liuyu/pgvector
1
0
Fork 0
mirror of https://github.com/pgvector/pgvector.git synced 2026-07-12 23:56:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

Improved check [skip ci]

Browse Source
This commit is contained in:
Andrew Kane
2024-04-17 18:13:58 -07:00
parent e2d8907180
commit c5372e493b
1 changed files with 9 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/halfutils.c
View File

@@ -192,13 +192,13 @@ HalfvecCosineSimilarityF16cFma(int dim, half * ax, half * bx)
#endif #endif
#ifdef HALFVEC_DISPATCH #ifdef HALFVEC_DISPATCH
#define CPU_FEATURE_FMA (1 << 12) #define CPU_FEATURE_FMA (1 << 12)
#define CPU_FEATURE_F16C (1 << 29) #define CPU_FEATURE_OSXSAVE (1 << 27)
#define CPU_FEATURE_F16C (1 << 29)
static bool static bool
SupportsCpuFeature(unsigned int feature) SupportsCpuFeature(unsigned int feature)
{ {
/* TODO Fix check */
unsigned int exx[4] = {0, 0, 0, 0}; unsigned int exx[4] = {0, 0, 0, 0};
#if defined(HAVE__GET_CPUID) #if defined(HAVE__GET_CPUID)
@@ -207,6 +207,12 @@ SupportsCpuFeature(unsigned int feature)
__cpuid(exx, 1); __cpuid(exx, 1);
#endif #endif
if ((exx[2] & CPU_FEATURE_OSXSAVE) != CPU_FEATURE_OSXSAVE)
return false;
if ((_xgetbv(0) & 6) != 6)
return false;
return (exx[2] & feature) == feature; return (exx[2] & feature) == feature;
} }
#endif #endif