+++ /dev/null
-/*********************************************************************/
-/* Copyright 2009, 2010 The University of Texas at Austin. */
-/* All rights reserved. */
-/* */
-/* Redistribution and use in source and binary forms, with or */
-/* without modification, are permitted provided that the following */
-/* conditions are met: */
-/* */
-/* 1. Redistributions of source code must retain the above */
-/* copyright notice, this list of conditions and the following */
-/* disclaimer. */
-/* */
-/* 2. Redistributions in binary form must reproduce the above */
-/* copyright notice, this list of conditions and the following */
-/* disclaimer in the documentation and/or other materials */
-/* provided with the distribution. */
-/* */
-/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
-/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
-/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
-/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
-/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
-/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
-/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
-/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
-/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
-/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
-/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
-/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
-/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
-/* POSSIBILITY OF SUCH DAMAGE. */
-/* */
-/* The views and conclusions contained in the software and */
-/* documentation are those of the authors and should not be */
-/* interpreted as representing official policies, either expressed */
-/* or implied, of The University of Texas at Austin. */
-/*********************************************************************/
-
-#include "common.h"
-
-#ifdef _MSC_VER
-#define strncasecmp _strnicmp
-#define strcasecmp _stricmp
-#endif
-
-#ifdef ARCH_X86
-#define EXTERN extern
-#else
-#define EXTERN
-#endif
-
-#ifdef DYNAMIC_LIST
-extern gotoblas_t gotoblas_PRESCOTT;
-
-#ifdef DYN_ATHLON
-extern gotoblas_t gotoblas_ATHLON;
-#else
-#define gotoblas_ATHLON gotoblas_PRESCOTT
-#endif
-#ifdef DYN_KATMAI
-extern gotoblas_t gotoblas_KATMAI;
-#else
-#define gotoblas_KATMAI gotoblas_PRESCOTT
-#endif
-#ifdef DYN_BANIAS
-extern gotoblas_t gotoblas_BANIAS;
-#else
-#define gotoblas_BANIAS gotoblas_PRESCOTT
-#endif
-#ifdef DYN_COPPERMINE
-extern gotoblas_t gotoblas_COPPERMINE;
-#else
-#define gotoblas_COPPERMINE gotoblas_PRESCOTT
-#endif
-#ifdef DYN_NORTHWOOD
-extern gotoblas_t gotoblas_NORTHWOOD;
-#else
-#define gotoblas_NORTHWOOD gotoblas_PRESCOTT
-#endif
-#ifdef DYN_CORE2
-extern gotoblas_t gotoblas_CORE2;
-#else
-#define gotoblas_CORE2 gotoblas_PRESCOTT
-#endif
-#ifdef DYN_NEHALEM
-extern gotoblas_t gotoblas_NEHALEM;
-#else
-#define gotoblas_NEHALEM gotoblas_PRESCOTT
-#endif
-#ifdef DYN_BARCELONA
-extern gotoblas_t gotoblas_BARCELONA;
-#elif defined(DYN_NEHALEM)
-#define gotoblas_BARCELONA gotoblas_NEHALEM
-#else
-#define gotoblas_BARCELONA gotoblas_PRESCOTT
-#endif
-#ifdef DYN_ATOM
-extern gotoblas_t gotoblas_ATOM;
-elif defined(DYN_NEHALEM)
-#define gotoblas_ATOM gotoblas_NEHALEM
-#else
-#define gotoblas_ATOM gotoblas_PRESCOTT
-#endif
-#ifdef DYN_NANO
-extern gotoblas_t gotoblas_NANO;
-#else
-#define gotoblas_NANO gotoblas_PRESCOTT
-#endif
-#ifdef DYN_PENRYN
-extern gotoblas_t gotoblas_PENRYN;
-#else
-#define gotoblas_PENRYN gotoblas_PRESCOTT
-#endif
-#ifdef DYN_DUNNINGTON
-extern gotoblas_t gotoblas_DUNNINGTON;
-#else
-#define gotoblas_DUNNINGTON gotoblas_PRESCOTT
-#endif
-#ifdef DYN_OPTERON
-extern gotoblas_t gotoblas_OPTERON;
-#else
-#define gotoblas_OPTERON gotoblas_PRESCOTT
-#endif
-#ifdef DYN_OPTERON_SSE3
-extern gotoblas_t gotoblas_OPTERON_SSE3;
-#else
-#define gotoblas_OPTERON_SSE3 gotoblas_PRESCOTT
-#endif
-#ifdef DYN_BOBCAT
-extern gotoblas_t gotoblas_BOBCAT;
-#elif defined(DYN_NEHALEM)
-#define gotoblas_BOBCAT gotoblas_NEHALEM
-#else
-#define gotoblas_BOBCAT gotoblas_PRESCOTT
-#endif
-#ifdef DYN_SANDYBRIDGE
-extern gotoblas_t gotoblas_SANDYBRIDGE;
-#elif defined(DYN_NEHALEM)
-#define gotoblas_SANDYBRIDGE gotoblas_NEHALEM
-#else
-#define gotoblas_SANDYBRIDGE gotoblas_PRESCOTT
-#endif
-#ifdef DYN_BULLDOZER
-extern gotoblas_t gotoblas_BULLDOZER;
-#elif defined(DYN_SANDYBRIDGE)
-#define gotoblas_BULLDOZER gotoblas_SANDYBRIDGE
-#elif defined(DYN_NEHALEM)
-#define gotoblas_BULLDOZER gotoblas_NEHALEM
-#else
-#define gotoblas_BULLDOZER gotoblas_PRESCOTT
-#endif
-#ifdef DYN_PILEDRIVER
-extern gotoblas_t gotoblas_PILEDRIVER;
-#elif defined(DYN_SANDYBRIDGE)
-#define gotoblas_PILEDRIVER gotoblas_SANDYBRIDGE
-#elif defined(DYN_NEHALEM)
-#define gotoblas_PILEDRIVER gotoblas_NEHALEM
-#else
-#define gotoblas_PILEDRIVER gotoblas_PRESCOTT
-#endif
-#ifdef DYN_STEAMROLLER
-extern gotoblas_t gotoblas_STEAMROLLER;
-#elif defined(DYN_SANDYBRIDGE)
-#define gotoblas_STEAMROLLER gotoblas_SANDYBRIDGE
-#elif defined(DYN_NEHALEM)
-#define gotoblas_STEAMROLLER gotoblas_NEHALEM
-#else
-#define gotoblas_STEAMROLLER gotoblas_PRESCOTT
-#endif
-#ifdef DYN_EXCAVATOR
-extern gotoblas_t gotoblas_EXCAVATOR;
-#elif defined(DYN_SANDYBRIDGE)
-#define gotoblas_EXCAVATOR gotoblas_SANDYBRIDGE
-#elif defined(DYN_NEHALEM)
-#define gotoblas_EXCAVATOR gotoblas_NEHALEM
-#else
-#define gotoblas_EXCAVATOR gotoblas_PRESCOTT
-#endif
-#ifdef DYN_HASWELL
-extern gotoblas_t gotoblas_HASWELL;
-#elif defined(DYN_SANDYBRIDGE)
-#define gotoblas_HASWELL gotoblas_SANDYBRIDGE
-#elif defined(DYN_NEHALEM)
-#define gotoblas_HASWELL gotoblas_NEHALEM
-#else
-#define gotoblas_HASWELL gotoblas_PRESCOTT
-#endif
-#ifdef DYN_ZEN
-extern gotoblas_t gotoblas_ZEN;
-#elif defined(DYN_HASWELL)
-#define gotoblas_ZEN gotoblas_HASWELL
-#elif defined(DYN_SANDYBRIDGE)
-#define gotoblas_ZEN gotoblas_SANDYBRIDGE
-#elif defined(DYN_NEHALEM)
-#define gotoblas_ZEN gotoblas_NEHALEM
-#else
-#define gotoblas_ZEN gotoblas_PRESCOTT
-#endif
-#ifdef DYN_SKYLAKEX
-extern gotoblas_t gotoblas_SKYLAKEX;
-#elif defined(DYN_HASWELL)
-#define gotoblas_SKYLAKEX gotoblas_HASWELL
-#elif defined(DYN_SANDYBRIDGE)
-#define gotoblas_SKYLAKEX gotoblas_SANDYBRIDGE
-#elif defined(DYN_NEHALEM)
-#define gotoblas_SKYLAKEX gotoblas_NEHALEM
-#else
-#define gotoblas_SKYLAKEX gotoblas_PRESCOTT
-#endif
-
-
-#else // not DYNAMIC_LIST
-EXTERN gotoblas_t gotoblas_KATMAI;
-EXTERN gotoblas_t gotoblas_COPPERMINE;
-EXTERN gotoblas_t gotoblas_NORTHWOOD;
-EXTERN gotoblas_t gotoblas_BANIAS;
-EXTERN gotoblas_t gotoblas_ATHLON;
-
-extern gotoblas_t gotoblas_PRESCOTT;
-extern gotoblas_t gotoblas_CORE2;
-extern gotoblas_t gotoblas_NEHALEM;
-extern gotoblas_t gotoblas_BARCELONA;
-#ifdef DYNAMIC_OLDER
-extern gotoblas_t gotoblas_ATOM;
-extern gotoblas_t gotoblas_NANO;
-extern gotoblas_t gotoblas_PENRYN;
-extern gotoblas_t gotoblas_DUNNINGTON;
-extern gotoblas_t gotoblas_OPTERON;
-extern gotoblas_t gotoblas_OPTERON_SSE3;
-extern gotoblas_t gotoblas_BOBCAT;
-#else
-#define gotoblas_ATOM gotoblas_NEHALEM
-#define gotoblas_NANO gotoblas_NEHALEM
-#define gotoblas_PENRYN gotoblas_CORE2
-#define gotoblas_DUNNINGTON gotoblas_CORE2
-#define gotoblas_OPTERON gotoblas_CORE2
-#define gotoblas_OPTERON_SSE3 gotoblas_CORE2
-#define gotoblas_BOBCAT gotoblas_CORE2
-#endif
-
-#ifndef NO_AVX
-extern gotoblas_t gotoblas_SANDYBRIDGE;
-extern gotoblas_t gotoblas_BULLDOZER;
-extern gotoblas_t gotoblas_PILEDRIVER;
-extern gotoblas_t gotoblas_STEAMROLLER;
-extern gotoblas_t gotoblas_EXCAVATOR;
-#ifdef NO_AVX2
-#define gotoblas_HASWELL gotoblas_SANDYBRIDGE
-#define gotoblas_SKYLAKEX gotoblas_SANDYBRIDGE
-#define gotoblas_ZEN gotoblas_SANDYBRIDGE
-#else
-extern gotoblas_t gotoblas_HASWELL;
-extern gotoblas_t gotoblas_ZEN;
-#ifndef NO_AVX512
-extern gotoblas_t gotoblas_SKYLAKEX;
-#else
-#define gotoblas_SKYLAKEX gotoblas_HASWELL
-#endif
-#endif
-#else
-//Use NEHALEM kernels for sandy bridge
-#define gotoblas_SANDYBRIDGE gotoblas_NEHALEM
-#define gotoblas_HASWELL gotoblas_NEHALEM
-#define gotoblas_SKYLAKEX gotoblas_NEHALEM
-#define gotoblas_BULLDOZER gotoblas_BARCELONA
-#define gotoblas_PILEDRIVER gotoblas_BARCELONA
-#define gotoblas_STEAMROLLER gotoblas_BARCELONA
-#define gotoblas_EXCAVATOR gotoblas_BARCELONA
-#define gotoblas_ZEN gotoblas_BARCELONA
-#endif
-
-#endif // DYNAMIC_LIST
-
-#define VENDOR_INTEL 1
-#define VENDOR_AMD 2
-#define VENDOR_CENTAUR 3
-#define VENDOR_HYGON 4
-#define VENDOR_UNKNOWN 99
-
-#define BITMASK(a, b, c) ((((a) >> (b)) & (c)))
-
-#ifndef NO_AVX
-static inline void xgetbv(int op, int * eax, int * edx){
- //Use binary code for xgetbv
- __asm__ __volatile__
- (".byte 0x0f, 0x01, 0xd0": "=a" (*eax), "=d" (*edx) : "c" (op) : "cc");
-}
-#endif
-
-int support_avx(){
-#ifndef NO_AVX
- int eax, ebx, ecx, edx;
- int ret=0;
-
- cpuid(1, &eax, &ebx, &ecx, &edx);
- if ((ecx & (1 << 28)) != 0 && (ecx & (1 << 27)) != 0 && (ecx & (1 << 26)) != 0){
- xgetbv(0, &eax, &edx);
- if((eax & 6) == 6){
- ret=1; //OS support AVX
- }
- }
- return ret;
-#else
- return 0;
-#endif
-}
-
-int support_avx2(){
-#ifndef NO_AVX2
- int eax, ebx, ecx=0, edx;
- int ret=0;
-
- if (!support_avx())
- return 0;
- cpuid(7, &eax, &ebx, &ecx, &edx);
- if((ebx & (1<<7)) != 0)
- ret=1; //OS supports AVX2
- return ret;
-#else
- return 0;
-#endif
-}
-
-int support_avx512(){
-#if !defined(NO_AVX) && !defined(NO_AVX512)
- int eax, ebx, ecx, edx;
- int ret=0;
-
- if (!support_avx())
- return 0;
- cpuid(7, &eax, &ebx, &ecx, &edx);
- if((ebx & (1<<7)) != 1){
- ret=0; //OS does not even support AVX2
- }
- if((ebx & (1<<31)) != 0){
- xgetbv(0, &eax, &edx);
- if((eax & 0xe0) == 0xe0)
- ret=1; //OS supports AVX512VL
- }
- return ret;
-#else
- return 0;
-#endif
-}
-
-extern void openblas_warning(int verbose, const char * msg);
-#define FALLBACK_VERBOSE 1
-#define NEHALEM_FALLBACK "OpenBLAS : Your OS does not support AVX instructions. OpenBLAS is using Nehalem kernels as a fallback, which may give poorer performance.\n"
-#define SANDYBRIDGE_FALLBACK "OpenBLAS : Your OS does not support AVX2 instructions. OpenBLAS is using Sandybridge kernels as a fallback, which may give poorer performance.\n"
-#define HASWELL_FALLBACK "OpenBLAS : Your OS does not support AVX512VL instructions. OpenBLAS is using Haswell kernels as a fallback, which may give poorer performance.\n"
-#define BARCELONA_FALLBACK "OpenBLAS : Your OS does not support AVX instructions. OpenBLAS is using Barcelona kernels as a fallback, which may give poorer performance.\n"
-
-static int get_vendor(void){
- int eax, ebx, ecx, edx;
-
- union
- {
- char vchar[16];
- int vint[4];
- } vendor;
-
- cpuid(0, &eax, &ebx, &ecx, &edx);
-
- *(&vendor.vint[0]) = ebx;
- *(&vendor.vint[1]) = edx;
- *(&vendor.vint[2]) = ecx;
-
- vendor.vchar[12] = '\0';
-
- if (!strcmp(vendor.vchar, "GenuineIntel")) return VENDOR_INTEL;
- if (!strcmp(vendor.vchar, "AuthenticAMD")) return VENDOR_AMD;
- if (!strcmp(vendor.vchar, "CentaurHauls")) return VENDOR_CENTAUR;
- if (!strcmp(vendor.vchar, "HygonGenuine")) return VENDOR_HYGON;
-
- if ((eax == 0) || ((eax & 0x500) != 0)) return VENDOR_INTEL;
-
- return VENDOR_UNKNOWN;
-}
-
-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_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; //OS doesn't support AVX. Use old kernels.
- }
- }
- //Intel Broadwell
- if (model == 13) {
- 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; //OS doesn't support AVX. Use old kernels.
- }
- }
- if (model == 7) return &gotoblas_ATOM; //Bay Trail
- return NULL;
- case 4:
- //Intel Haswell
- if (model == 5 || model == 6) {
- 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; //OS doesn't support AVX. Use old kernels.
- }
- }
- //Intel Broadwell
- if (model == 7 || model == 15) {
- 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; //OS doesn't support AVX. Use old kernels.
- }
- }
- //Intel Skylake
- if (model == 14) {
- 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; //OS doesn't support AVX. Use old kernels.
- }
- }
- //Intel Braswell / Avoton
- if (model == 12 || model == 13) {
- return &gotoblas_NEHALEM;
- }
- return NULL;
- case 5:
- //Intel Broadwell
- if (model == 6) {
- 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; //OS doesn't support AVX. Use old kernels.
- }
- }
- if (model == 5) {
- // Intel Skylake X
- if (support_avx512())
- return &gotoblas_SKYLAKEX;
- if(support_avx2()){
- openblas_warning(FALLBACK_VERBOSE, HASWELL_FALLBACK);
- 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;
- }
- }
- //Intel Skylake
- if (model == 14) {
- 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; //OS doesn't support AVX. Use old kernels.
- }
- }
- //Intel Phi Knights Landing
- if (model == 7) {
- if(support_avx2()){
- openblas_warning(FALLBACK_VERBOSE, HASWELL_FALLBACK);
- 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; //OS doesn't support AVX. Use old kernels.
- }
- }
- //Apollo Lake or Denverton
- if (model == 12 || model == 15) {
- return &gotoblas_NEHALEM;
- }
- return NULL;
- case 6:
- if (model == 6) {
- // Cannon Lake
- 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;
- case 7:
- if (model == 10) // Goldmont plus
- return &gotoblas_NEHALEM;
- if (model == 14) {
- // Ice Lake
- if (support_avx512())
- return &gotoblas_SKYLAKEX;
- if(support_avx2()){
- openblas_warning(FALLBACK_VERBOSE, HASWELL_FALLBACK);
- 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;
- case 9:
- case 8:
- if (model == 14 ) { // Kaby Lake, Coffee Lake
- 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; //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 || vendor == VENDOR_HYGON){
- 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 == 5){
- 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 if(model == 0 || model == 8){
- 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 if (exfamily == 8) {
- if (model == 1 || model == 8) {
- if(support_avx())
- return &gotoblas_ZEN;
- else{
- openblas_warning(FALLBACK_VERBOSE, BARCELONA_FALLBACK);
- return &gotoblas_BARCELONA; //OS doesn't support AVX. Use old kernels.
- }
- }
- } else if (exfamily == 9) {
- if(support_avx())
- return &gotoblas_ZEN;
- 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;
- }
- }
-
- return NULL;
-}
-
-static char *corename[] = {
- "Unknown",
- "Katmai",
- "Coppermine",
- "Northwood",
- "Prescott",
- "Banias",
- "Atom",
- "Core2",
- "Penryn",
- "Dunnington",
- "Nehalem",
- "Athlon",
- "Opteron",
- "Opteron_SSE3",
- "Barcelona",
- "Nano",
- "Sandybridge",
- "Bobcat",
- "Bulldozer",
- "Piledriver",
- "Haswell",
- "Steamroller",
- "Excavator",
- "Zen",
- "SkylakeX"
-};
-
-char *gotoblas_corename(void) {
-
- if (gotoblas == &gotoblas_KATMAI) return corename[ 1];
- if (gotoblas == &gotoblas_COPPERMINE) return corename[ 2];
- if (gotoblas == &gotoblas_NORTHWOOD) return corename[ 3];
- if (gotoblas == &gotoblas_PRESCOTT) return corename[ 4];
- if (gotoblas == &gotoblas_BANIAS) return corename[ 5];
- if (gotoblas == &gotoblas_ATOM) return corename[ 6];
- if (gotoblas == &gotoblas_CORE2) return corename[ 7];
- if (gotoblas == &gotoblas_PENRYN) return corename[ 8];
- if (gotoblas == &gotoblas_DUNNINGTON) return corename[ 9];
- if (gotoblas == &gotoblas_NEHALEM) return corename[10];
- if (gotoblas == &gotoblas_ATHLON) return corename[11];
- if (gotoblas == &gotoblas_OPTERON_SSE3) return corename[12];
- if (gotoblas == &gotoblas_OPTERON) return corename[13];
- if (gotoblas == &gotoblas_BARCELONA) return corename[14];
- if (gotoblas == &gotoblas_NANO) return corename[15];
- if (gotoblas == &gotoblas_SANDYBRIDGE) return corename[16];
- if (gotoblas == &gotoblas_BOBCAT) return corename[17];
- if (gotoblas == &gotoblas_BULLDOZER) return corename[18];
- if (gotoblas == &gotoblas_PILEDRIVER) return corename[19];
- if (gotoblas == &gotoblas_HASWELL) return corename[20];
- if (gotoblas == &gotoblas_STEAMROLLER) return corename[21];
- if (gotoblas == &gotoblas_EXCAVATOR) return corename[22];
- if (gotoblas == &gotoblas_ZEN) return corename[23];
- if (gotoblas == &gotoblas_SKYLAKEX) return corename[24];
- return corename[0];
-}
-
-
-static gotoblas_t *force_coretype(char *coretype){
-
- int i ;
- int found = -1;
- char message[128];
- //char mname[20];
-
- for ( i=1 ; i <= 24; i++)
- {
- if (!strncasecmp(coretype,corename[i],20))
- {
- found = i;
- break;
- }
- }
- if (found < 0)
- {
- //strncpy(mname,coretype,20);
- snprintf(message, 128, "Core not found: %s\n",coretype);
- openblas_warning(1, message);
- return(NULL);
- }
-
- switch (found)
- {
- case 24: return (&gotoblas_SKYLAKEX);
- case 23: return (&gotoblas_ZEN);
- case 22: return (&gotoblas_EXCAVATOR);
- case 21: return (&gotoblas_STEAMROLLER);
- case 20: return (&gotoblas_HASWELL);
- case 19: return (&gotoblas_PILEDRIVER);
- case 18: return (&gotoblas_BULLDOZER);
- case 17: return (&gotoblas_BOBCAT);
- case 16: return (&gotoblas_SANDYBRIDGE);
- case 15: return (&gotoblas_NANO);
- case 14: return (&gotoblas_BARCELONA);
- case 13: return (&gotoblas_OPTERON);
- case 12: return (&gotoblas_OPTERON_SSE3);
- case 11: return (&gotoblas_ATHLON);
- case 10: return (&gotoblas_NEHALEM);
- case 9: return (&gotoblas_DUNNINGTON);
- case 8: return (&gotoblas_PENRYN);
- case 7: return (&gotoblas_CORE2);
- case 6: return (&gotoblas_ATOM);
- case 5: return (&gotoblas_BANIAS);
- case 4: return (&gotoblas_PRESCOTT);
- case 3: return (&gotoblas_NORTHWOOD);
- case 2: return (&gotoblas_COPPERMINE);
- case 1: return (&gotoblas_KATMAI);
- }
- return(NULL);
-
-}
-
-
-
-
-void gotoblas_dynamic_init(void) {
-
- char coremsg[128];
- char coren[22];
- char *p;
-
-
- if (gotoblas) return;
-
- p = getenv("OPENBLAS_CORETYPE");
- if ( p )
- {
- gotoblas = force_coretype(p);
- }
- else
- {
- gotoblas = get_coretype();
- }
-
-#ifdef ARCH_X86
- if (gotoblas == NULL) gotoblas = &gotoblas_KATMAI;
-#else
- if (gotoblas == NULL) gotoblas = &gotoblas_PRESCOTT;
- /* sanity check, if 64bit pointer we can't have a 32 bit cpu */
- if (sizeof(void*) == 8) {
- if (gotoblas == &gotoblas_KATMAI ||
- gotoblas == &gotoblas_COPPERMINE ||
- gotoblas == &gotoblas_NORTHWOOD ||
- gotoblas == &gotoblas_BANIAS ||
- gotoblas == &gotoblas_ATHLON)
- gotoblas = &gotoblas_PRESCOTT;
- }
-#endif
-
- if (gotoblas && gotoblas -> init) {
- strncpy(coren,gotoblas_corename(),20);
- sprintf(coremsg, "Core: %s\n",coren);
- openblas_warning(2, coremsg);
- gotoblas -> init();
- } else {
- openblas_warning(0, "OpenBLAS : Architecture Initialization failed. No initialization function found.\n");
- exit(1);
- }
-
-}
-
-void gotoblas_dynamic_quit(void) {
-
- gotoblas = NULL;
-
-}
projects / platform / upstream / openblas.git / commitdiff