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Fix DYNAMIC_ARCH CPU detection for Emerald Rapids #6160

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Merged
martin-frbg merged 1 commit into from
Oct 23, 2026
+26 −5
Merged

Fix DYNAMIC_ARCH CPU detection for Emerald Rapids #6160

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31 changes: 26 additions & 5 deletions driver/others/dynamic.c
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Original file line number Diff line number Diff line change
Expand Up @@ -804,6 +804,26 @@ static gotoblas_t *get_coretype(void){
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
return NULL;

case 12:
if (model == 15){ // Emerald Rapids
if(support_amx_bf16())
return &gotoblas_SAPPHIRERAPIDS;
if(support_avx512_bf16())
return &gotoblas_COOPERLAKE;
if (support_avx512())
return &gotoblas_SKYLAKEX;
if(support_avx2())
return &gotoblas_HASWELL;
if(support_avx()) {
openblas_warning(FALLBACK_VERBOSE, SANDYBRIDGE_FALLBACK);
return &gotoblas_SANDYBRIDGE;
} else {
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM;
}
}
return NULL;
}
break;
Expand Down Expand Up @@ -1157,11 +1177,12 @@ void gotoblas_dynamic_init(void) {
if (gotoblas == NULL) gotoblas = &gotoblas_KATMAI;
#else
if (gotoblas == NULL) {
if (support_avx512_bf16()) gotoblas = &gotoblas_COOPERLAKE;
else if (support_avx512()) gotoblas = &gotoblas_SKYLAKEX;
else if (support_avx2()) gotoblas = &gotoblas_HASWELL;
else if (support_avx()) gotoblas = &gotoblas_SANDYBRIDGE;
else gotoblas = &gotoblas_PRESCOTT;
if (support_amx_bf16()) gotoblas = &gotoblas_SAPPHIRERAPIDS;
else if (support_avx512_bf16()) gotoblas = &gotoblas_COOPERLAKE;
else if (support_avx512()) gotoblas = &gotoblas_SKYLAKEX;
else if (support_avx2()) gotoblas = &gotoblas_HASWELL;
else if (support_avx()) gotoblas = &gotoblas_SANDYBRIDGE;
else gotoblas = &gotoblas_PRESCOTT;
}
/* sanity check, if 64bit pointer we can't have a 32 bit cpu */
if (sizeof(void*) == 8) {
Expand Down
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