v6.25.0

Linux: added support for transparent huge pages

.gitignore

@@ -5,3 +5,4 @@ scripts/deps
 /.idea
 /src/backend/opencl/cl/cn/cryptonight_gen.cl
 .vscode
+/.qtcreator

CHANGELOG.md

@@ -1,3 +1,17 @@
+# v6.25.0
+- [#3680](https://github.com/xmrig/xmrig/pull/3680) Added `armv8l` to the list of 32-bit ARM targets.
+- [#3708](https://github.com/xmrig/xmrig/pull/3708) Minor Aarch64 JIT changes (better instruction selection, don't emit instructions that add 0, etc).
+- [#3718](https://github.com/xmrig/xmrig/pull/3718) Solo mining: added support for FCMP++ hardfork.
+- [#3722](https://github.com/xmrig/xmrig/pull/3722) Added Zen4 (Hawk Point) CPUs detection.
+- [#3725](https://github.com/xmrig/xmrig/pull/3725) Added **RISC-V** support with JIT compiler.
+- [#3731](https://github.com/xmrig/xmrig/pull/3731) Added initial Haiku OS support.
+- [#3733](https://github.com/xmrig/xmrig/pull/3733) Added detection for MSVC/2026.
+- [#3736](https://github.com/xmrig/xmrig/pull/3736) RISC-V: added vectorized dataset init.
+- [#3740](https://github.com/xmrig/xmrig/pull/3740) RISC-V: added vectorized soft AES.
+- [#3743](https://github.com/xmrig/xmrig/pull/3743) Linux: added support for transparent huge pages.
+- Improved LibreSSL support.
+- Improved compatibility for automatically enabling huge pages on Linux systems without NUMA support.
+
 # v6.24.0
 - [#3671](https://github.com/xmrig/xmrig/pull/3671) Fixed detection of L2 cache size for some complex NUMA topologies.
 - [#3674](https://github.com/xmrig/xmrig/pull/3674) Fixed ARMv7 build.

src/backend/cpu/CpuWorker.cpp

@@ -87,14 +87,14 @@ xmrig::CpuWorker<N>::CpuWorker(size_t id, const CpuLaunchData &data) :
         if (!cn_heavyZen3Memory) {
             // Round up number of threads to the multiple of 8
             const size_t num_threads = ((m_threads + 7) / 8) * 8;
-            cn_heavyZen3Memory = new VirtualMemory(m_algorithm.l3() * num_threads, data.hugePages, false, false, node());
+            cn_heavyZen3Memory = new VirtualMemory(m_algorithm.l3() * num_threads, data.hugePages, false, false, node(), VirtualMemory::kDefaultHugePageSize);
         }
         m_memory = cn_heavyZen3Memory;
     }
     else
 #   endif
     {
-        m_memory = new VirtualMemory(m_algorithm.l3() * N, data.hugePages, false, true, node());
+        m_memory = new VirtualMemory(m_algorithm.l3() * N, data.hugePages, false, true, node(), VirtualMemory::kDefaultHugePageSize);
     }
 
 #   ifdef XMRIG_ALGO_GHOSTRIDER

src/crypto/common/MemoryPool.cpp

@@ -49,7 +49,7 @@ xmrig::MemoryPool::MemoryPool(size_t size, bool hugePages, uint32_t node)
 
     constexpr size_t alignment = 1 << 24;
 
-    m_memory = new VirtualMemory(size * pageSize + alignment, hugePages, false, false, node);
+    m_memory = new VirtualMemory(size * pageSize + alignment, hugePages, false, false, node, VirtualMemory::kDefaultHugePageSize);
 
     m_alignOffset = (alignment - (((size_t)m_memory->scratchpad()) % alignment)) % alignment;
 }

src/crypto/common/VirtualMemory.cpp

@@ -75,6 +75,16 @@ xmrig::VirtualMemory::VirtualMemory(size_t size, bool hugePages, bool oneGbPages
     }
 
     m_scratchpad = static_cast<uint8_t*>(_mm_malloc(m_size, alignSize));
+
+    // Huge pages failed to allocate, but try to enable transparent huge pages for the range
+    if (alignSize >= kDefaultHugePageSize) {
+        if (m_scratchpad) {
+            adviseLargePages(m_scratchpad, m_size);
+        }
+        else {
+            m_scratchpad = static_cast<uint8_t*>(_mm_malloc(m_size, 64));
+        }
+    }
 }
 
 

src/crypto/common/VirtualMemory.h

@@ -65,6 +65,7 @@ public:
     static void *allocateExecutableMemory(size_t size, bool hugePages);
     static void *allocateLargePagesMemory(size_t size);
     static void *allocateOneGbPagesMemory(size_t size);
+    static bool adviseLargePages(void *p, size_t size);
     static void destroy();
     static void flushInstructionCache(void *p, size_t size);
     static void freeLargePagesMemory(void *p, size_t size);

src/crypto/common/VirtualMemory_unix.cpp

@@ -276,6 +276,16 @@ bool xmrig::VirtualMemory::allocateOneGbPagesMemory()
 }
 
 
+bool xmrig::VirtualMemory::adviseLargePages(void *p, size_t size)
+{
+#   ifdef XMRIG_OS_LINUX
+    return (madvise(p, size, MADV_HUGEPAGE) == 0);
+#   else
+    return false;
+#   endif
+}
+
+
 void xmrig::VirtualMemory::freeLargePagesMemory()
 {
     if (m_flags.test(FLAG_LOCK)) {

src/crypto/common/VirtualMemory_win.cpp

@@ -260,6 +260,12 @@ bool xmrig::VirtualMemory::allocateOneGbPagesMemory()
 }
 
 
+bool xmrig::VirtualMemory::adviseLargePages(void *p, size_t size)
+{
+    return false;
+}
+
+
 void xmrig::VirtualMemory::freeLargePagesMemory()
 {
     freeLargePagesMemory(m_scratchpad, m_size);

src/crypto/rx/RxDataset.cpp

@@ -215,7 +215,7 @@ void xmrig::RxDataset::allocate(bool hugePages, bool oneGbPages)
         return;
     }
 
-    m_memory  = new VirtualMemory(maxSize(), hugePages, oneGbPages, false, m_node);
+    m_memory  = new VirtualMemory(maxSize(), hugePages, oneGbPages, false, m_node, VirtualMemory::kDefaultHugePageSize);
 
     if (m_memory->isOneGbPages()) {
         m_scratchpadOffset = maxSize() + RANDOMX_CACHE_MAX_SIZE;

src/net/JobResults.cpp

@@ -115,7 +115,7 @@ static inline void checkHash(const JobBundle &bundle, std::vector<JobResult> &re
 static void getResults(JobBundle &bundle, std::vector<JobResult> &results, uint32_t &errors, bool hwAES)
 {
     const auto &algorithm = bundle.job.algorithm();
-    auto memory           = new VirtualMemory(algorithm.l3(), false, false, false);
+    auto memory           = new VirtualMemory(algorithm.l3(), false, false, false, 0, VirtualMemory::kDefaultHugePageSize);
     alignas(16) uint8_t hash[32]{ 0 };
 
     if (algorithm.family() == Algorithm::RANDOM_X) {

src/version.h

@@ -2,18 +2,7 @@
  * Copyright (c) 2018-2025 SChernykh   <https://github.com/SChernykh>
  * Copyright (c) 2016-2025 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
- *   This program is free software: you can redistribute it and/or modify
+ * SPDX-License-Identifier: GPL-3.0-or-later
- *   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_VERSION_H
@@ -22,15 +11,15 @@
 #define APP_ID        "xmrig"
 #define APP_NAME      "XMRig"
 #define APP_DESC      "XMRig miner"
-#define APP_VERSION   "6.24.1-dev"
+#define APP_VERSION   "6.25.0"
 #define APP_DOMAIN    "xmrig.com"
 #define APP_SITE      "www.xmrig.com"
 #define APP_COPYRIGHT "Copyright (C) 2016-2025 xmrig.com"
 #define APP_KIND      "miner"
 
 #define APP_VER_MAJOR  6
-#define APP_VER_MINOR  24
+#define APP_VER_MINOR  25
-#define APP_VER_PATCH  1
+#define APP_VER_PATCH  0
 
 #ifdef _MSC_VER
 #   if (_MSC_VER >= 1950)