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Separate MSR mod for Zen/Zen2 and Zen3

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Another +0.5% speedup for Zen2
This commit is contained in:
SChernykh 2020-11-08 19:40:44 +01:00
parent 0a183a59c0
commit c8c0abdb00
3 changed files with 20 additions and 5 deletions
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3
src/backend/cpu/interfaces/ICpuInfo.h
View file

@ -48,7 +48,8 @@ public:
enum MsrMod : uint32_t {
MSR_MOD_NONE,
MSR_MOD_RYZEN,
MSR_MOD_RYZEN_17H,
MSR_MOD_RYZEN_19H,
MSR_MOD_INTEL,
MSR_MOD_CUSTOM,
MSR_MOD_MAX

17
src/backend/cpu/platform/BasicCpuInfo.cpp
View file

@ -195,9 +195,22 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
cpuid(PROCESSOR_INFO, data);
const int32_t family = get_masked(data[EAX_Reg], 12, 8) + get_masked(data[EAX_Reg], 28, 20);
if (family >= 23) {
if (family >= 0x17) {
m_assembly = Assembly::RYZEN;
m_msrMod = MSR_MOD_RYZEN;
switch (family) {
case 0x17:
m_msrMod = MSR_MOD_RYZEN_17H;
break;
case 0x19:
m_msrMod = MSR_MOD_RYZEN_19H;
break;
default:
m_msrMod = MSR_MOD_NONE;
break;
}
}
else {
m_assembly = Assembly::BULLDOZER;

5
src/crypto/rx/RxConfig.cpp
View file

@ -64,16 +64,17 @@ static const std::array<const char *, RxConfig::ModeMax> modeNames = { "auto", "
#ifdef XMRIG_FEATURE_MSR
constexpr size_t kMsrArraySize = 4;
constexpr size_t kMsrArraySize = 5;
static const std::array<MsrItems, kMsrArraySize> msrPresets = {
MsrItems(),
MsrItems{{ 0xC0011020, 0ULL }, { 0xC0011021, 0x40ULL, ~0x20ULL }, { 0xC0011022, 0x1510000ULL }, { 0xC001102b, 0x2000cc16ULL }},
MsrItems{{ 0xC0011020, 0x0004480000000000ULL }, { 0xC0011021, 0x001c000200000040ULL, ~0x20ULL }, { 0xC0011022, 0xc000000401500000ULL }, { 0xC001102b, 0x2000cc14ULL }},
MsrItems{{ 0x1a4, 0xf }},
MsrItems()
};
static const std::array<const char *, kMsrArraySize> modNames = { "none", "ryzen", "intel", "custom" };
static const std::array<const char *, kMsrArraySize> modNames = { "none", "ryzen_17h", "ryzen_19h", "intel", "custom" };
static_assert (kMsrArraySize == ICpuInfo::MSR_MOD_MAX, "kMsrArraySize and MSR_MOD_MAX mismatch");
#endif