Merge pull request #426 from wernsaar/develop

added benchmark program for lapack ?getri functions

benchmark/Makefile

@@ -41,6 +41,8 @@ goto :: slinpack.goto dlinpack.goto clinpack.goto zlinpack.goto \
        cher2k.goto zher2k.goto \
        sgemv.goto dgemv.goto cgemv.goto zgemv.goto \
        sgeev.goto dgeev.goto cgeev.goto zgeev.goto \
+       sgetri.goto dgetri.goto cgetri.goto zgetri.goto \
+       spotrf.goto dpotrf.goto cpotrf.goto zpotrf.goto \
        ssymm.goto dsymm.goto csymm.goto zsymm.goto
 
 acml :: slinpack.acml dlinpack.acml clinpack.acml zlinpack.acml \
@@ -57,6 +59,8 @@ acml :: slinpack.acml dlinpack.acml clinpack.acml zlinpack.acml \
        cher2k.acml zher2k.acml \
        sgemv.acml dgemv.acml cgemv.acml zgemv.acml \
        sgeev.acml dgeev.acml cgeev.acml zgeev.acml \
+       sgetri.acml dgetri.acml cgetri.acml zgetri.acml \
+       spotrf.acml dpotrf.acml cpotrf.acml zpotrf.acml \
        ssymm.acml dsymm.acml csymm.acml zsymm.acml
 
 atlas :: slinpack.atlas dlinpack.atlas clinpack.atlas zlinpack.atlas \
@@ -74,6 +78,8 @@ atlas :: slinpack.atlas dlinpack.atlas clinpack.atlas zlinpack.atlas \
        cher2k.atlas zher2k.atlas \
        sgemv.atlas dgemv.atlas cgemv.atlas zgemv.atlas \
        sgeev.atlas dgeev.atlas cgeev.atlas zgeev.atlas \
+       sgetri.atlas dgetri.atlas cgetri.atlas zgetri.atlas \
+       spotrf.atlas dpotrf.atlas cpotrf.atlas zpotrf.atlas \
        ssymm.atlas dsymm.atlas csymm.atlas zsymm.atlas
 
 mkl :: slinpack.mkl dlinpack.mkl clinpack.mkl zlinpack.mkl \
@@ -90,6 +96,8 @@ mkl :: slinpack.mkl dlinpack.mkl clinpack.mkl zlinpack.mkl \
        cher2k.mkl zher2k.mkl \
        sgemv.mkl dgemv.mkl cgemv.mkl zgemv.mkl \
        sgeev.mkl dgeev.mkl cgeev.mkl zgeev.mkl \
+       sgetri.mkl dgetri.mkl cgetri.mkl zgetri.mkl \
+       spotrf.mkl dpotrf.mkl cpotrf.mkl zpotrf.mkl \
        ssymm.mkl dsymm.mkl csymm.mkl zsymm.mkl
 
 all :: goto atlas acml mkl
@@ -779,6 +787,115 @@ zgeev.mkl : zgeev.$(SUFFIX)
 	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
 
 
+##################################### Sgetri ####################################################
+sgetri.goto : sgetri.$(SUFFIX) ../$(LIBNAME)
+	$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) -lm
+
+sgetri.acml : sgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBACML) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+sgetri.atlas : sgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBATLAS) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+sgetri.mkl : sgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+##################################### Dgetri ####################################################
+dgetri.goto : dgetri.$(SUFFIX) ../$(LIBNAME)
+	$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) -lm
+
+dgetri.acml : dgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBACML) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+dgetri.atlas : dgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBATLAS) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+dgetri.mkl : dgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+##################################### Cgetri ####################################################
+
+cgetri.goto : cgetri.$(SUFFIX) ../$(LIBNAME)
+	$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) -lm
+
+cgetri.acml : cgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBACML) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+cgetri.atlas : cgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBATLAS) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+cgetri.mkl : cgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+##################################### Zgetri ####################################################
+
+zgetri.goto : zgetri.$(SUFFIX) ../$(LIBNAME)
+	$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) -lm
+
+zgetri.acml : zgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBACML) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+zgetri.atlas : zgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBATLAS) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+zgetri.mkl : zgetri.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+
+##################################### Spotrf ####################################################
+spotrf.goto : spotrf.$(SUFFIX) ../$(LIBNAME)
+	$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) -lm
+
+spotrf.acml : spotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBACML) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+spotrf.atlas : spotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBATLAS) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+spotrf.mkl : spotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+##################################### Dpotrf ####################################################
+dpotrf.goto : dpotrf.$(SUFFIX) ../$(LIBNAME)
+	$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) -lm
+
+dpotrf.acml : dpotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBACML) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+dpotrf.atlas : dpotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBATLAS) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+dpotrf.mkl : dpotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+##################################### Cpotrf ####################################################
+
+cpotrf.goto : cpotrf.$(SUFFIX) ../$(LIBNAME)
+	$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) -lm
+
+cpotrf.acml : cpotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBACML) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+cpotrf.atlas : cpotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBATLAS) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+cpotrf.mkl : cpotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+##################################### Zpotrf ####################################################
+
+zpotrf.goto : zpotrf.$(SUFFIX) ../$(LIBNAME)
+	$(CC) $(CFLAGS) -o $(@F) $^ $(CEXTRALIB) $(EXTRALIB) -lm
+
+zpotrf.acml : zpotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBACML) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+zpotrf.atlas : zpotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBATLAS) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
+zpotrf.mkl : zpotrf.$(SUFFIX)
+	-$(CC) $(CFLAGS) -o $(@F) $^ $(LIBMKL) $(CEXTRALIB) $(EXTRALIB) $(FEXTRALIB)
+
 
 ###################################################################################################
 
@@ -932,6 +1049,32 @@ cgeev.$(SUFFIX) : geev.c
 zgeev.$(SUFFIX) : geev.c
 	$(CC) $(CFLAGS) -c -DCOMPLEX -DDOUBLE -o $(@F) $^
 
+sgetri.$(SUFFIX) : getri.c
+	$(CC) $(CFLAGS) -c -UCOMPLEX -UDOUBLE -o $(@F) $^
+
+dgetri.$(SUFFIX) : getri.c
+	$(CC) $(CFLAGS) -c -UCOMPLEX -DDOUBLE -o $(@F) $^
+
+cgetri.$(SUFFIX) : getri.c
+	$(CC) $(CFLAGS) -c -DCOMPLEX -UDOUBLE -o $(@F) $^
+
+zgetri.$(SUFFIX) : getri.c
+	$(CC) $(CFLAGS) -c -DCOMPLEX -DDOUBLE -o $(@F) $^
+
+spotrf.$(SUFFIX) : potrf.c
+	$(CC) $(CFLAGS) -c -UCOMPLEX -UDOUBLE -o $(@F) $^
+
+dpotrf.$(SUFFIX) : potrf.c
+	$(CC) $(CFLAGS) -c -UCOMPLEX -DDOUBLE -o $(@F) $^
+
+cpotrf.$(SUFFIX) : potrf.c
+	$(CC) $(CFLAGS) -c -DCOMPLEX -UDOUBLE -o $(@F) $^
+
+zpotrf.$(SUFFIX) : potrf.c
+	$(CC) $(CFLAGS) -c -DCOMPLEX -DDOUBLE -o $(@F) $^
+
+
+
 
 
 clean ::

benchmark/getri.c

@@ -0,0 +1,234 @@
+/*********************************************************************/
+/* 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 <stdio.h>
+#include <stdlib.h>
+#ifdef __CYGWIN32__
+#include <sys/time.h>
+#endif
+#include "common.h"
+
+#undef GETRF
+#undef GETRI
+
+#ifndef COMPLEX
+#ifdef XDOUBLE
+#define GETRF   BLASFUNC(qgetrf)
+#define GETRI   BLASFUNC(qgetri)
+#elif defined(DOUBLE)
+#define GETRF   BLASFUNC(dgetrf)
+#define GETRI   BLASFUNC(dgetri)
+#else
+#define GETRF   BLASFUNC(sgetrf)
+#define GETRI   BLASFUNC(sgetri)
+#endif
+#else
+#ifdef XDOUBLE
+#define GETRF   BLASFUNC(xgetrf)
+#define GETRI   BLASFUNC(xgetri)
+#elif defined(DOUBLE)
+#define GETRF   BLASFUNC(zgetrf)
+#define GETRI   BLASFUNC(zgetri)
+#else
+#define GETRF   BLASFUNC(cgetrf)
+#define GETRI   BLASFUNC(cgetri)
+#endif
+#endif
+
+extern void GETRI(blasint *m, FLOAT *a, blasint *lda, blasint *ipiv, FLOAT *work, blasint *lwork, blasint *info);
+
+#if defined(__WIN32__) || defined(__WIN64__)
+
+#ifndef DELTA_EPOCH_IN_MICROSECS
+#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
+#endif
+
+int gettimeofday(struct timeval *tv, void *tz){
+
+  FILETIME ft;
+  unsigned __int64 tmpres = 0;
+  static int tzflag;
+
+  if (NULL != tv)
+    {
+      GetSystemTimeAsFileTime(&ft);
+
+      tmpres |= ft.dwHighDateTime;
+      tmpres <<= 32;
+      tmpres |= ft.dwLowDateTime;
+
+      /*converting file time to unix epoch*/
+      tmpres /= 10;  /*convert into microseconds*/
+      tmpres -= DELTA_EPOCH_IN_MICROSECS;
+      tv->tv_sec = (long)(tmpres / 1000000UL);
+      tv->tv_usec = (long)(tmpres % 1000000UL);
+    }
+
+  return 0;
+}
+
+#endif
+
+#if !defined(__WIN32__) && !defined(__WIN64__) && !defined(__CYGWIN32__) && 0
+
+static void *huge_malloc(BLASLONG size){
+  int shmid;
+  void *address;
+
+#ifndef SHM_HUGETLB
+#define SHM_HUGETLB 04000
+#endif
+
+  if ((shmid =shmget(IPC_PRIVATE,
+		     (size + HUGE_PAGESIZE) & ~(HUGE_PAGESIZE - 1),
+		     SHM_HUGETLB | IPC_CREAT |0600)) < 0) {
+    printf( "Memory allocation failed(shmget).\n");
+    exit(1);
+  }
+
+  address = shmat(shmid, NULL, SHM_RND);
+
+  if ((BLASLONG)address == -1){
+    printf( "Memory allocation failed(shmat).\n");
+    exit(1);
+  }
+
+  shmctl(shmid, IPC_RMID, 0);
+
+  return address;
+}
+
+#define malloc huge_malloc
+
+#endif
+
+int MAIN__(int argc, char *argv[]){
+
+  FLOAT *a,*work;
+  FLOAT wkopt[4];
+  blasint *ipiv;
+  blasint m, i, j, info,lwork;
+
+  int from =   1;
+  int to   = 200;
+  int step =   1;
+
+  struct timeval start, stop;
+  double time1;
+
+  argc--;argv++;
+
+  if (argc > 0) { from     = atol(*argv);		argc--; argv++;}
+  if (argc > 0) { to       = MAX(atol(*argv), from);	argc--; argv++;}
+  if (argc > 0) { step     = atol(*argv);		argc--; argv++;}
+
+
+  fprintf(stderr, "From : %3d  To : %3d Step = %3d\n", from, to, step);
+
+  if (( a = (FLOAT *)malloc(sizeof(FLOAT) * to * to * COMPSIZE)) == NULL){
+    fprintf(stderr,"Out of Memory!!\n");exit(1);
+  }
+
+  if (( ipiv = (blasint *)malloc(sizeof(blasint) * to * COMPSIZE)) == NULL){
+    fprintf(stderr,"Out of Memory!!\n");exit(1);
+  }
+
+
+
+    for(j = 0; j < to; j++){
+      for(i = 0; i < to * COMPSIZE; i++){
+	a[i + j * to * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
+      }
+    }
+
+
+    lwork = -1;
+    m=to;
+
+  GETRI(&m, a, &m, ipiv, wkopt, &lwork, &info);
+
+  lwork = (blasint)wkopt[0];
+  if (( work = (FLOAT *)malloc(sizeof(FLOAT) * lwork * COMPSIZE)) == NULL){
+    fprintf(stderr,"Out of Memory!!\n");exit(1);
+  }
+
+
+#ifdef linux
+  srandom(getpid());
+#endif
+
+  fprintf(stderr, "   SIZE           FLops           Time          Lwork\n");
+
+  for(m = from; m <= to; m += step){
+
+    fprintf(stderr, " %6d : ", (int)m);
+
+    GETRF (&m, &m, a, &m, ipiv, &info);
+
+    if (info) {
+      fprintf(stderr, "Matrix is not singular .. %d\n", info);
+      exit(1);
+    }
+
+    gettimeofday( &start, (struct timezone *)0);
+
+    lwork = -1;
+    GETRI(&m, a, &m, ipiv, wkopt, &lwork, &info);
+
+    lwork = (blasint)wkopt[0];
+    GETRI(&m, a, &m, ipiv, work, &lwork, &info);
+    gettimeofday( &stop, (struct timezone *)0);
+
+    if (info) {
+      fprintf(stderr, "failed compute inverse matrix .. %d\n", info);
+      exit(1);
+    }
+
+    time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6;
+
+    fprintf(stderr,
+	    " %10.2f MFlops : %10.2f Sec : %d\n",
+	    COMPSIZE * COMPSIZE * (4.0/3.0 * (double)m * (double)m *(double)m - (double)m *(double)m + 5.0/3.0* (double)m) / time1 * 1.e-6,time1,lwork);
+
+
+  }
+
+  return 0;
+}
+
+void main(int argc, char *argv[]) __attribute__((weak, alias("MAIN__")));

benchmark/potrf.c

@@ -0,0 +1,282 @@
+/*********************************************************************/
+/* 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 <stdio.h>
+#include <stdlib.h>
+#ifdef __CYGWIN32__
+#include <sys/time.h>
+#endif
+#include "common.h"
+
+double fabs(double);
+
+#undef POTRF
+
+#ifndef COMPLEX
+#ifdef XDOUBLE
+#define POTRF   BLASFUNC(qpotrf)
+#define POTRS   BLASFUNC(qpotrs)
+#define POTRI   BLASFUNC(qpotri)
+#define SYRK    BLASFUNC(qsyrk)
+#elif defined(DOUBLE)
+#define POTRF   BLASFUNC(dpotrf)
+#define POTRS   BLASFUNC(dpotrs)
+#define POTRI   BLASFUNC(dpotri)
+#define SYRK    BLASFUNC(dsyrk)
+#else
+#define POTRF   BLASFUNC(spotrf)
+#define POTRS   BLASFUNC(spotrs)
+#define POTRI   BLASFUNC(spotri)
+#define SYRK    BLASFUNC(ssyrk)
+#endif
+#else
+#ifdef XDOUBLE
+#define POTRF   BLASFUNC(xpotrf)
+#define POTRS   BLASFUNC(xpotrs)
+#define POTRI   BLASFUNC(xpotri)
+#define SYRK    BLASFUNC(xherk)
+#elif defined(DOUBLE)
+#define POTRF   BLASFUNC(zpotrf)
+#define POTRS   BLASFUNC(zpotrs)
+#define POTRI   BLASFUNC(zpotri)
+#define SYRK    BLASFUNC(zherk)
+#else
+#define POTRF   BLASFUNC(cpotrf)
+#define POTRS   BLASFUNC(cpotrs)
+#define POTRI   BLASFUNC(cpotri)
+#define SYRK    BLASFUNC(cherk)
+#endif
+#endif
+
+// extern void POTRI(char *uplo, blasint *m, FLOAT *a, blasint *lda, blasint *info);
+// extern void POTRS(char *uplo, blasint *m, blasint *n, FLOAT *a, blasint *lda, FLOAT *b, blasint *ldb, blasint *info);
+
+#if defined(__WIN32__) || defined(__WIN64__)
+
+int gettimeofday(struct timeval *tv, void *tz){
+
+  FILETIME ft;
+  unsigned __int64 tmpres = 0;
+  static int tzflag;
+
+  if (NULL != tv)
+    {
+      GetSystemTimeAsFileTime(&ft);
+
+      tmpres |= ft.dwHighDateTime;
+      tmpres <<= 32;
+      tmpres |= ft.dwLowDateTime;
+
+      /*converting file time to unix epoch*/
+      tmpres /= 10;  /*convert into microseconds*/
+      tmpres -= DELTA_EPOCH_IN_MICROSECS;
+      tv->tv_sec = (long)(tmpres / 1000000UL);
+      tv->tv_usec = (long)(tmpres % 1000000UL);
+    }
+
+  return 0;
+}
+
+#endif
+
+int MAIN__(int argc, char *argv[]){
+
+#ifndef COMPLEX
+  char *trans[] = {"T", "N"};
+#else
+  char *trans[] = {"C", "N"};
+#endif
+  char *uplo[]  = {"U", "L"};
+  FLOAT alpha[] = {1.0, 0.0};
+  FLOAT beta [] = {0.0, 0.0};
+
+  FLOAT *a, *b;
+
+  char *p;
+  char btest = 'F';
+
+  blasint m, i, j, info, uplos=0;
+  double flops;
+
+  int from =   1;
+  int to   = 200;
+  int step =   1;
+
+  struct timeval start, stop;
+  double time1;
+
+  argc--;argv++;
+
+  if (argc > 0) { from     = atol(*argv);		argc--; argv++;}
+  if (argc > 0) { to       = MAX(atol(*argv), from);	argc--; argv++;}
+  if (argc > 0) { step     = atol(*argv);		argc--; argv++;}
+
+  if ((p = getenv("OPENBLAS_UPLO")))
+	if (*p == 'L') uplos=1;
+
+  if ((p = getenv("OPENBLAS_TEST"))) btest=*p;
+
+  fprintf(stderr, "From : %3d  To : %3d Step = %3d Uplo = %c\n", from, to, step,*uplo[uplos]);
+
+  if (( a    = (FLOAT *)malloc(sizeof(FLOAT) * to * to * COMPSIZE)) == NULL){
+    fprintf(stderr,"Out of Memory!!\n");exit(1);
+  }
+
+  if (( b    = (FLOAT *)malloc(sizeof(FLOAT) * to * to * COMPSIZE)) == NULL){
+    fprintf(stderr,"Out of Memory!!\n");exit(1);
+  }
+
+  for(m = from; m <= to; m += step){
+
+#ifndef COMPLEX
+      if (uplos & 1) {
+	for (j = 0; j < m; j++) {
+	  for(i = 0; i < j; i++)     a[i + j * m] = 0.;
+	                             a[j + j * m] = ((double) rand() / (double) RAND_MAX) + 8.;
+	  for(i = j + 1; i < m; i++) a[i + j * m] = ((double) rand() / (double) RAND_MAX) - 0.5;
+	}
+      } else {
+	for (j = 0; j < m; j++) {
+	  for(i = 0; i < j; i++)     a[i + j * m] = ((double) rand() / (double) RAND_MAX) - 0.5;
+	                             a[j + j * m] = ((double) rand() / (double) RAND_MAX) + 8.;
+	  for(i = j + 1; i < m; i++) a[i + j * m] = 0.;
+	}
+      }
+#else
+      if (uplos & 1) {
+	for (j = 0; j < m; j++) {
+	  for(i = 0; i < j; i++) {
+	    a[(i + j * m) * 2 + 0] = 0.;
+	    a[(i + j * m) * 2 + 1] = 0.;
+	  }
+
+	  a[(j + j * m) * 2 + 0] = ((double) rand() / (double) RAND_MAX) + 8.;
+	  a[(j + j * m) * 2 + 1] = 0.;
+
+	  for(i = j + 1; i < m; i++) {
+	    a[(i + j * m) * 2 + 0] = ((double) rand() / (double) RAND_MAX) - 0.5;
+	    a[(i + j * m) * 2 + 1] = ((double) rand() / (double) RAND_MAX) - 0.5;
+	  }
+	}
+      } else {
+	for (j = 0; j < m; j++) {
+	  for(i = 0; i < j; i++) {
+	    a[(i + j * m) * 2 + 0] = ((double) rand() / (double) RAND_MAX) - 0.5;
+	    a[(i + j * m) * 2 + 1] = ((double) rand() / (double) RAND_MAX) - 0.5;
+	  }
+
+	  a[(j + j * m) * 2 + 0] = ((double) rand() / (double) RAND_MAX) + 8.;
+	  a[(j + j * m) * 2 + 1] = 0.;
+
+	  for(i = j + 1; i < m; i++) {
+	    a[(i + j * m) * 2 + 0] = 0.;
+	    a[(i + j * m) * 2 + 1] = 0.;
+	  }
+	}
+      }
+#endif
+
+      SYRK(uplo[uplos], trans[uplos], &m, &m, alpha, a, &m, beta, b, &m);
+
+      gettimeofday( &start, (struct timezone *)0);
+
+      POTRF(uplo[uplos], &m, b, &m, &info);
+
+      gettimeofday( &stop, (struct timezone *)0);
+
+      if (info != 0) {
+	fprintf(stderr, "Potrf info = %d\n", info);
+	exit(1);
+      }
+
+      time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6;
+      flops = COMPSIZE * COMPSIZE * (1.0/3.0 * (double)m * (double)m *(double)m +1.0/2.0* (double)m *(double)m + 1.0/6.0* (double)m) / time1 * 1.e-6;
+
+      if ( btest == 'S' )
+      {
+	
+ 	for(j = 0; j < to; j++){
+      		for(i = 0; i < to * COMPSIZE; i++){
+        		a[i + j * to * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
+      		}
+    	}
+
+      	gettimeofday( &start, (struct timezone *)0);
+
+      	POTRS(uplo[uplos], &m, &m, b, &m, a, &m,  &info);
+
+      	gettimeofday( &stop, (struct timezone *)0);
+
+      	if (info != 0) {
+		fprintf(stderr, "Potrs info = %d\n", info);
+		exit(1);
+        }
+        time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6;
+        flops = COMPSIZE * COMPSIZE * (2.0 * (double)m * (double)m *(double)m ) / time1 * 1.e-6;
+
+      }
+	
+      if ( btest == 'I' )
+      {
+	
+      	gettimeofday( &start, (struct timezone *)0);
+
+      	POTRI(uplo[uplos], &m, b, &m, &info);
+
+      	gettimeofday( &stop, (struct timezone *)0);
+
+      	if (info != 0) {
+		fprintf(stderr, "Potri info = %d\n", info);
+		exit(1);
+        }
+
+        time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6;
+        flops = COMPSIZE * COMPSIZE * (2.0/3.0 * (double)m * (double)m *(double)m +1.0/2.0* (double)m *(double)m + 5.0/6.0* (double)m) / time1 * 1.e-6;
+      }
+	
+      fprintf(stderr, "%8d : %10.2f MFlops : %10.3f Sec : Test=%c\n",m,flops ,time1,btest);
+
+
+  }
+
+
+  return 0;
+}
+
+void main(int argc, char *argv[]) __attribute__((weak, alias("MAIN__")));
+

common.h

@@ -524,10 +524,21 @@ static __inline void blas_unlock(volatile BLASULONG *address){
   *address = 0;
 }
 
+
+#ifdef OS_WINDOWS
 static __inline int readenv_atoi(char *env) {
   env_var_t p;
   return readenv(p,env) ? 0 : atoi(p);
 }
+#else
+static __inline int readenv_atoi(char *env) {
+  char *p;
+  if (( p = getenv(env) ))
+  	return (atoi(p));
+  else
+	return(0);
+}
+#endif
 
 
 #if !defined(XDOUBLE) || !defined(QUAD_PRECISION)