 if successful, 1 otherwise.
+  */
+int KangarooTwelve_Update(KangarooTwelve_Instance *ktInstance, const unsigned char *input, size_t inputByteLen);
+
+/**
+  * Function to call after all the input message has been input, and to get
+  * output bytes if the length was specified when calling KangarooTwelve_Initialize().
+  * @param  ktInstance      Pointer to the hash instance initialized by KangarooTwelve_Initialize().
+  * If @a outputByteLen was not 0 in the call to KangarooTwelve_Initialize(), the number of
+  *     output bytes is equal to @a outputByteLen.
+  * If @a outputByteLen was 0 in the call to KangarooTwelve_Initialize(), the output bytes
+  *     must be extracted using the KangarooTwelve_Squeeze() function.
+  * @param  output          Pointer to the buffer where to store the output data.
+  * @param  customization   Pointer to the customization string (C).
+  * @param  customByteLen   The length of the customization string in bytes.
+  * @return 0 if successful, 1 otherwise.
+  */
+int KangarooTwelve_Final(KangarooTwelve_Instance *ktInstance, unsigned char *output, const unsigned char *customization, size_t customByteLen);
+
+/**
+  * Function to squeeze output data.
+  * @param  ktInstance     Pointer to the hash instance initialized by KangarooTwelve_Initialize().
+  * @param  data           Pointer to the buffer where to store the output data.
+  * @param  outputByteLen  The number of output bytes desired.
+  * @pre    KangarooTwelve_Final() must have been already called.
+  * @return 0 if successful, 1 otherwise.
+  */
+int KangarooTwelve_Squeeze(KangarooTwelve_Instance *ktInstance, unsigned char *output, size_t outputByteLen);
+
+#endif
+
+#endif

src/crypto/randomx/panthera/KeccakP-1600-SnP.h

@@ -0,0 +1,41 @@
+/*
+Implementation by the Keccak Team, namely, Guido Bertoni, Joan Daemen,
+Michaël Peeters, Gilles Van Assche and Ronny Van Keer,
+hereby denoted as "the implementer".
+
+For more information, feedback or questions, please refer to our website:
+https://keccak.team/
+
+To the extent possible under law, the implementer has waived all copyright
+and related or neighboring rights to the source code in this file.
+http://creativecommons.org/publicdomain/zero/1.0/
+
+---
+
+Please refer to SnP-documentation.h for more details.
+*/
+
+#ifndef _KeccakP_1600_SnP_h_
+#define _KeccakP_1600_SnP_h_
+
+#define KeccakP1600_implementation      "64-bit reference implementation"
+#define KeccakP1600_stateSizeInBytes    200
+#define KeccakP1600_stateAlignment      8
+
+#ifdef KeccakReference
+void KeccakP1600_StaticInitialize( void );
+#else
+#define KeccakP1600_StaticInitialize()
+#endif
+void KeccakP1600_Initialize(void *state);
+void KeccakP1600_AddByte(void *state, unsigned char data, unsigned int offset);
+void KeccakP1600_AddBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length);
+void KeccakP1600_OverwriteBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length);
+void KeccakP1600_OverwriteWithZeroes(void *state, unsigned int byteCount);
+void KeccakP1600_Permute_Nrounds(void *state, unsigned int nrounds);
+void KeccakP1600_Permute_12rounds(void *state);
+void KeccakP1600_Permute_24rounds(void *state);
+void KeccakP1600_ExtractBytes(const void *state, unsigned char *data, unsigned int offset, unsigned int length);
+void KeccakP1600_ExtractAndAddBytes(const void *state, const unsigned char *input, unsigned char *output, unsigned int offset, unsigned int length);
+
+#endif

src/crypto/randomx/panthera/KeccakP-1600-reference.c

@@ -0,0 +1,402 @@
+/*
+Implementation by the Keccak Team, namely, Guido Bertoni, Joan Daemen,
+Michaël Peeters, Gilles Van Assche and Ronny Van Keer,
+hereby denoted as "the implementer".
+
+For more information, feedback or questions, please refer to our website:
+https://keccak.team/
+
+To the extent possible under law, the implementer has waived all copyright
+and related or neighboring rights to the source code in this file.
+http://creativecommons.org/publicdomain/zero/1.0/
+
+---
+
+This file implements Keccak-p[1600] in a SnP-compatible way.
+Please refer to SnP-documentation.h for more details.
+
+This implementation comes with KeccakP-1600-SnP.h in the same folder.
+Please refer to LowLevel.build for the exact list of other files it must be combined with.
+*/
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "brg_endian.h"
+#ifdef KeccakReference
+#include "displayIntermediateValues.h"
+#endif
+
+typedef unsigned char UINT8;
+typedef unsigned long long UINT64;
+typedef UINT64 tKeccakLane;
+
+#define maxNrRounds 24
+#define nrLanes 25
+#define index(x, y) (((x)%5)+5*((y)%5))
+
+#ifdef KeccakReference
+
+static tKeccakLane KeccakRoundConstants[maxNrRounds];
+static unsigned int KeccakRhoOffsets[nrLanes];
+
+/* ---------------------------------------------------------------- */
+
+void KeccakP1600_InitializeRoundConstants(void);
+void KeccakP1600_InitializeRhoOffsets(void);
+static int LFSR86540(UINT8 *LFSR);
+
+void KeccakP1600_StaticInitialize(void)
+{
+    if (sizeof(tKeccakLane) != 8) {
+        printf("tKeccakLane should be 64-bit wide\n");
+        abort();
+    }
+    KeccakP1600_InitializeRoundConstants();
+    KeccakP1600_InitializeRhoOffsets();
+}
+
+void KeccakP1600_InitializeRoundConstants(void)
+{
+    UINT8 LFSRstate = 0x01;
+    unsigned int i, j, bitPosition;
+
+    for(i=0; i<maxNrRounds; i++) {
+        KeccakRoundConstants[i] = 0;
+        for(j=0; j<7; j++) {
+            bitPosition = (1<<j)-1; /* 2^j-1 */
+            if (LFSR86540(&LFSRstate))
+                KeccakRoundConstants[i] ^= (tKeccakLane)1<<bitPosition;
+        }
+    }
+}
+
+void KeccakP1600_InitializeRhoOffsets(void)
+{
+    unsigned int x, y, t, newX, newY;
+
+    KeccakRhoOffsets[index(0, 0)] = 0;
+    x = 1;
+    y = 0;
+    for(t=0; t<24; t++) {
+        KeccakRhoOffsets[index(x, y)] = ((t+1)*(t+2)/2) % 64;
+        newX = (0*x+1*y) % 5;
+        newY = (2*x+3*y) % 5;
+        x = newX;
+        y = newY;
+    }
+}
+
+static int LFSR86540(UINT8 *LFSR)
+{
+    int result = ((*LFSR) & 0x01) != 0;
+    if (((*LFSR) & 0x80) != 0)
+        /* Primitive polynomial over GF(2): x^8+x^6+x^5+x^4+1 */
+        (*LFSR) = ((*LFSR) << 1) ^ 0x71;
+    else
+        (*LFSR) <<= 1;
+    return result;
+}
+
+#else
+
+static const tKeccakLane KeccakRoundConstants[maxNrRounds] =
+{
+    0x0000000000000001,
+    0x0000000000008082,
+    0x800000000000808a,
+    0x8000000080008000,
+    0x000000000000808b,
+    0x0000000080000001,
+    0x8000000080008081,
+    0x8000000000008009,
+    0x000000000000008a,
+    0x0000000000000088,
+    0x0000000080008009,
+    0x000000008000000a,
+    0x000000008000808b,
+    0x800000000000008b,
+    0x8000000000008089,
+    0x8000000000008003,
+    0x8000000000008002,
+    0x8000000000000080,
+    0x000000000000800a,
+    0x800000008000000a,
+    0x8000000080008081,
+    0x8000000000008080,
+    0x0000000080000001,
+    0x8000000080008008,
+};
+
+static const unsigned int KeccakRhoOffsets[nrLanes] =
+{
+     0,  1, 62, 28, 27, 36, 44,  6, 55, 20,  3, 10, 43, 25, 39, 41, 45, 15, 21,  8, 18,  2, 61, 56, 14
+};
+
+#endif
+
+/* ---------------------------------------------------------------- */
+
+void KeccakP1600_Initialize(void *state)
+{
+    memset(state, 0, 1600/8);
+}
+
+/* ---------------------------------------------------------------- */
+
+void KeccakP1600_AddByte(void *state, unsigned char byte, unsigned int offset)
+{
+    assert(offset < 200);
+    ((unsigned char *)state)[offset] ^= byte;
+}
+
+/* ---------------------------------------------------------------- */
+
+void KeccakP1600_AddBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length)
+{
+    unsigned int i;
+
+    assert(offset < 200);
+    assert(offset+length <= 200);
+    for(i=0; i<length; i++)
+        ((unsigned char *)state)[offset+i] ^= data[i];
+}
+
+/* ---------------------------------------------------------------- */
+
+void KeccakP1600_OverwriteBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length)
+{
+    assert(offset < 200);
+    assert(offset+length <= 200);
+    memcpy((unsigned char*)state+offset, data, length);
+}
+
+/* ---------------------------------------------------------------- */
+
+void KeccakP1600_OverwriteWithZeroes(void *state, unsigned int byteCount)
+{
+    assert(byteCount <= 200);
+    memset(state, 0, byteCount);
+}
+
+/* ---------------------------------------------------------------- */
+
+void KeccakP1600OnWords(tKeccakLane *state, unsigned int nrRounds);
+void KeccakP1600Round(tKeccakLane *state, unsigned int indexRound);
+static void theta(tKeccakLane *A);
+static void rho(tKeccakLane *A);
+static void pi(tKeccakLane *A);
+static void chi(tKeccakLane *A);
+static void iota(tKeccakLane *A, unsigned int indexRound);
+
+void KeccakP1600_Permute_Nrounds(void *state, unsigned int nrounds)
+{
+#if (PLATFORM_BYTE_ORDER != IS_LITTLE_ENDIAN)
+    tKeccakLane stateAsWords[1600/64];
+#endif
+
+#ifdef KeccakReference
+    displayStateAsBytes(1, "Input of permutation", (const unsigned char *)state, 1600);
+#endif
+#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
+    KeccakP1600OnWords((tKeccakLane*)state, nrounds);
+#else
+    fromBytesToWords(stateAsWords, (const unsigned char *)state);
+    KeccakP1600OnWords(stateAsWords, nrounds);
+    fromWordsToBytes((unsigned char *)state, stateAsWords);
+#endif
+#ifdef KeccakReference
+    displayStateAsBytes(1, "State after permutation", (const unsigned char *)state, 1600);
+#endif
+}
+
+void KeccakP1600_Permute_12rounds(void *state)
+{
+#if (PLATFORM_BYTE_ORDER != IS_LITTLE_ENDIAN)
+    tKeccakLane stateAsWords[1600/64];
+#endif
+
+#ifdef KeccakReference
+    displayStateAsBytes(1, "Input of permutation", (const unsigned char *)state, 1600);
+#endif
+#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
+    KeccakP1600OnWords((tKeccakLane*)state, 12);
+#else
+    fromBytesToWords(stateAsWords, (const unsigned char *)state);
+    KeccakP1600OnWords(stateAsWords, 12);
+    fromWordsToBytes((unsigned char *)state, stateAsWords);
+#endif
+#ifdef KeccakReference
+    displayStateAsBytes(1, "State after permutation", (const unsigned char *)state, 1600);
+#endif
+}
+
+void KeccakP1600_Permute_24rounds(void *state)
+{
+#if (PLATFORM_BYTE_ORDER != IS_LITTLE_ENDIAN)
+    tKeccakLane stateAsWords[1600/64];
+#endif
+
+#ifdef KeccakReference
+    displayStateAsBytes(1, "Input of permutation", (const unsigned char *)state, 1600);
+#endif
+#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
+    KeccakP1600OnWords((tKeccakLane*)state, 24);
+#else
+    fromBytesToWords(stateAsWords, (const unsigned char *)state);
+    KeccakP1600OnWords(stateAsWords, 24);
+    fromWordsToBytes((unsigned char *)state, stateAsWords);
+#endif
+#ifdef KeccakReference
+    displayStateAsBytes(1, "State after permutation", (const unsigned char *)state, 1600);
+#endif
+}
+
+void KeccakP1600OnWords(tKeccakLane *state, unsigned int nrRounds)
+{
+    unsigned int i;
+
+#ifdef KeccakReference
+    displayStateAsLanes(3, "Same, with lanes as 64-bit words", state, 1600);
+#endif
+
+    for(i=(maxNrRounds-nrRounds); i<maxNrRounds; i++)
+        KeccakP1600Round(state, i);
+}
+
+void KeccakP1600Round(tKeccakLane *state, unsigned int indexRound)
+{
+#ifdef KeccakReference
+    displayRoundNumber(3, indexRound);
+#endif
+
+    theta(state);
+#ifdef KeccakReference
+    displayStateAsLanes(3, "After theta", state, 1600);
+#endif
+
+    rho(state);
+#ifdef KeccakReference
+    displayStateAsLanes(3, "After rho", state, 1600);
+#endif
+
+    pi(state);
+#ifdef KeccakReference
+    displayStateAsLanes(3, "After pi", state, 1600);
+#endif
+
+    chi(state);
+#ifdef KeccakReference
+    displayStateAsLanes(3, "After chi", state, 1600);
+#endif
+
+    iota(state, indexRound);
+#ifdef KeccakReference
+    displayStateAsLanes(3, "After iota", state, 1600);
+#endif
+}
+
+#define ROL64(a, offset) ((offset != 0) ? ((((tKeccakLane)a) << offset) ^ (((tKeccakLane)a) >> (64-offset))) : a)
+
+static void theta(tKeccakLane *A)
+{
+    unsigned int x, y;
+    tKeccakLane C[5], D[5];
+
+    for(x=0; x<5; x++) {
+        C[x] = 0;
+        for(y=0; y<5; y++)
+            C[x] ^= A[index(x, y)];
+    }
+    for(x=0; x<5; x++)
+        D[x] = ROL64(C[(x+1)%5], 1) ^ C[(x+4)%5];
+    for(x=0; x<5; x++)
+        for(y=0; y<5; y++)
+            A[index(x, y)] ^= D[x];
+}
+
+static void rho(tKeccakLane *A)
+{
+    unsigned int x, y;
+
+    for(x=0; x<5; x++) for(y=0; y<5; y++)
+        A[index(x, y)] = ROL64(A[index(x, y)], KeccakRhoOffsets[index(x, y)]);
+}
+
+static void pi(tKeccakLane *A)
+{
+    unsigned int x, y;
+    tKeccakLane tempA[25];
+
+    for(x=0; x<5; x++) for(y=0; y<5; y++)
+        tempA[index(x, y)] = A[index(x, y)];
+    for(x=0; x<5; x++) for(y=0; y<5; y++)
+        A[index(0*x+1*y, 2*x+3*y)] = tempA[index(x, y)];
+}
+
+static void chi(tKeccakLane *A)
+{
+    unsigned int x, y;
+    tKeccakLane C[5];
+
+    for(y=0; y<5; y++) {
+        for(x=0; x<5; x++)
+            C[x] = A[index(x, y)] ^ ((~A[index(x+1, y)]) & A[index(x+2, y)]);
+        for(x=0; x<5; x++)
+            A[index(x, y)] = C[x];
+    }
+}
+
+static void iota(tKeccakLane *A, unsigned int indexRound)
+{
+    A[index(0, 0)] ^= KeccakRoundConstants[indexRound];
+}
+
+/* ---------------------------------------------------------------- */
+
+void KeccakP1600_ExtractBytes(const void *state, unsigned char *data, unsigned int offset, unsigned int length)
+{
+    assert(offset < 200);
+    assert(offset+length <= 200);
+    memcpy(data, (unsigned char*)state+offset, length);
+}
+
+/* ---------------------------------------------------------------- */
+
+void KeccakP1600_ExtractAndAddBytes(const void *state, const unsigned char *input, unsigned char *output, unsigned int offset, unsigned int length)
+{
+    unsigned int i;
+
+    assert(offset < 200);
+    assert(offset+length <= 200);
+    for(i=0; i<length; i++)
+        output[i] = input[i] ^ ((unsigned char *)state)[offset+i];
+}
+
+/* ---------------------------------------------------------------- */
+
+void KeccakP1600_DisplayRoundConstants(FILE *f)
+{
+    unsigned int i;
+
+    for(i=0; i<maxNrRounds; i++) {
+        fprintf(f, "RC[%02i][0][0] = ", i);
+        fprintf(f, "%08X", (unsigned int)(KeccakRoundConstants[i] >> 32));
+        fprintf(f, "%08X", (unsigned int)(KeccakRoundConstants[i] & 0xFFFFFFFFULL));
+        fprintf(f, "\n");
+    }
+    fprintf(f, "\n");
+}
+
+void KeccakP1600_DisplayRhoOffsets(FILE *f)
+{
+    unsigned int x, y;
+
+    for(y=0; y<5; y++) for(x=0; x<5; x++) {
+        fprintf(f, "RhoOffset[%i][%i] = ", x, y);
+        fprintf(f, "%2i", KeccakRhoOffsets[index(x, y)]);
+        fprintf(f, "\n");
+    }
+    fprintf(f, "\n");
+}

src/crypto/randomx/panthera/KeccakSponge-common.h

@@ -0,0 +1,35 @@
+/*
+Implementation by the Keccak Team, namely, Guido Bertoni, Joan Daemen,
+Michaël Peeters, Gilles Van Assche and Ronny Van Keer,
+hereby denoted as "the implementer".
+
+For more information, feedback or questions, please refer to our website:
+https://keccak.team/
+
+To the extent possible under law, the implementer has waived all copyright
+and related or neighboring rights to the source code in this file.
+http://creativecommons.org/publicdomain/zero/1.0/
+*/
+
+#ifndef _KeccakSpongeCommon_h_
+#define _KeccakSpongeCommon_h_
+
+#include <string.h>
+#include "align.h"
+
+#define KCP_DeclareSpongeStructure(prefix, size, alignment) \
+    ALIGN(alignment) typedef struct prefix##_SpongeInstanceStruct { \
+        unsigned char state[size]; \
+        unsigned int rate; \
+        unsigned int byteIOIndex; \
+        int squeezing; \
+    } prefix##_SpongeInstance;
+
+#define KCP_DeclareSpongeFunctions(prefix) \
+    int prefix##_Sponge(unsigned int rate, unsigned int capacity, const unsigned char *input, size_t inputByteLen, unsigned char suffix, unsigned char *output, size_t outputByteLen); \
+    int prefix##_SpongeInitialize(prefix##_SpongeInstance *spongeInstance, unsigned int rate, unsigned int capacity); \
+    int prefix##_SpongeAbsorb(prefix##_SpongeInstance *spongeInstance, const unsigned char *data, size_t dataByteLen); \
+    int prefix##_SpongeAbsorbLastFewBits(prefix##_SpongeInstance *spongeInstance, unsigned char delimitedData); \
+    int prefix##_SpongeSqueeze(prefix##_SpongeInstance *spongeInstance, unsigned char *data, size_t dataByteLen);
+
+#endif