Martin Kroeker
GitHub
parent
abea977ded
commit
6d8595351c
29
cpuid_x86.c
29
cpuid_x86.c
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@ -1211,7 +1211,7 @@ int get_cpuname(void){
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return CPUTYPE_CORE2;
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}
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break;
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case 1:
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case 1: // family 6 exmodel 1
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switch (model) {
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case 6:
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return CPUTYPE_CORE2;
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@ -1228,7 +1228,7 @@ int get_cpuname(void){
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return CPUTYPE_DUNNINGTON;
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}
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break;
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case 2:
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case 2: // family 6 exmodel 2
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switch (model) {
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case 5:
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//Intel Core (Clarkdale) / Core (Arrandale)
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@ -1257,7 +1257,7 @@ int get_cpuname(void){
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return CPUTYPE_NEHALEM;
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}
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break;
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case 3:
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case 3: // family 6 exmodel 3
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switch (model) {
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case 7:
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// Bay Trail
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@ -1287,7 +1287,7 @@ int get_cpuname(void){
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return CPUTYPE_NEHALEM;
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}
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break;
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case 4:
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case 4: // family 6 exmodel 4
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switch (model) {
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case 5:
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case 6:
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@ -1321,7 +1321,7 @@ int get_cpuname(void){
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return CPUTYPE_NEHALEM;
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}
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break;
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case 5:
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case 5: // family 6 exmodel 5
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switch (model) {
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case 6:
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//Broadwell
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@ -1364,7 +1364,7 @@ int get_cpuname(void){
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return CPUTYPE_NEHALEM;
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}
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break;
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case 6:
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case 6: // family 6 exmodel 6
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switch (model) {
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case 6: // Cannon Lake
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if(support_avx512())
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@ -1376,7 +1376,22 @@ int get_cpuname(void){
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else
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return CPUTYPE_NEHALEM;
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}
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break;
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break;
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case 7: // family 6 exmodel 7
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switch (model) {
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case 10: // Goldmont Plus
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return CPUTYPE_NEHALEM;
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case 14: // Ice Lake
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if(support_avx512())
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return CPUTYPE_SKYLAKEX;
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if(support_avx2())
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return CPUTYPE_HASWELL;
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if(support_avx())
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return CPUTYPE_SANDYBRIDGE;
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else
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return CPUTYPE_NEHALEM;
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}
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break;
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case 9:
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case 8:
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switch (model) {
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@ -0,0 +1,897 @@
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/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#include "common.h"
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#ifdef _MSC_VER
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#define strncasecmp _strnicmp
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#define strcasecmp _stricmp
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#endif
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#ifdef ARCH_X86
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#define EXTERN extern
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#else
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#define EXTERN
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#endif
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#ifdef DYNAMIC_LIST
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extern gotoblas_t gotoblas_PRESCOTT;
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#ifdef DYN_ATHLON
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extern gotoblas_t gotoblas_ATHLON;
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#else
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#define gotoblas_ATHLON gotoblas_PRESCOTT
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#endif
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#ifdef DYN_KATMAI
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extern gotoblas_t gotoblas_KATMAI;
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#else
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#define gotoblas_KATMAI gotoblas_PRESCOTT
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#endif
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#ifdef DYN_BANIAS
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extern gotoblas_t gotoblas_BANIAS;
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#else
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#define gotoblas_BANIAS gotoblas_PRESCOTT
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#endif
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#ifdef DYN_COPPERMINE
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extern gotoblas_t gotoblas_COPPERMINE;
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#else
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#define gotoblas_COPPERMINE gotoblas_PRESCOTT
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#endif
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#ifdef DYN_NORTHWOOD
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extern gotoblas_t gotoblas_NORTHWOOD;
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#else
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#define gotoblas_NORTHWOOD gotoblas_PRESCOTT
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#endif
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#ifdef DYN_CORE2
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extern gotoblas_t gotoblas_CORE2;
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#else
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#define gotoblas_CORE2 gotoblas_PRESCOTT
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#endif
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#ifdef DYN_NEHALEM
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extern gotoblas_t gotoblas_NEHALEM;
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#else
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#define gotoblas_NEHALEM gotoblas_PRESCOTT
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#endif
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#ifdef DYN_BARCELONA
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extern gotoblas_t gotoblas_BARCELONA;
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#elif defined(DYN_NEHALEM)
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#define gotoblas_BARCELONA gotoblas_NEHALEM
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#else
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#define gotoblas_BARCELONA gotoblas_PRESCOTT
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#endif
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#ifdef DYN_ATOM
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extern gotoblas_t gotoblas_ATOM;
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elif defined(DYN_NEHALEM)
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#define gotoblas_ATOM gotoblas_NEHALEM
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#else
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#define gotoblas_ATOM gotoblas_PRESCOTT
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#endif
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#ifdef DYN_NANO
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extern gotoblas_t gotoblas_NANO;
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#else
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#define gotoblas_NANO gotoblas_PRESCOTT
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#endif
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#ifdef DYN_PENRYN
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extern gotoblas_t gotoblas_PENRYN;
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#else
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#define gotoblas_PENRYN gotoblas_PRESCOTT
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#endif
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#ifdef DYN_DUNNINGTON
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extern gotoblas_t gotoblas_DUNNINGTON;
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#else
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#define gotoblas_DUNNINGTON gotoblas_PRESCOTT
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#endif
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#ifdef DYN_OPTERON
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extern gotoblas_t gotoblas_OPTERON;
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#else
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#define gotoblas_OPTERON gotoblas_PRESCOTT
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#endif
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#ifdef DYN_OPTERON_SSE3
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extern gotoblas_t gotoblas_OPTERON_SSE3;
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#else
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#define gotoblas_OPTERON_SSE3 gotoblas_PRESCOTT
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#endif
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#ifdef DYN_BOBCAT
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extern gotoblas_t gotoblas_BOBCAT;
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#elif defined(DYN_NEHALEM)
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#define gotoblas_BOBCAT gotoblas_NEHALEM
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#else
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#define gotoblas_BOBCAT gotoblas_PRESCOTT
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#endif
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#ifdef DYN_SANDYBRIDGE
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extern gotoblas_t gotoblas_SANDYBRIDGE;
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#elif defined(DYN_NEHALEM)
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#define gotoblas_SANDYBRIDGE gotoblas_NEHALEM
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#else
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#define gotoblas_SANDYBRIDGE gotoblas_PRESCOTT
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#endif
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#ifdef DYN_BULLDOZER
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extern gotoblas_t gotoblas_BULLDOZER;
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#elif defined(DYN_SANDYBRIDGE)
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#define gotoblas_BULLDOZER gotoblas_SANDYBRIDGE
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#elif defined(DYN_NEHALEM)
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#define gotoblas_BULLDOZER gotoblas_NEHALEM
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#else
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#define gotoblas_BULLDOZER gotoblas_PRESCOTT
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#endif
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#ifdef DYN_PILEDRIVER
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extern gotoblas_t gotoblas_PILEDRIVER;
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#elif defined(DYN_SANDYBRIDGE)
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#define gotoblas_PILEDRIVER gotoblas_SANDYBRIDGE
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#elif defined(DYN_NEHALEM)
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#define gotoblas_PILEDRIVER gotoblas_NEHALEM
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#else
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#define gotoblas_PILEDRIVER gotoblas_PRESCOTT
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#endif
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#ifdef DYN_STEAMROLLER
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extern gotoblas_t gotoblas_STEAMROLLER;
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#elif defined(DYN_SANDYBRIDGE)
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#define gotoblas_STEAMROLLER gotoblas_SANDYBRIDGE
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#elif defined(DYN_NEHALEM)
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#define gotoblas_STEAMROLLER gotoblas_NEHALEM
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#else
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#define gotoblas_STEAMROLLER gotoblas_PRESCOTT
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#endif
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#ifdef DYN_EXCAVATOR
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extern gotoblas_t gotoblas_EXCAVATOR;
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#elif defined(DYN_SANDYBRIDGE)
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#define gotoblas_EXCAVATOR gotoblas_SANDYBRIDGE
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#elif defined(DYN_NEHALEM)
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#define gotoblas_EXCAVATOR gotoblas_NEHALEM
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#else
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#define gotoblas_EXCAVATOR gotoblas_PRESCOTT
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#endif
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#ifdef DYN_HASWELL
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extern gotoblas_t gotoblas_HASWELL;
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#elif defined(DYN_SANDYBRIDGE)
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#define gotoblas_HASWELL gotoblas_SANDYBRIDGE
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#elif defined(DYN_NEHALEM)
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#define gotoblas_HASWELL gotoblas_NEHALEM
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#else
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#define gotoblas_HASWELL gotoblas_PRESCOTT
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#endif
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#ifdef DYN_ZEN
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extern gotoblas_t gotoblas_ZEN;
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#elif defined(DYN_HASWELL)
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#define gotoblas_ZEN gotoblas_HASWELL
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#elif defined(DYN_SANDYBRIDGE)
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#define gotoblas_ZEN gotoblas_SANDYBRIDGE
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#elif defined(DYN_NEHALEM)
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#define gotoblas_ZEN gotoblas_NEHALEM
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#else
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#define gotoblas_ZEN gotoblas_PRESCOTT
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#endif
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#ifdef DYN_SKYLAKEX
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extern gotoblas_t gotoblas_SKYLAKEX;
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#elif defined(DYN_HASWELL)
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#define gotoblas_SKYLAKEX gotoblas_HASWELL
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#elif defined(DYN_SANDYBRIDGE)
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#define gotoblas_SKYLAKEX gotoblas_SANDYBRIDGE
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#elif defined(DYN_NEHALEM)
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#define gotoblas_SKYLAKEX gotoblas_NEHALEM
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#else
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#define gotoblas_SKYLAKEX gotoblas_PRESCOTT
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#endif
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#else // not DYNAMIC_LIST
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EXTERN gotoblas_t gotoblas_KATMAI;
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EXTERN gotoblas_t gotoblas_COPPERMINE;
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EXTERN gotoblas_t gotoblas_NORTHWOOD;
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EXTERN gotoblas_t gotoblas_BANIAS;
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EXTERN gotoblas_t gotoblas_ATHLON;
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extern gotoblas_t gotoblas_PRESCOTT;
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extern gotoblas_t gotoblas_CORE2;
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extern gotoblas_t gotoblas_NEHALEM;
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extern gotoblas_t gotoblas_BARCELONA;
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#ifdef DYNAMIC_OLDER
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extern gotoblas_t gotoblas_ATOM;
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extern gotoblas_t gotoblas_NANO;
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extern gotoblas_t gotoblas_PENRYN;
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extern gotoblas_t gotoblas_DUNNINGTON;
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extern gotoblas_t gotoblas_OPTERON;
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extern gotoblas_t gotoblas_OPTERON_SSE3;
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extern gotoblas_t gotoblas_BOBCAT;
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#else
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#define gotoblas_ATOM gotoblas_NEHALEM
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#define gotoblas_NANO gotoblas_NEHALEM
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#define gotoblas_PENRYN gotoblas_CORE2
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#define gotoblas_DUNNINGTON gotoblas_CORE2
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#define gotoblas_OPTERON gotoblas_CORE2
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#define gotoblas_OPTERON_SSE3 gotoblas_CORE2
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#define gotoblas_BOBCAT gotoblas_CORE2
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#endif
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#ifndef NO_AVX
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extern gotoblas_t gotoblas_SANDYBRIDGE;
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extern gotoblas_t gotoblas_BULLDOZER;
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extern gotoblas_t gotoblas_PILEDRIVER;
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extern gotoblas_t gotoblas_STEAMROLLER;
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extern gotoblas_t gotoblas_EXCAVATOR;
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#ifdef NO_AVX2
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#define gotoblas_HASWELL gotoblas_SANDYBRIDGE
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#define gotoblas_SKYLAKEX gotoblas_SANDYBRIDGE
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#define gotoblas_ZEN gotoblas_SANDYBRIDGE
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#else
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extern gotoblas_t gotoblas_HASWELL;
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extern gotoblas_t gotoblas_ZEN;
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#ifndef NO_AVX512
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extern gotoblas_t gotoblas_SKYLAKEX;
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#else
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#define gotoblas_SKYLAKEX gotoblas_HASWELL
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#endif
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#endif
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#else
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//Use NEHALEM kernels for sandy bridge
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#define gotoblas_SANDYBRIDGE gotoblas_NEHALEM
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#define gotoblas_HASWELL gotoblas_NEHALEM
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#define gotoblas_SKYLAKEX gotoblas_NEHALEM
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#define gotoblas_BULLDOZER gotoblas_BARCELONA
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#define gotoblas_PILEDRIVER gotoblas_BARCELONA
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#define gotoblas_STEAMROLLER gotoblas_BARCELONA
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#define gotoblas_EXCAVATOR gotoblas_BARCELONA
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#define gotoblas_ZEN gotoblas_BARCELONA
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#endif
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#endif // DYNAMIC_LIST
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#define VENDOR_INTEL 1
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#define VENDOR_AMD 2
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#define VENDOR_CENTAUR 3
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#define VENDOR_HYGON 4
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#define VENDOR_UNKNOWN 99
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#define BITMASK(a, b, c) ((((a) >> (b)) & (c)))
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#ifndef NO_AVX
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static inline void xgetbv(int op, int * eax, int * edx){
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//Use binary code for xgetbv
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__asm__ __volatile__
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(".byte 0x0f, 0x01, 0xd0": "=a" (*eax), "=d" (*edx) : "c" (op) : "cc");
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}
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#endif
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int support_avx(){
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#ifndef NO_AVX
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int eax, ebx, ecx, edx;
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int ret=0;
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cpuid(1, &eax, &ebx, &ecx, &edx);
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if ((ecx & (1 << 28)) != 0 && (ecx & (1 << 27)) != 0 && (ecx & (1 << 26)) != 0){
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xgetbv(0, &eax, &edx);
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if((eax & 6) == 6){
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ret=1; //OS support AVX
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}
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}
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return ret;
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#else
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return 0;
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#endif
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}
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int support_avx2(){
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#ifndef NO_AVX2
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int eax, ebx, ecx=0, edx;
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int ret=0;
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if (!support_avx())
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return 0;
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cpuid(7, &eax, &ebx, &ecx, &edx);
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if((ebx & (1<<7)) != 0)
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ret=1; //OS supports AVX2
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return ret;
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#else
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return 0;
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#endif
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}
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int support_avx512(){
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#if !defined(NO_AVX) && !defined(NO_AVX512)
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int eax, ebx, ecx, edx;
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int ret=0;
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if (!support_avx())
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return 0;
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cpuid(7, &eax, &ebx, &ecx, &edx);
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if((ebx & (1<<7)) != 1){
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ret=0; //OS does not even support AVX2
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}
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if((ebx & (1<<31)) != 0){
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xgetbv(0, &eax, &edx);
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if((eax & 0xe0) == 0xe0)
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ret=1; //OS supports AVX512VL
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}
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return ret;
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#else
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return 0;
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#endif
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}
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extern void openblas_warning(int verbose, const char * msg);
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#define FALLBACK_VERBOSE 1
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#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"
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#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"
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#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"
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#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"
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static int get_vendor(void){
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int eax, ebx, ecx, edx;
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union
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{
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char vchar[16];
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int vint[4];
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} vendor;
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|
||||
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;
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue