static gotoblas_t *get_coretype(void){
int eax, ebx, ecx, edx;
int family, exfamily, model, vendor, exmodel;
cpuid(1, &eax, &ebx, &ecx, &edx);
family = BITMASK(eax, 8, 0x0f);
exfamily = BITMASK(eax, 20, 0xff);
model = BITMASK(eax, 4, 0x0f);
exmodel = BITMASK(eax, 16, 0x0f);
vendor = get_vendor();
if (vendor == VENDOR_INTEL){
switch (family) {
case 0x6:
switch (exmodel) {
case 0:
if (model <= 0x7) return &gotoblas_KATMAI;
if ((model == 0x8) || (model == 0xa) || (model == 0xb)) return &gotoblas_COPPERMINE;
if ((model == 0x9) || (model == 0xd)) return &gotoblas_BANIAS;
if (model == 14) return &gotoblas_BANIAS;
if (model == 15) return &gotoblas_CORE2;
return NULL;
case 1:
if (model == 6) return &gotoblas_CORE2;
if (model == 7) return &gotoblas_PENRYN;
if (model == 13) return &gotoblas_DUNNINGTON;
if ((model == 10) || (model == 11) || (model == 14) || (model == 15)) return &gotoblas_NEHALEM;
if (model == 12) return &gotoblas_ATOM;
return NULL;
case 2:
//Intel Core (Clarkdale) / Core (Arrandale)
// Pentium (Clarkdale) / Pentium Mobile (Arrandale)
// Xeon (Clarkdale), 32nm
if (model == 5) return &gotoblas_NEHALEM;
//Intel Xeon Processor 5600 (Westmere-EP)
//Xeon Processor E7 (Westmere-EX)
//Xeon E7540
if (model == 12 || model == 14 || model == 15) return &gotoblas_NEHALEM;
//Intel Core i5-2000 /i7-2000 (Sandy Bridge)
//Intel Core i7-3000 / Xeon E5
if (model == 10 || model == 13) {
if(support_avx())
return &gotoblas_SANDYBRIDGE;
else{
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
return NULL;
case 3:
//Intel Sandy Bridge 22nm (Ivy Bridge?)
if (model == 10 || model == 14) {
if(support_avx())
return &gotoblas_SANDYBRIDGE;
else{
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
//Intel Haswell
if (model == 12 || model == 15) {
if(support_avx())
return &gotoblas_HASWELL;
else{
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
//Intel Broadwell
if (model == 13) {
if(support_avx())
return &gotoblas_HASWELL;
else{
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
return NULL;
case 4:
//Intel Haswell
if (model == 5 || model == 6) {
if(support_avx())
return &gotoblas_HASWELL;
else{
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
//Intel Broadwell
if (model == 7 || model == 15) {
if(support_avx())
return &gotoblas_HASWELL;
else{
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
//Intel Skylake
if (model == 14) {
if(support_avx())
return &gotoblas_HASWELL;
else{
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
//Intel Avoton
if (model == 13) {
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM;
}
return NULL;
case 5:
//Intel Broadwell
if (model == 6) {
if(support_avx())
return &gotoblas_HASWELL;
else{
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
//Intel Skylake
if (model == 14 || model == 5) {
if(support_avx())
return &gotoblas_HASWELL;
else{
openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
return NULL;
}
case 0xf:
if (model <= 0x2) return &gotoblas_NORTHWOOD;
return &gotoblas_PRESCOTT;
}
}
if (vendor == VENDOR_AMD){
if (family <= 0xe) {
// Verify that CPU has 3dnow and 3dnowext before claiming it is Athlon
cpuid(0x80000000, &eax, &ebx, &ecx, &edx);
if ( (eax & 0xffff) >= 0x01) {
cpuid(0x80000001, &eax, &ebx, &ecx, &edx);
if ((edx & (1 << 30)) == 0 || (edx & (1 << 31)) == 0)
return NULL;
}
else
return NULL;
return &gotoblas_ATHLON;
}
if (family == 0xf){
if ((exfamily == 0) || (exfamily == 2)) {
if (ecx & (1 << 0)) return &gotoblas_OPTERON_SSE3;
else return &gotoblas_OPTERON;
} else if (exfamily == 5) {
return &gotoblas_BOBCAT;
} else if (exfamily == 6) {
if(model == 1){
//AMD Bulldozer Opteron 6200 / Opteron 4200 / AMD FX-Series
if(support_avx())
return &gotoblas_BULLDOZER;
else{
openblas_warning(FALLBACK_VERBOSE, BARCELONA_FALLBACK);
return &gotoblas_BARCELONA; //OS doesn't support AVX. Use old kernels.
}
}else if(model == 2 || model == 3){
//AMD Bulldozer Opteron 6300 / Opteron 4300 / Opteron 3300
if(support_avx())
return &gotoblas_PILEDRIVER;
else{
openblas_warning(FALLBACK_VERBOSE, BARCELONA_FALLBACK);
return &gotoblas_BARCELONA; //OS doesn't support AVX. Use old kernels.
}
}else if(model == 0){
if (exmodel == 1) {
//AMD Trinity
if(support_avx())
return &gotoblas_PILEDRIVER;
else{
openblas_warning(FALLBACK_VERBOSE, BARCELONA_FALLBACK);
return &gotoblas_BARCELONA; //OS doesn't support AVX. Use old kernels.
}
}else if (exmodel == 3) {
//AMD STEAMROLLER
if(support_avx())
return &gotoblas_STEAMROLLER;
else{
openblas_warning(FALLBACK_VERBOSE, BARCELONA_FALLBACK);
return &gotoblas_BARCELONA; //OS doesn't support AVX. Use old kernels.
}
}else if (exmodel == 6) {
if(support_avx())
return &gotoblas_EXCAVATOR;
else{
openblas_warning(FALLBACK_VERBOSE, BARCELONA_FALLBACK);
return &gotoblas_BARCELONA; //OS doesn't support AVX. Use old kernels.
}
}
}
} else {
return &gotoblas_BARCELONA;
}
}
}
if (vendor == VENDOR_CENTAUR) {
switch (family) {
case 0x6:
return &gotoblas_NANO;
break;
}
}
return NULL;
}
static gotoblas_t *get_coretype(void){
int eax, ebx, ecx, edx;
int family, exfamily, model, vendor, exmodel;
cpuid(1, &eax, &ebx, &ecx, &edx);
family = BITMASK(eax, 8, 0x0f);
exfamily = BITMASK(eax, 20, 0xff);
model = BITMASK(eax, 4, 0x0f);
exmodel = BITMASK(eax, 16, 0x0f);
vendor = get_vendor();
if (vendor == VENDOR_INTEL){
switch (family) {
case 0x6:
switch (exmodel) {
case 0:
if (model <= 0x7) return &gotoblas_KATMAI;
if ((model == 0x8) || (model == 0xa) || (model == 0xb)) return &gotoblas_COPPERMINE;
if ((model == 0x9) || (model == 0xd)) return &gotoblas_BANIAS;
if (model == 14) return &gotoblas_BANIAS;
if (model == 15) return &gotoblas_CORE2;
return NULL;
case 1:
if (model == 6) return &gotoblas_CORE2;
if (model == 7) return &gotoblas_PENRYN;
if (model == 13) return &gotoblas_DUNNINGTON;
if ((model == 10) || (model == 11) || (model == 14) || (model == 15)) return &gotoblas_NEHALEM;
if (model == 12) return &gotoblas_ATOM;
return NULL;
case 2:
//Intel Core (Clarkdale) / Core (Arrandale)
// Pentium (Clarkdale) / Pentium Mobile (Arrandale)
// Xeon (Clarkdale), 32nm
if (model == 5) return &gotoblas_NEHALEM;
//Intel Xeon Processor 5600 (Westmere-EP)
//Xeon Processor E7 (Westmere-EX)
//Xeon E7540
if (model == 12 || model == 14 || model == 15) return &gotoblas_NEHALEM;
//Intel Core i5-2000 /i7-2000 (Sandy Bridge)
//Intel Core i7-3000 / Xeon E5
if (model == 10 || model == 13) {
if(support_avx())
return &gotoblas_SANDYBRIDGE;
else{
fprintf(stderr, "OpenBLAS : Your OS does not support AVX instructions. OpenBLAS is using Nehalem kernels as a fallback, which may give poorer performance.\n");
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
return NULL;
case 3:
//Intel Sandy Bridge 22nm (Ivy Bridge?)
if (model == 10) {
if(support_avx())
return &gotoblas_SANDYBRIDGE;
else{
fprintf(stderr, "OpenBLAS : Your OS does not support AVX instructions. OpenBLAS is using Nehalem kernels as a fallback, which may give poorer performance.\n");
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
//Intel Haswell
if (model == 12) {
if(support_avx())
return &gotoblas_HASWELL;
else{
fprintf(stderr, "OpenBLAS : Your OS does not support AVX instructions. OpenBLAS is using Nehalem kernels as a fallback, which may give poorer performance.\n");
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
return NULL;
case 4:
//Intel Haswell
if (model == 5) {
if(support_avx())
return &gotoblas_HASWELL;
else{
fprintf(stderr, "OpenBLAS : Your OS does not support AVX instructions. OpenBLAS is using Nehalem kernels as a fallback, which may give poorer performance.\n");
return &gotoblas_NEHALEM; //OS doesn't support AVX. Use old kernels.
}
}
return NULL;
}
case 0xf:
if (model <= 0x2) return &gotoblas_NORTHWOOD;
return &gotoblas_PRESCOTT;
}
}
if (vendor == VENDOR_AMD){
if (family <= 0xe) return &gotoblas_ATHLON;
if (family == 0xf){
if ((exfamily == 0) || (exfamily == 2)) {
if (ecx & (1 << 0)) return &gotoblas_OPTERON_SSE3;
else return &gotoblas_OPTERON;
} else if (exfamily == 5) {
return &gotoblas_BOBCAT;
} else if (exfamily == 6) {
//AMD Bulldozer Opteron 6200 / Opteron 4200 / AMD FX-Series
if(support_avx())
return &gotoblas_BULLDOZER;
else{
fprintf(stderr, "OpenBLAS : Your OS does not support AVX instructions. OpenBLAS is using Barcelona kernels as a fallback, which may give poorer performance.\n");
return &gotoblas_BARCELONA; //OS doesn't support AVX. Use old kernels.
}
} else {
return &gotoblas_BARCELONA;
}
}
}
if (vendor == VENDOR_CENTAUR) {
switch (family) {
case 0x6:
return &gotoblas_NANO;
break;
}
}
return NULL;
}
int get_cpuname(void){
int family, exfamily, model, vendor, exmodel;
if (!have_cpuid()) return CPUTYPE_80386;
family = get_cputype(GET_FAMILY);
exfamily = get_cputype(GET_EXFAMILY);
model = get_cputype(GET_MODEL);
exmodel = get_cputype(GET_EXMODEL);
vendor = get_vendor();
if (vendor == VENDOR_INTEL){
switch (family) {
case 0x4:
return CPUTYPE_80486;
case 0x5:
return CPUTYPE_PENTIUM;
case 0x6:
switch (exmodel) {
case 0:
switch (model) {
case 1:
case 3:
case 5:
case 6:
return CPUTYPE_PENTIUM2;
case 7:
case 8:
case 10:
case 11:
return CPUTYPE_PENTIUM3;
case 9:
case 13:
case 14:
return CPUTYPE_PENTIUMM;
case 15:
return CPUTYPE_CORE2;
}
break;
case 1:
switch (model) {
case 6:
return CPUTYPE_CORE2;
case 7:
return CPUTYPE_PENRYN;
case 10:
case 11:
case 14:
case 15:
return CPUTYPE_NEHALEM;
case 12:
return CPUTYPE_ATOM;
case 13:
return CPUTYPE_DUNNINGTON;
}
break;
case 2:
switch (model) {
case 5:
//Intel Core (Clarkdale) / Core (Arrandale)
// Pentium (Clarkdale) / Pentium Mobile (Arrandale)
// Xeon (Clarkdale), 32nm
return CPUTYPE_NEHALEM;
case 10:
//Intel Core i5-2000 /i7-2000 (Sandy Bridge)
if(support_avx())
return CPUTYPE_SANDYBRIDGE;
else
return CPUTYPE_NEHALEM; //OS doesn't support AVX
case 12:
//Xeon Processor 5600 (Westmere-EP)
return CPUTYPE_NEHALEM;
case 13:
//Intel Core i7-3000 / Xeon E5 (Sandy Bridge)
if(support_avx())
return CPUTYPE_SANDYBRIDGE;
else
return CPUTYPE_NEHALEM;
case 15:
//Xeon Processor E7 (Westmere-EX)
return CPUTYPE_NEHALEM;
}
break;
case 3:
switch (model) {
case 10:
if(support_avx())
return CPUTYPE_SANDYBRIDGE;
else
return CPUTYPE_NEHALEM;
}
break;
}
break;
case 0x7:
return CPUTYPE_ITANIUM;
case 0xf:
switch (exfamily) {
case 0 :
return CPUTYPE_PENTIUM4;
case 1 :
return CPUTYPE_ITANIUM;
}
break;
}
return CPUTYPE_INTEL_UNKNOWN;
}
if (vendor == VENDOR_AMD){
switch (family) {
case 0x4:
return CPUTYPE_AMD5X86;
case 0x5:
return CPUTYPE_AMDK6;
case 0x6:
return CPUTYPE_ATHLON;
case 0xf:
switch (exfamily) {
case 0:
case 2:
return CPUTYPE_OPTERON;
case 1:
case 10:
case 6: //AMD Bulldozer Opteron 6200 / Opteron 4200 / AMD FX-Series
return CPUTYPE_BARCELONA;
case 5:
return CPUTYPE_BOBCAT;
}
break;
}
return CPUTYPE_AMD_UNKNOWN;
}
if (vendor == VENDOR_CYRIX){
switch (family) {
case 0x4:
return CPUTYPE_CYRIX5X86;
case 0x5:
return CPUTYPE_CYRIXM1;
case 0x6:
return CPUTYPE_CYRIXM2;
}
return CPUTYPE_CYRIX_UNKNOWN;
}
if (vendor == VENDOR_NEXGEN){
switch (family) {
case 0x5:
return CPUTYPE_NEXGENNX586;
}
return CPUTYPE_NEXGEN_UNKNOWN;
}
if (vendor == VENDOR_CENTAUR){
switch (family) {
case 0x5:
return CPUTYPE_CENTAURC6;
break;
case 0x6:
return CPUTYPE_NANO;
break;
}
return CPUTYPE_VIAC3;
}
if (vendor == VENDOR_RISE){
switch (family) {
case 0x5:
return CPUTYPE_RISEMP6;
}
return CPUTYPE_RISE_UNKNOWN;
}
if (vendor == VENDOR_SIS){
switch (family) {
case 0x5:
return CPUTYPE_SYS55X;
}
return CPUTYPE_SIS_UNKNOWN;
}
if (vendor == VENDOR_TRANSMETA){
switch (family) {
case 0x5:
return CPUTYPE_CRUSOETM3X;
}
return CPUTYPE_TRANSMETA_UNKNOWN;
}
if (vendor == VENDOR_NSC){
switch (family) {
case 0x5:
return CPUTYPE_NSGEODE;
}
return CPUTYPE_NSC_UNKNOWN;
}
return CPUTYPE_UNKNOWN;
}
int get_cputype(int gettype){
int eax, ebx, ecx, edx;
int extend_family, family;
int extend_model, model;
int type, stepping;
int feature = 0;
cpuid(1, &eax, &ebx, &ecx, &edx);
switch (gettype) {
case GET_EXFAMILY :
return BITMASK(eax, 20, 0xff);
case GET_EXMODEL :
return BITMASK(eax, 16, 0x0f);
case GET_TYPE :
return BITMASK(eax, 12, 0x03);
case GET_FAMILY :
return BITMASK(eax, 8, 0x0f);
case GET_MODEL :
return BITMASK(eax, 4, 0x0f);
case GET_APICID :
return BITMASK(ebx, 24, 0x0f);
case GET_LCOUNT :
return BITMASK(ebx, 16, 0x0f);
case GET_CHUNKS :
return BITMASK(ebx, 8, 0x0f);
case GET_STEPPING :
return BITMASK(eax, 0, 0x0f);
case GET_BLANDID :
return BITMASK(ebx, 0, 0xff);
case GET_NUMSHARE :
if (have_cpuid() < 4) return 0;
cpuid(4, &eax, &ebx, &ecx, &edx);
return BITMASK(eax, 14, 0xfff);
case GET_NUMCORES :
if (have_cpuid() < 4) return 0;
cpuid(4, &eax, &ebx, &ecx, &edx);
return BITMASK(eax, 26, 0x3f);
case GET_FEATURE :
if ((edx & (1 << 3)) != 0) feature |= HAVE_PSE;
if ((edx & (1 << 15)) != 0) feature |= HAVE_CMOV;
if ((edx & (1 << 19)) != 0) feature |= HAVE_CFLUSH;
if ((edx & (1 << 23)) != 0) feature |= HAVE_MMX;
if ((edx & (1 << 25)) != 0) feature |= HAVE_SSE;
if ((edx & (1 << 26)) != 0) feature |= HAVE_SSE2;
if ((edx & (1 << 27)) != 0) {
if (BITMASK(ebx, 16, 0x0f) > 0) feature |= HAVE_HIT;
}
if ((ecx & (1 << 0)) != 0) feature |= HAVE_SSE3;
if ((ecx & (1 << 9)) != 0) feature |= HAVE_SSSE3;
if ((ecx & (1 << 19)) != 0) feature |= HAVE_SSE4_1;
if ((ecx & (1 << 20)) != 0) feature |= HAVE_SSE4_2;
#ifndef NO_AVX
if (support_avx()) feature |= HAVE_AVX;
#endif
if (have_excpuid() >= 0x01) {
cpuid(0x80000001, &eax, &ebx, &ecx, &edx);
if ((ecx & (1 << 6)) != 0) feature |= HAVE_SSE4A;
if ((ecx & (1 << 7)) != 0) feature |= HAVE_MISALIGNSSE;
if ((edx & (1 << 30)) != 0) feature |= HAVE_3DNOWEX;
if ((edx & (1 << 31)) != 0) feature |= HAVE_3DNOW;
}
if (have_excpuid() >= 0x1a) {
cpuid(0x8000001a, &eax, &ebx, &ecx, &edx);
if ((eax & (1 << 0)) != 0) feature |= HAVE_128BITFPU;
if ((eax & (1 << 1)) != 0) feature |= HAVE_FASTMOVU;
}
}
return feature;
}
int get_coretype(void){
int family, exfamily, model, exmodel, vendor;
if (!have_cpuid()) return CORE_80486;
family = get_cputype(GET_FAMILY);
exfamily = get_cputype(GET_EXFAMILY);
model = get_cputype(GET_MODEL);
exmodel = get_cputype(GET_EXMODEL);
vendor = get_vendor();
if (vendor == VENDOR_INTEL){
switch (family) {
case 4:
return CORE_80486;
case 5:
return CORE_P5;
case 6:
switch (exmodel) {
case 0:
switch (model) {
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
return CORE_P6;
case 7:
return CORE_KATMAI;
case 8:
case 10:
case 11:
return CORE_COPPERMINE;
case 9:
case 13:
case 14:
return CORE_BANIAS;
case 15:
return CORE_CORE2;
}
break;
case 1:
switch (model) {
case 6:
return CORE_CORE2;
case 7:
return CORE_PENRYN;
case 10:
case 11:
case 14:
case 15:
return CORE_NEHALEM;
case 12:
return CORE_ATOM;
case 13:
return CORE_DUNNINGTON;
}
break;
case 2:
switch (model) {
case 5:
//Intel Core (Clarkdale) / Core (Arrandale)
// Pentium (Clarkdale) / Pentium Mobile (Arrandale)
// Xeon (Clarkdale), 32nm
return CORE_NEHALEM;
case 10:
//Intel Core i5-2000 /i7-2000 (Sandy Bridge)
if(support_avx())
return CORE_SANDYBRIDGE;
else
return CORE_NEHALEM; //OS doesn't support AVX
case 12:
//Xeon Processor 5600 (Westmere-EP)
return CORE_NEHALEM;
case 13:
//Intel Core i7-3000 / Xeon E5 (Sandy Bridge)
if(support_avx())
return CORE_SANDYBRIDGE;
else
return CORE_NEHALEM; //OS doesn't support AVX
case 15:
//Xeon Processor E7 (Westmere-EX)
return CORE_NEHALEM;
}
break;
case 3:
switch (model) {
case 10:
if(support_avx())
return CORE_SANDYBRIDGE;
else
return CORE_NEHALEM; //OS doesn't support AVX
}
break;
}
break;
case 15:
if (model <= 0x2) return CORE_NORTHWOOD;
else return CORE_PRESCOTT;
}
}
if (vendor == VENDOR_AMD){
if (family <= 0x5) return CORE_80486;
if (family <= 0xe) return CORE_ATHLON;
if (family == 0xf){
if ((exfamily == 0) || (exfamily == 2)) return CORE_OPTERON;
else if (exfamily == 5) return CORE_BOBCAT;
else if (exfamily == 6) return CORE_BARCELONA; //AMD Bulldozer Opteron 6200 / Opteron 4200 / AMD FX-Series
else return CORE_BARCELONA;
}
}
if (vendor == VENDOR_CENTAUR) {
switch (family) {
case 0x6:
return CORE_NANO;
break;
}
return CORE_VIAC3;
}
return CORE_UNKNOWN;
}
int get_cpuname(void){
int family, exfamily, model, vendor, exmodel;
if (!have_cpuid()) return CPUTYPE_80386;
family = get_cputype(GET_FAMILY);
exfamily = get_cputype(GET_EXFAMILY);
model = get_cputype(GET_MODEL);
exmodel = get_cputype(GET_EXMODEL);
vendor = get_vendor();
if (vendor == VENDOR_INTEL){
switch (family) {
case 0x4:
return CPUTYPE_80486;
case 0x5:
return CPUTYPE_PENTIUM;
case 0x6:
switch (exmodel) {
case 0:
switch (model) {
case 1:
case 3:
case 5:
case 6:
return CPUTYPE_PENTIUM2;
case 7:
case 8:
case 10:
case 11:
return CPUTYPE_PENTIUM3;
case 9:
case 13:
case 14:
return CPUTYPE_PENTIUMM;
case 15:
return CPUTYPE_CORE2;
}
break;
case 1:
switch (model) {
case 6:
return CPUTYPE_CORE2;
case 7:
return CPUTYPE_PENRYN;
case 10:
case 11:
case 14:
case 15:
return CPUTYPE_NEHALEM;
case 12:
return CPUTYPE_ATOM;
case 13:
return CPUTYPE_DUNNINGTON;
}
break;
case 2:
switch (model) {
case 5:
//Intel Core (Clarkdale) / Core (Arrandale)
// Pentium (Clarkdale) / Pentium Mobile (Arrandale)
// Xeon (Clarkdale), 32nm
return CPUTYPE_NEHALEM;
case 10:
//Intel Core i5-2000 /i7-2000 (Sandy Bridge)
if(support_avx())
return CPUTYPE_SANDYBRIDGE;
else
return CPUTYPE_NEHALEM; //OS doesn't support AVX
case 12:
//Xeon Processor 5600 (Westmere-EP)
return CPUTYPE_NEHALEM;
case 13:
//Intel Core i7-3000 / Xeon E5 (Sandy Bridge)
if(support_avx())
return CPUTYPE_SANDYBRIDGE;
else
return CPUTYPE_NEHALEM;
case 14:
// Xeon E7540
case 15:
//Xeon Processor E7 (Westmere-EX)
return CPUTYPE_NEHALEM;
}
break;
case 3:
switch (model) {
case 10:
case 14:
// Ivy Bridge
if(support_avx())
return CPUTYPE_SANDYBRIDGE;
else
return CPUTYPE_NEHALEM;
case 12:
case 15:
if(support_avx())
#ifndef NO_AVX2
return CPUTYPE_HASWELL;
#else
return CPUTYPE_SANDYBRIDGE;
#endif
else
return CPUTYPE_NEHALEM;
}
break;
case 4:
switch (model) {
case 5:
case 6:
if(support_avx())
#ifndef NO_AVX2
return CPUTYPE_HASWELL;
#else
return CPUTYPE_SANDYBRIDGE;
#endif
else
return CPUTYPE_NEHALEM;
}
break;
}
break;
case 0x7:
return CPUTYPE_ITANIUM;
case 0xf:
switch (exfamily) {
case 0 :
return CPUTYPE_PENTIUM4;
case 1 :
return CPUTYPE_ITANIUM;
}
break;
}
int cpu_detect()
{
int eax, ebx, ecx, edx;
int vendor, family, extend_family, model, extend_model;
if (!have_cpuid()) return CPUNAME_REFERENCE;
vendor=get_vendor();
cpuid(1, &eax, &ebx, &ecx, &edx);
extend_family = BITMASK(eax, 20, 0xff);
extend_model=BITMASK(eax, 16, 0x0f);
family=BITMASK(eax, 8, 0x0f);
model=BITMASK(eax, 4, 0x0f);
if (vendor == VENDOR_INTEL){
switch (family) {
case 0x6:
switch (extend_model) {
case 1:
switch (model) {
case 7:
//penryn uses dunnington config.
return CPUNAME_DUNNINGTON;
case 13:
return CPUNAME_DUNNINGTON;
}
break;
case 2:
switch (model) {
case 10:
case 13:
if(support_avx()) {
return CPUNAME_SANDYBRIDGE;
}else{
return CPUNAME_REFERENCE; //OS doesn't support AVX
}
}
break;
case 3:
switch (model) {
case 10:
case 14:
//Ivy Bridge
if(support_avx()) {
return CPUNAME_SANDYBRIDGE;
}else{
return CPUNAME_REFERENCE; //OS doesn't support AVX
}
case 12:
case 15:
//Haswell. Temp use Sandy Brdige
if(support_avx()) {
return CPUNAME_SANDYBRIDGE;
}else{
return CPUNAME_REFERENCE; //OS doesn't support AVX
}
}
break;
case 4:
switch (model) {
case 5:
case 6:
//Haswell. Temp use Sandy Brdige
if(support_avx()) {
return CPUNAME_SANDYBRIDGE;
}else{
return CPUNAME_REFERENCE; //OS doesn't support AVX
}
}
break;
}
break;
}
}else if (vendor == VENDOR_AMD){
switch (family) {
case 0xf:
switch (extend_family) {
case 6:
switch (model) {
case 1:
if(support_avx())
return CPUNAME_BULLDOZER;
else
return CPUNAME_REFERENCE; //OS don't support AVX.
case 2:
if(support_avx())
return CPUNAME_PILEDRIVER;
else
return CPUNAME_REFERENCE; //OS don't support AVX.
case 0:
//Steamroller. Temp use Piledriver.
if(support_avx())
return CPUNAME_PILEDRIVER;
else
return CPUNAME_REFERENCE; //OS don't support AVX.
}
}
break;
}
}
return CPUNAME_REFERENCE;
}
