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Dataset initialization with AVX2 (WIP)

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This commit is contained in:
SChernykh 2020-12-18 14:53:54 +01:00
parent 6b21a51a2f
commit 515a85e66c
17 changed files with 721 additions and 90 deletions
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10
src/backend/cpu/platform/BasicCpuInfo.cpp
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@ -52,8 +52,8 @@
namespace xmrig {
constexpr size_t kCpuFlagsSize = 13;
static const std::array<const char *, kCpuFlagsSize> flagNames = { "aes", "avx2", "avx512f", "bmi2", "osxsave", "pdpe1gb", "sse2", "ssse3", "sse4.1", "xop", "popcnt", "cat_l3", "vm" };
constexpr size_t kCpuFlagsSize = 14;
static const std::array<const char *, kCpuFlagsSize> flagNames = { "aes", "avx", "avx2", "avx512f", "bmi2", "osxsave", "pdpe1gb", "sse2", "ssse3", "sse4.1", "xop", "popcnt", "cat_l3", "vm" };
static_assert(kCpuFlagsSize == ICpuInfo::FLAG_MAX, "kCpuFlagsSize and FLAG_MAX mismatch");
@ -134,11 +134,12 @@ static inline uint64_t xgetbv()
#endif
}
static inline bool has_xcr_avx2() { return (xgetbv() & 0x06) == 0x06; }
static inline bool has_xcr_avx() { return (xgetbv() & 0x06) == 0x06; }
static inline bool has_xcr_avx512() { return (xgetbv() & 0xE6) == 0xE6; }
static inline bool has_osxsave() { return has_feature(PROCESSOR_INFO, ECX_Reg, 1 << 27); }
static inline bool has_aes_ni() { return has_feature(PROCESSOR_INFO, ECX_Reg, 1 << 25); }
static inline bool has_avx2() { return has_feature(EXTENDED_FEATURES, EBX_Reg, 1 << 5) && has_osxsave() && has_xcr_avx2(); }
static inline bool has_avx() { return has_feature(PROCESSOR_INFO, ECX_Reg, 1 << 28) && has_osxsave() && has_xcr_avx(); }
static inline bool has_avx2() { return has_feature(EXTENDED_FEATURES, EBX_Reg, 1 << 5) && has_osxsave() && has_xcr_avx(); }
static inline bool has_avx512f() { return has_feature(EXTENDED_FEATURES, EBX_Reg, 1 << 16) && has_osxsave() && has_xcr_avx512(); }
static inline bool has_bmi2() { return has_feature(EXTENDED_FEATURES, EBX_Reg, 1 << 8); }
static inline bool has_pdpe1gb() { return has_feature(PROCESSOR_EXT_INFO, EDX_Reg, 1 << 26); }
@ -175,6 +176,7 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
cpu_brand_string(m_brand);
m_flags.set(FLAG_AES, has_aes_ni());
m_flags.set(FLAG_AVX, has_avx());
m_flags.set(FLAG_AVX2, has_avx2());
m_flags.set(FLAG_AVX512F, has_avx512f());
m_flags.set(FLAG_BMI2, has_bmi2());