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Add fallback warning

This commit is contained in:
Martin Kroeker 2023-07-19 18:27:41 +02:00 committed by GitHub
parent ca7199f249
commit 5c58994eb2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 4 deletions
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12
driver/others/dynamic_arm64.c
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@ -137,6 +137,8 @@ extern gotoblas_t gotoblas_CORTEXA55;
#endif #endif
extern void openblas_warning(int verbose, const char * msg); extern void openblas_warning(int verbose, const char * msg);
#define FALLBACK_VERBOSE 1
#define NEOVERSEN1_FALLBACK "OpenBLAS : Your OS does not support SVE instructions. OpenBLAS is using Neoverse N1 kernels as a fallback, which may give poorer performance.\n"
#define NUM_CORETYPES 13 #define NUM_CORETYPES 13
@ -284,14 +286,16 @@ static gotoblas_t *get_coretype(void) {
return &gotoblas_NEOVERSEN1; return &gotoblas_NEOVERSEN1;
#ifndef NO_SVE #ifndef NO_SVE
case 0xd49: case 0xd49:
if (!(getauxval(AT_HWCAP) & HWCAP_SVE)) if (!(getauxval(AT_HWCAP) & HWCAP_SVE)) {
openblas_warning(FALLBACK_VERBOSE, NEOVERSEN1_FALLBACK);
return &gotoblas_NEOVERSEN1; return &gotoblas_NEOVERSEN1;
else } else
return &gotoblas_NEOVERSEN2; return &gotoblas_NEOVERSEN2;
case 0xd40: case 0xd40:
if (!(getauxval(AT_HWCAP) & HWCAP_SVE)) if (!(getauxval(AT_HWCAP) & HWCAP_SVE)) {
openblas_warning(FALLBACK_VERBOSE, NEOVERSEN1_FALLBACK);
return &gotoblas_NEOVERSEN1; return &gotoblas_NEOVERSEN1;
else }else
return &gotoblas_NEOVERSEV1; return &gotoblas_NEOVERSEV1;
#endif #endif
case 0xd05: // Cortex A55 case 0xd05: // Cortex A55