299 lines
7.9 KiB
C++
299 lines
7.9 KiB
C++
/* XMRig
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* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
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* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "crypto/rx/RxConfig.h"
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#include "3rdparty/rapidjson/document.h"
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#include "backend/cpu/Cpu.h"
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#include "base/io/json/Json.h"
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#ifdef XMRIG_FEATURE_HWLOC
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# include "backend/cpu/platform/HwlocCpuInfo.h"
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#endif
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#include <array>
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#include <algorithm>
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#include <cmath>
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#ifdef _MSC_VER
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# define strcasecmp _stricmp
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#endif
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namespace xmrig {
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const char *RxConfig::kInit = "init";
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const char *RxConfig::kInitAVX2 = "init-avx2";
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const char *RxConfig::kField = "randomx";
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const char *RxConfig::kMode = "mode";
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const char *RxConfig::kOneGbPages = "1gb-pages";
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const char *RxConfig::kRdmsr = "rdmsr";
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const char *RxConfig::kWrmsr = "wrmsr";
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const char *RxConfig::kScratchpadPrefetchMode = "scratchpad_prefetch_mode";
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const char *RxConfig::kCacheQoS = "cache_qos";
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#ifdef XMRIG_FEATURE_HWLOC
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const char *RxConfig::kNUMA = "numa";
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#endif
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static const std::array<const char *, RxConfig::ModeMax> modeNames = { "auto", "fast", "light" };
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#ifdef XMRIG_FEATURE_MSR
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constexpr size_t kMsrArraySize = 5;
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static const std::array<MsrItems, kMsrArraySize> msrPresets = {
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MsrItems(),
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MsrItems{{ 0xC0011020, 0ULL }, { 0xC0011021, 0x40ULL, ~0x20ULL }, { 0xC0011022, 0x1510000ULL }, { 0xC001102b, 0x2000cc16ULL }},
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MsrItems{{ 0xC0011020, 0x0004480000000000ULL }, { 0xC0011021, 0x001c000200000040ULL, ~0x20ULL }, { 0xC0011022, 0xc000000401500000ULL }, { 0xC001102b, 0x2000cc14ULL }},
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MsrItems{{ 0x1a4, 0xf }},
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MsrItems()
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};
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static const std::array<const char *, kMsrArraySize> modNames = { MSR_NAMES_LIST };
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static_assert (kMsrArraySize == ICpuInfo::MSR_MOD_MAX, "kMsrArraySize and MSR_MOD_MAX mismatch");
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#endif
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} // namespace xmrig
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bool xmrig::RxConfig::read(const rapidjson::Value &value)
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{
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if (value.IsObject()) {
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m_threads = Json::getInt(value, kInit, m_threads);
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m_initDatasetAVX2 = Json::getInt(value, kInitAVX2, m_initDatasetAVX2);
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m_mode = readMode(Json::getValue(value, kMode));
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m_rdmsr = Json::getBool(value, kRdmsr, m_rdmsr);
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# ifdef XMRIG_FEATURE_MSR
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readMSR(Json::getValue(value, kWrmsr));
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# endif
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m_cacheQoS = Json::getBool(value, kCacheQoS, m_cacheQoS);
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# ifdef XMRIG_OS_LINUX
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m_oneGbPages = Json::getBool(value, kOneGbPages, m_oneGbPages);
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# endif
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# ifdef XMRIG_FEATURE_HWLOC
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if (m_mode == LightMode) {
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m_numa = false;
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return true;
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}
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const auto &numa = Json::getValue(value, kNUMA);
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if (numa.IsArray()) {
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m_nodeset.reserve(numa.Size());
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for (const auto &node : numa.GetArray()) {
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if (node.IsUint()) {
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m_nodeset.emplace_back(node.GetUint());
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}
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}
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}
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else if (numa.IsBool()) {
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m_numa = numa.GetBool();
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}
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# endif
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const auto mode = static_cast<uint32_t>(Json::getInt(value, kScratchpadPrefetchMode, static_cast<int>(m_scratchpadPrefetchMode)));
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if (mode < ScratchpadPrefetchMax) {
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m_scratchpadPrefetchMode = static_cast<ScratchpadPrefetchMode>(mode);
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}
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return true;
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}
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return false;
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}
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rapidjson::Value xmrig::RxConfig::toJSON(rapidjson::Document &doc) const
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{
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using namespace rapidjson;
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auto &allocator = doc.GetAllocator();
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Value obj(kObjectType);
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obj.AddMember(StringRef(kInit), m_threads, allocator);
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obj.AddMember(StringRef(kInitAVX2), m_initDatasetAVX2, allocator);
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obj.AddMember(StringRef(kMode), StringRef(modeName()), allocator);
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obj.AddMember(StringRef(kOneGbPages), m_oneGbPages, allocator);
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obj.AddMember(StringRef(kRdmsr), m_rdmsr, allocator);
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# ifdef XMRIG_FEATURE_MSR
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if (!m_msrPreset.empty()) {
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Value wrmsr(kArrayType);
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wrmsr.Reserve(m_msrPreset.size(), allocator);
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for (const auto &i : m_msrPreset) {
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wrmsr.PushBack(i.toJSON(doc), allocator);
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}
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obj.AddMember(StringRef(kWrmsr), wrmsr, allocator);
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}
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else {
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obj.AddMember(StringRef(kWrmsr), m_wrmsr, allocator);
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}
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# else
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obj.AddMember(StringRef(kWrmsr), false, allocator);
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# endif
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obj.AddMember(StringRef(kCacheQoS), m_cacheQoS, allocator);
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# ifdef XMRIG_FEATURE_HWLOC
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if (!m_nodeset.empty()) {
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Value numa(kArrayType);
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for (uint32_t i : m_nodeset) {
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numa.PushBack(i, allocator);
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}
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obj.AddMember(StringRef(kNUMA), numa, allocator);
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}
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else {
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obj.AddMember(StringRef(kNUMA), m_numa, allocator);
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}
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# endif
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obj.AddMember(StringRef(kScratchpadPrefetchMode), static_cast<int>(m_scratchpadPrefetchMode), allocator);
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return obj;
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}
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#ifdef XMRIG_FEATURE_HWLOC
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std::vector<uint32_t> xmrig::RxConfig::nodeset() const
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{
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if (!m_nodeset.empty()) {
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return m_nodeset;
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}
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return (m_numa && Cpu::info()->nodes() > 1) ? static_cast<HwlocCpuInfo *>(Cpu::info())->nodeset() : std::vector<uint32_t>();
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}
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#endif
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const char *xmrig::RxConfig::modeName() const
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{
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return modeNames[m_mode];
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}
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uint32_t xmrig::RxConfig::threads(uint32_t limit) const
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{
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if (m_threads > 0) {
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return m_threads;
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}
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if (limit < 100) {
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return std::max(static_cast<uint32_t>(round(Cpu::info()->threads() * (limit / 100.0))), 1U);
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}
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return Cpu::info()->threads();
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}
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#ifdef XMRIG_FEATURE_MSR
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const char *xmrig::RxConfig::msrPresetName() const
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{
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return modNames[msrMod()];
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}
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const xmrig::MsrItems &xmrig::RxConfig::msrPreset() const
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{
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const auto mod = msrMod();
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if (mod == ICpuInfo::MSR_MOD_CUSTOM) {
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return m_msrPreset;
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}
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return msrPresets[mod];
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}
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uint32_t xmrig::RxConfig::msrMod() const
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{
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if (!wrmsr()) {
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return ICpuInfo::MSR_MOD_NONE;
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}
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if (!m_msrPreset.empty()) {
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return ICpuInfo::MSR_MOD_CUSTOM;
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}
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return Cpu::info()->msrMod();
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}
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void xmrig::RxConfig::readMSR(const rapidjson::Value &value)
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{
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if (value.IsBool()) {
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m_wrmsr = value.GetBool();
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return;
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}
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if (value.IsInt() && Cpu::info()->vendor() == ICpuInfo::VENDOR_INTEL) {
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const int i = std::min(value.GetInt(), 15);
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if (i >= 0) {
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m_msrPreset.emplace_back(0x1a4, i);
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}
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else {
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m_wrmsr = false;
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}
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}
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if (value.IsArray()) {
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for (const auto &i : value.GetArray()) {
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MsrItem item(i);
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if (item.isValid()) {
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m_msrPreset.emplace_back(item);
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}
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}
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m_wrmsr = !m_msrPreset.empty();
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}
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}
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#endif
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xmrig::RxConfig::Mode xmrig::RxConfig::readMode(const rapidjson::Value &value)
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{
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if (value.IsUint()) {
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return static_cast<Mode>(std::min(value.GetUint(), ModeMax - 1));
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}
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if (value.IsString()) {
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auto mode = value.GetString();
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for (size_t i = 0; i < modeNames.size(); i++) {
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if (strcasecmp(mode, modeNames[i]) == 0) {
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return static_cast<Mode>(i);
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}
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}
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}
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return AutoMode;
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}
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