AuroraSupport/AuroraRuntime
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[*] i swore i replaced this with a tpause before

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[*] ...and the docs arent clear on whether or not this clock value is relative or absolute
This commit is contained in:
Reece Wilson 2024-05-06 22:04:26 +01:00
parent 316fb3f6b2
commit 8e1c74a5df
2 changed files with 30 additions and 4 deletions
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4
Source/Threading/AuSleep.cpp
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@ -117,7 +117,7 @@ namespace Aurora::Threading
#if (defined(AURORA_ARCH_X64) || defined(AURORA_ARCH_X86)) #if (defined(AURORA_ARCH_X64) || defined(AURORA_ARCH_X86))
if (AuThreadPrimitives::ThrdCfg::gIsIntelAlderLakeOrGreater) if (AuThreadPrimitives::ThrdCfg::gIsIntelAlderLakeOrGreater)
{ {
_tpause(0, 10000); _tpause(0, __rdtsc() + 10000);
} }
else else
#endif #endif
@ -168,7 +168,7 @@ namespace Aurora::Threading
#if (defined(AURORA_ARCH_X64) || defined(AURORA_ARCH_X86)) #if (defined(AURORA_ARCH_X64) || defined(AURORA_ARCH_X86))
if (AuThreadPrimitives::ThrdCfg::gIsIntelAlderLakeOrGreater) if (AuThreadPrimitives::ThrdCfg::gIsIntelAlderLakeOrGreater)
{ {
_tpause(0, 1000); _tpause(0, __rdtsc() + 1000);
} }
else else
#endif #endif

30
Source/Threading/Primitives/SMTYield.hpp
View File

@ -103,6 +103,19 @@ namespace Aurora::Threading::Primitives
inline AuUInt32 gUseFutexRWLock {}; inline AuUInt32 gUseFutexRWLock {};
inline AuUInt32 gPreferFutexEvent {}; inline AuUInt32 gPreferFutexEvent {};
static constexpr AuUInt32 kMWAITXUseTSC = (1 << 1);
static constexpr AuUInt32 kMWAITXAllowInterrupts = (1 << 0);
static constexpr AuUInt32 kMWAITXFaultGP0 = (1 << 31);
static constexpr AuUInt32 kMWAITXWaitOnStore = 0;
static constexpr AuUInt32 kMWAITXWaitOnStoreTimed = kMWAITXWaitOnStore | kMWAITXUseTSC;
struct Blocky
{
SMTAtomic_t a;
};
inline const AuAlignTo<16, Blocky> kMassiveBlock;
void InitAdaptiveThreshold(); void InitAdaptiveThreshold();
void InitAdaptiveThresholdFirstTime(); void InitAdaptiveThresholdFirstTime();
void InitCfg(); void InitCfg();
@ -227,7 +240,20 @@ namespace Aurora::Threading::Primitives
} }
else else
{ {
_umwait(1, __rdtsc() + uCount); _tpause(0, __rdtsc() + uCount);
bRet = callback();
}
}
else if (ThrdCfg::gIsZen3OrGreater)
{
if (callback())
{
bRet = true;
}
else
{
_mm_monitorx(&kMassiveBlock, 0, 0);
_mm_mwaitx(kMWAITXUseTSC, 0, uCount);
bRet = callback(); bRet = callback();
} }
} }
@ -461,7 +487,7 @@ namespace Aurora::Threading::Primitives
} }
else else
{ {
_mm_mwaitx(2, 0, uCount); _mm_mwaitx(kMWAITXWaitOnStoreTimed, 0, uCount);
bRet = callback(); bRet = callback();
} }
} }