Added classes Rx, RxAlgo, RxCache, RxDataset.

src/crypto/common/Algorithm.cpp

@@ -32,6 +32,7 @@
 
 #include "crypto/cn/CnAlgo.h"
 #include "crypto/common/Algorithm.h"
+#include "crypto/rx/RxAlgo.h"
 #include "rapidjson/document.h"
 
 
@@ -138,12 +139,12 @@ size_t xmrig::Algorithm::memory() const
     }
 
 #   ifdef XMRIG_ALGO_RANDOMX
-    if (m_id == RX_WOW) {
-        return 0x100000;
+    if (f == RANDOM_X) {
+        return RxAlgo::l3(m_id);
     }
 #   endif
 
-    return 0x200000;
+    return 0;
 }
 
 

src/crypto/common/VirtualMemory.h

@@ -44,6 +44,8 @@ public:
     static void freeLargePagesMemory(void *p, size_t size);
     static void protectExecutableMemory(void *p, size_t size);
     static void unprotectExecutableMemory(void *p, size_t size);
+
+    static inline constexpr size_t align(size_t pos, size_t align = 2097152) { return ((pos - 1) / align + 1) * align; }
 };
 
 

src/crypto/common/VirtualMemory_win.cpp

@@ -32,15 +32,6 @@
 #include "crypto/common/VirtualMemory.h"
 
 
-namespace xmrig {
-
-constexpr size_t align(size_t pos, size_t align) {
-    return ((pos - 1) / align + 1) * align;
-}
-
-}
-
-
 void *xmrig::VirtualMemory::allocateExecutableMemory(size_t size)
 {
     return VirtualAlloc(nullptr, size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);

src/crypto/rx/Rx.cpp

@@ -0,0 +1,134 @@
+/* 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      Lee Clagett <https://github.com/vtnerd>
+ * Copyright 2018-2019 tevador     <tevador@gmail.com>
+ * 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 <thread>
+#include <uv.h>
+
+
+#include "backend/cpu/Cpu.h"
+#include "base/io/log/Log.h"
+#include "base/tools/Buffer.h"
+#include "base/tools/Chrono.h"
+#include "crypto/rx/Rx.h"
+#include "crypto/rx/RxCache.h"
+#include "crypto/rx/RxDataset.h"
+
+
+namespace xmrig {
+
+
+class RxPrivate
+{
+public:
+    inline RxPrivate()
+    {
+        uv_mutex_init(&mutex);
+    }
+
+
+    inline ~RxPrivate()
+    {
+        delete dataset;
+        uv_mutex_destroy(&mutex);
+    }
+
+
+    inline void lock()   { uv_mutex_lock(&mutex); }
+    inline void unlock() { uv_mutex_unlock(&mutex); }
+
+
+    RxDataset *dataset   = nullptr;
+    uint32_t initThreads = std::thread::hardware_concurrency();
+    uv_mutex_t mutex;
+};
+
+
+static RxPrivate *d_ptr = new RxPrivate();
+static const char *tag  = BLUE_BG(" rx ");
+
+
+} // namespace xmrig
+
+
+xmrig::RxDataset *xmrig::Rx::dataset(const uint8_t *seed, const Algorithm &algorithm, bool hugePages)
+{
+    d_ptr->lock();
+
+    if (!d_ptr->dataset) {
+        const uint64_t ts = Chrono::steadyMSecs();
+
+        LOG_INFO("%s" MAGENTA_BOLD(" allocate") CYAN_BOLD(" %zu MiB") BLACK_BOLD(" (%zu+%zu) for RandomX dataset & cache"),
+                 tag,
+                 (RxDataset::size() + RxCache::size()) / 1024 / 1024,
+                 RxDataset::size() / 1024 / 1024,
+                 RxCache::size() / 1024 / 1024
+                 );
+
+        d_ptr->dataset = new RxDataset(hugePages);
+
+        const auto hugePages = d_ptr->dataset->hugePages();
+        const double percent = hugePages.first == 0 ? 0.0 : static_cast<double>(hugePages.first) / hugePages.second * 100.0;
+
+        LOG_INFO("%s" GREEN(" allocate done") " huge pages %s%u/%u %1.0f%%" CLEAR " %sJIT" BLACK_BOLD(" (%" PRIu64 " ms)"),
+                 tag,
+                 (hugePages.first == hugePages.second ? GREEN_BOLD_S : (hugePages.first == 0 ? RED_BOLD_S : YELLOW_BOLD_S)),
+                 hugePages.first,
+                 hugePages.second,
+                 percent,
+                 d_ptr->dataset->cache()->isJIT() ? GREEN_BOLD_S "+" : RED_BOLD_S "-",
+                 Chrono::steadyMSecs() - ts
+                 );
+    }
+
+    if (!d_ptr->dataset->isReady(seed, algorithm)) {
+        const uint64_t ts = Chrono::steadyMSecs();
+
+        LOG_INFO("%s" MAGENTA_BOLD(" init dataset") " algo " WHITE_BOLD("%s") " threads " WHITE_BOLD("%u") BLACK_BOLD(" seed %s..."),
+                 tag,
+                 algorithm.shortName(),
+                 d_ptr->initThreads,
+                 Buffer::toHex(seed, 8).data()
+                 );
+
+        d_ptr->dataset->init(seed, algorithm, d_ptr->initThreads);
+
+        LOG_INFO("%s" GREEN(" init done") BLACK_BOLD(" (%" PRIu64 " ms)"), tag, Chrono::steadyMSecs() - ts);
+    }
+
+    RxDataset *dataset = d_ptr->dataset;
+    d_ptr->unlock();
+
+    return dataset;
+}
+
+
+void xmrig::Rx::stop()
+{
+    delete d_ptr;
+
+    d_ptr = nullptr;
+}

src/crypto/rx/Rx.h

@@ -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 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
+ * Copyright 2018-2019 tevador     <tevador@gmail.com>
+ * 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_RX_H
+#define XMRIG_RX_H
+
+
+#include <stdint.h>
+
+
+namespace xmrig
+{
+
+
+class Algorithm;
+class RxDataset;
+
+
+class Rx
+{
+public:
+    static RxDataset *dataset(const uint8_t *seed, const Algorithm &algorithm, bool hugePages = true);
+    static void stop();
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_RX_H */

src/crypto/rx/RxAlgo.cpp

@@ -0,0 +1,69 @@
+/* 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      Lee Clagett <https://github.com/vtnerd>
+ * Copyright 2018-2019 tevador     <tevador@gmail.com>
+ * 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 "crypto/randomx/randomx.h"
+#include "crypto/rx/RxAlgo.h"
+
+
+xmrig::Algorithm::Id xmrig::RxAlgo::apply(Algorithm::Id algorithm)
+{
+    switch (algorithm) {
+    case Algorithm::RX_WOW:
+        randomx_apply_config(RandomX_WowneroConfig);
+        break;
+
+    case Algorithm::RX_LOKI:
+        randomx_apply_config(RandomX_LokiConfig);
+        break;
+
+    default:
+        randomx_apply_config(RandomX_MoneroConfig);
+        break;
+    }
+
+    return algorithm;
+}
+
+
+size_t xmrig::RxAlgo::l3(Algorithm::Id algorithm)
+{
+    switch (algorithm) {
+    case Algorithm::RX_0:
+        return RandomX_MoneroConfig.ScratchpadL3_Size;
+
+    case Algorithm::RX_WOW:
+        return RandomX_WowneroConfig.ScratchpadL3_Size;
+
+    case Algorithm::RX_LOKI:
+        return RandomX_LokiConfig.ScratchpadL3_Size;
+
+    default:
+        break;
+    }
+
+    return 0;
+}

src/crypto/rx/RxAlgo.h

@@ -0,0 +1,56 @@
+/* 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      Lee Clagett <https://github.com/vtnerd>
+ * Copyright 2018-2019 tevador     <tevador@gmail.com>
+ * 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_RX_ALGO_H
+#define XMRIG_RX_ALGO_H
+
+
+#include <stddef.h>
+#include <stdint.h>
+
+
+#include "crypto/common/Algorithm.h"
+
+
+struct RandomX_ConfigurationBase;
+
+
+namespace xmrig
+{
+
+
+class RxAlgo
+{
+public:
+    static Algorithm::Id apply(Algorithm::Id algorithm);
+    static size_t l3(Algorithm::Id algorithm);
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_RX_ALGO_H */

src/crypto/rx/RxCache.cpp

@@ -0,0 +1,81 @@
+/* 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      Lee Clagett <https://github.com/vtnerd>
+ * Copyright 2018-2019 tevador     <tevador@gmail.com>
+ * 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 "crypto/randomx/randomx.h"
+#include "crypto/rx/RxCache.h"
+
+
+static_assert(RANDOMX_FLAG_JIT == 8,         "RANDOMX_FLAG_JIT flag mismatch");
+static_assert(RANDOMX_FLAG_LARGE_PAGES == 1, "RANDOMX_FLAG_LARGE_PAGES flag mismatch");
+
+
+
+xmrig::RxCache::RxCache(bool hugePages) :
+    m_seed()
+{
+    if (hugePages) {
+        m_flags = RANDOMX_FLAG_JIT | RANDOMX_FLAG_LARGE_PAGES;
+        m_cache = randomx_alloc_cache(static_cast<randomx_flags>(m_flags));
+    }
+
+    if (!m_cache) {
+        m_flags = RANDOMX_FLAG_JIT;
+        m_cache = randomx_alloc_cache(static_cast<randomx_flags>(m_flags));
+    }
+
+    if (!m_cache) {
+        m_flags = RANDOMX_FLAG_DEFAULT;
+        m_cache = randomx_alloc_cache(static_cast<randomx_flags>(m_flags));
+    }
+}
+
+
+xmrig::RxCache::~RxCache()
+{
+    if (m_cache) {
+        randomx_release_cache(m_cache);
+    }
+}
+
+
+bool xmrig::RxCache::init(const void *seed)
+{
+    if (isReady(seed)) {
+        return false;
+    }
+
+    memcpy(m_seed, seed, sizeof(m_seed));
+    randomx_init_cache(m_cache, m_seed, sizeof(m_seed));
+
+    return true;
+}
+
+
+bool xmrig::RxCache::isReady(const void *seed) const
+{
+    return memcmp(m_seed, seed, sizeof(m_seed)) == 0;
+}

src/crypto/rx/RxCache.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 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
+ * Copyright 2018-2019 tevador     <tevador@gmail.com>
+ * 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_RX_CACHE_H
+#define XMRIG_RX_CACHE_H
+
+
+#include <stdint.h>
+
+
+#include "crypto/randomx/configuration.h"
+
+
+struct randomx_cache;
+
+
+namespace xmrig
+{
+
+
+class RxCache
+{
+public:
+    RxCache(bool hugePages = true);
+    ~RxCache();
+
+    inline bool isHugePages() const         { return m_flags & 1; }
+    inline bool isJIT() const               { return m_flags & 8; }
+    inline const uint8_t *seed() const      { return m_seed; }
+    inline randomx_cache *get() const       { return m_cache; }
+
+    bool init(const void *seed);
+    bool isReady(const void *seed) const;
+
+    static inline constexpr size_t size() { return RANDOMX_CACHE_MAX_SIZE; }
+
+private:
+    int m_flags = 0;
+    randomx_cache *m_cache = nullptr;
+    uint8_t m_seed[32];
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_RX_CACHE_H */

src/crypto/rx/RxDataset.cpp

@@ -0,0 +1,124 @@
+/* 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      Lee Clagett <https://github.com/vtnerd>
+ * Copyright 2018-2019 tevador     <tevador@gmail.com>
+ * 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 <thread>
+
+
+#include "crypto/common/VirtualMemory.h"
+#include "crypto/randomx/randomx.h"
+#include "crypto/rx/RxAlgo.h"
+#include "crypto/rx/RxCache.h"
+#include "crypto/rx/RxDataset.h"
+
+
+static_assert(RANDOMX_FLAG_LARGE_PAGES == 1, "RANDOMX_FLAG_LARGE_PAGES flag mismatch");
+
+
+xmrig::RxDataset::RxDataset(bool hugePages)
+{
+    if (hugePages) {
+        m_flags   = RANDOMX_FLAG_LARGE_PAGES;
+        m_dataset = randomx_alloc_dataset(static_cast<randomx_flags>(m_flags));
+    }
+
+    if (!m_dataset) {
+        m_flags   = RANDOMX_FLAG_DEFAULT;
+        m_dataset = randomx_alloc_dataset(static_cast<randomx_flags>(m_flags));
+    }
+
+    m_cache = new RxCache(hugePages);
+}
+
+
+xmrig::RxDataset::~RxDataset()
+{
+    if (m_dataset) {
+        randomx_release_dataset(m_dataset);
+    }
+
+    delete m_cache;
+}
+
+
+bool xmrig::RxDataset::init(const void *seed, const Algorithm &algorithm, uint32_t numThreads)
+{
+    if (isReady(seed, algorithm)) {
+        return false;
+    }
+
+    if (m_algorithm != algorithm) {
+        m_algorithm = RxAlgo::apply(algorithm);
+    }
+
+    cache()->init(seed);
+
+    const uint32_t datasetItemCount = randomx_dataset_item_count();
+
+    if (numThreads > 1) {
+        std::vector<std::thread> threads;
+        threads.reserve(numThreads);
+
+        for (uint32_t i = 0; i < numThreads; ++i) {
+            const uint32_t a = (datasetItemCount * i) / numThreads;
+            const uint32_t b = (datasetItemCount * (i + 1)) / numThreads;
+            threads.emplace_back(randomx_init_dataset, m_dataset, m_cache->get(), a, b - a);
+        }
+
+        for (uint32_t i = 0; i < numThreads; ++i) {
+            threads[i].join();
+        }
+    }
+    else {
+        randomx_init_dataset(m_dataset, m_cache->get(), 0, datasetItemCount);
+    }
+
+    return true;
+}
+
+
+bool xmrig::RxDataset::isReady(const void *seed, const Algorithm &algorithm) const
+{
+    return algorithm == m_algorithm && cache()->isReady(seed);
+}
+
+
+std::pair<size_t, size_t> xmrig::RxDataset::hugePages() const
+{
+    constexpr size_t twoMiB = 2u * 1024u * 1024u;
+    constexpr const size_t total = (VirtualMemory::align(size(), twoMiB) + VirtualMemory::align(RxCache::size(), twoMiB)) / twoMiB;
+
+    size_t count = 0;
+    if (isHugePages()) {
+        count += VirtualMemory::align(size(), twoMiB) / twoMiB;
+    }
+
+    if (m_cache->isHugePages()) {
+        count += VirtualMemory::align(RxCache::size(), twoMiB) / twoMiB;
+    }
+
+    return std::pair<size_t, size_t>(count, total);
+}

src/crypto/rx/RxDataset.h

@@ -0,0 +1,72 @@
+/* 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      Lee Clagett <https://github.com/vtnerd>
+ * Copyright 2018-2019 tevador     <tevador@gmail.com>
+ * 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_RX_DATASET_H
+#define XMRIG_RX_DATASET_H
+
+
+#include "crypto/common/Algorithm.h"
+#include "crypto/randomx/configuration.h"
+
+
+struct randomx_dataset;
+
+
+namespace xmrig
+{
+
+
+class RxCache;
+
+
+class RxDataset
+{
+public:
+    RxDataset(bool hugePages = true);
+    ~RxDataset();
+
+    inline bool isHugePages() const     { return m_flags & 1; }
+    inline randomx_dataset *get() const { return m_dataset; }
+    inline RxCache *cache() const       { return m_cache; }
+
+    bool init(const void *seed, const Algorithm &algorithm, uint32_t numThreads);
+    bool isReady(const void *seed, const Algorithm &algorithm) const;
+    std::pair<size_t, size_t> hugePages() const;
+
+    static inline constexpr size_t size() { return RANDOMX_DATASET_MAX_SIZE; }
+
+private:
+    Algorithm m_algorithm;
+    int m_flags                = 0;
+    randomx_dataset *m_dataset = nullptr;
+    RxCache *m_cache           = nullptr;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_RX_DATASET_H */