OpenBLAS/benchmark/potrf.c

260 lines
8.2 KiB
C

/*********************************************************************/
/* 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 "bench.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);
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, l, info, uplos=0;
double flops = 0.;
int from = 1;
int to = 200;
int step = 1;
int loops = 1;
double time1, timeg;
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;
if ((p = getenv("OPENBLAS_LOOPS"))) loops=atoi(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){
timeg=0.;
for (l = 0; l < loops; l++) {
#ifndef COMPLEX
if (uplos & 1) {
for (j = 0; j < m; j++) {
for(i = 0; i < j; i++) a[(long)i + (long)j * (long)m] = 0.;
a[(long)j + (long)j * (long)m] = ((double) rand() / (double) RAND_MAX) + 8.;
for(i = j + 1; i < m; i++) a[(long)i + (long)j * (long)m] = ((double) rand() / (double) RAND_MAX) - 0.5;
}
} else {
for (j = 0; j < m; j++) {
for(i = 0; i < j; i++) a[(long)i + (long)j * (long)m] = ((double) rand() / (double) RAND_MAX) - 0.5;
a[(long)j + (long)j * (long)m] = ((double) rand() / (double) RAND_MAX) + 8.;
for(i = j + 1; i < m; i++) a[(long)i + (long)j * (long)m] = 0.;
}
}
#else
if (uplos & 1) {
for (j = 0; j < m; j++) {
for(i = 0; i < j; i++) {
a[((long)i + (long)j * (long)m) * 2 + 0] = 0.;
a[((long)i + (long)j * (long)m) * 2 + 1] = 0.;
}
a[((long)j + (long)j * (long)m) * 2 + 0] = ((double) rand() / (double) RAND_MAX) + 8.;
a[((long)j + (long)j * (long)m) * 2 + 1] = 0.;
for(i = j + 1; i < m; i++) {
a[((long)i + (long)j * (long)m) * 2 + 0] = 0;
a[((long)i + (long)j * (long)m) * 2 + 1] = ((double) rand() / (double) RAND_MAX) - 0.5;
}
}
} else {
for (j = 0; j < m; j++) {
for(i = 0; i < j; i++) {
a[((long)i + (long)j * (long)m) * 2 + 0] = 0.;
a[((long)i + (long)j * (long)m) * 2 + 1] = ((double) rand() / (double) RAND_MAX) - 0.5;
}
a[((long)j + (long)j * (long)m) * 2 + 0] = ((double) rand() / (double) RAND_MAX) + 8.;
a[((long)j + (long)j * (long)m) * 2 + 1] = 0.;
for(i = j + 1; i < m; i++) {
a[((long)i + (long)j * (long)m) * 2 + 0] = 0.;
a[((long)i + (long)j * (long)m) * 2 + 1] = 0.;
}
}
}
#endif
SYRK(uplo[uplos], trans[uplos], &m, &m, alpha, a, &m, beta, b, &m);
begin();
POTRF(uplo[uplos], &m, b, &m, &info);
end();
if (info != 0) {
fprintf(stderr, "Potrf info = %d\n", info);
exit(1);
}
if ( btest == 'F')
timeg += getsec();
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;
}
}
begin();
POTRS(uplo[uplos], &m, &m, b, &m, a, &m, &info);
end();
if (info != 0) {
fprintf(stderr, "Potrs info = %d\n", info);
exit(1);
}
timeg += getsec();
}
if ( btest == 'I' )
{
begin();
POTRI(uplo[uplos], &m, b, &m, &info);
end();
if (info != 0) {
fprintf(stderr, "Potri info = %d\n", info);
exit(1);
}
timeg += getsec();
}
} // loops
time1 = timeg/(double)loops;
if ( btest == 'F')
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')
flops = COMPSIZE * COMPSIZE * (2.0 * (double)m * (double)m *(double)m ) / time1 * 1.e-6;
if ( btest == 'I')
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__")));