diff options
Diffstat (limited to 'src/vppinfra/vector.h')
| -rw-r--r-- | src/vppinfra/vector.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/vppinfra/vector.h b/src/vppinfra/vector.h index 906d8d8fbfd..8b08db22124 100644 --- a/src/vppinfra/vector.h +++ b/src/vppinfra/vector.h @@ -66,7 +66,7 @@ #endif #endif -#if defined (__AVX512F__) +#if defined (__AVX512BITALG__) #define CLIB_HAVE_VEC512 #endif @@ -168,7 +168,10 @@ typedef u64 u64x _vector_size (8); #include <vppinfra/vector_avx2.h> #endif -#if defined (__AVX512F__) +#if defined (__AVX512BITALG__) +/* Due to power level transition issues, we don't preffer AVX-512 on + Skylake X and CascadeLake CPUs, AVX512BITALG is introduced on + icelake CPUs */ #include <vppinfra/vector_avx512.h> #endif |