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Auto-detect the fastest code for dataset init

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This commit is contained in:
SChernykh 2020-12-19 13:59:28 +01:00
parent 7aba194d3b
commit 410313d933
5 changed files with 67 additions and 3 deletions
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9
src/backend/cpu/interfaces/ICpuInfo.h
View file

@ -40,6 +40,14 @@ public:
VENDOR_AMD
};
enum Arch : uint32_t {
ARCH_UNKNOWN,
ARCH_ZEN,
ARCH_ZEN_PLUS,
ARCH_ZEN2,
ARCH_ZEN3
};
enum MsrMod : uint32_t {
MSR_MOD_NONE,
MSR_MOD_RYZEN_17H,
@ -100,6 +108,7 @@ public:
virtual size_t packages() const = 0;
virtual size_t threads() const = 0;
virtual Vendor vendor() const = 0;
virtual Arch arch() const = 0;
virtual bool jccErratum() const = 0;
};

18
src/backend/cpu/platform/BasicCpuInfo.cpp
View file

@ -217,9 +217,27 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
switch (m_family) {
case 0x17:
m_msrMod = MSR_MOD_RYZEN_17H;
switch (m_model) {
case 1:
case 17:
case 32:
m_arch = ARCH_ZEN;
break;
case 8:
case 24:
m_arch = ARCH_ZEN_PLUS;
break;
case 49:
case 96:
case 113:
case 144:
m_arch = ARCH_ZEN2;
break;
}
break;
case 0x19:
m_arch = ARCH_ZEN3;
m_msrMod = MSR_MOD_RYZEN_19H;
break;

2
src/backend/cpu/platform/BasicCpuInfo.h
View file

@ -64,12 +64,14 @@ protected:
inline size_t packages() const override { return 1; }
inline size_t threads() const override { return m_threads; }
inline Vendor vendor() const override { return m_vendor; }
inline Arch arch() const override { return m_arch; }
inline bool jccErratum() const override { return m_jccErratum; }
protected:
char m_brand[64 + 6]{};
size_t m_threads;
Vendor m_vendor = VENDOR_UNKNOWN;
Arch m_arch = ARCH_UNKNOWN;
bool m_jccErratum = false;
private: