OpenBLAS/benchmark/geev.c

190 lines
6.4 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 */
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/* (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"
#undef GEEV
#ifndef COMPLEX
#ifdef XDOUBLE
#define GEEV BLASFUNC(qgeev)
#elif defined(DOUBLE)
#define GEEV BLASFUNC(dgeev)
#else
#define GEEV BLASFUNC(sgeev)
#endif
#else
#ifdef XDOUBLE
#define GEEV BLASFUNC(xgeev)
#elif defined(DOUBLE)
#define GEEV BLASFUNC(zgeev)
#else
#define GEEV BLASFUNC(cgeev)
#endif
#endif
#ifndef COMPLEX
extern void GEEV( char* jobvl, char* jobvr, blasint* n, FLOAT* a,
blasint* lda, FLOAT* wr, FLOAT* wi, FLOAT* vl, blasint* ldvl,
FLOAT* vr, blasint* ldvr, FLOAT* work, blasint* lwork, blasint* info );
#else
extern void GEEV( char* jobvl, char* jobvr, blasint* n, FLOAT* a,
blasint* lda, FLOAT* wr, FLOAT* vl, blasint* ldvl,
FLOAT* vr, blasint* ldvr, FLOAT* work, blasint* lwork, FLOAT *rwork, blasint* info );
#endif
int main(int argc, char *argv[]){
FLOAT *a,*vl,*vr,*wi,*wr,*work,*rwork;
FLOAT wkopt[4];
char job='V';
char jobr='N';
char *p;
blasint m, i, j, info,lwork;
double factor = 26.33;
int from = 1;
int to = 200;
int step = 1;
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_JOB"))) job=*p;
if ( job == 'N' ) factor = 10.0;
fprintf(stderr, "From : %3d To : %3d Step = %3d Job=%c\n", from, to, step,job);
if (( a = (FLOAT *)malloc(sizeof(FLOAT) * to * to * COMPSIZE)) == NULL){
fprintf(stderr,"Out of Memory!!\n");exit(1);
}
if (( vl = (FLOAT *)malloc(sizeof(FLOAT) * to * to * COMPSIZE)) == NULL){
fprintf(stderr,"Out of Memory!!\n");exit(1);
}
if (( vr = (FLOAT *)malloc(sizeof(FLOAT) * to * to * COMPSIZE)) == NULL){
fprintf(stderr,"Out of Memory!!\n");exit(1);
}
if (( wr = (FLOAT *)malloc(sizeof(FLOAT) * to * COMPSIZE)) == NULL){
fprintf(stderr,"Out of Memory!!\n");exit(1);
}
if (( wi = (FLOAT *)malloc(sizeof(FLOAT) * to * COMPSIZE)) == NULL){
fprintf(stderr,"Out of Memory!!\n");exit(1);
}
if (( rwork = (FLOAT *)malloc(sizeof(FLOAT) * 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[(long)i + (long)j * (long)to * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
}
lwork = -1;
m=to;
#ifndef COMPLEX
GEEV (&job, &jobr, &m, a, &m, wr, wi, vl, &m, vr, &m, wkopt, &lwork, &info);
#else
GEEV (&job, &jobr, &m, a, &m, wr, vl, &m, vr, &m, wkopt, &lwork,rwork, &info);
#endif
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);
begin();
lwork = -1;
#ifndef COMPLEX
GEEV (&job, &jobr, &m, a, &m, wr, wi, vl, &m, vr, &m, wkopt, &lwork, &info);
#else
GEEV (&job, &jobr, &m, a, &m, wr, vl, &m, vr, &m, wkopt, &lwork,rwork, &info);
#endif
lwork = (blasint)wkopt[0];
#ifndef COMPLEX
GEEV (&job, &jobr, &m, a, &m, wr, wi, vl, &m, vr, &m, work, &lwork, &info);
#else
GEEV (&job, &jobr, &m, a, &m, wr, vl, &m, vr, &m, work, &lwork,rwork, &info);
#endif
end();
if (info) {
fprintf(stderr, "failed to compute eigenvalues .. %d\n", info);
exit(1);
}
time1 = getsec();
fprintf(stderr,
" %10.2f MFlops : %10.2f Sec : %d\n",
COMPSIZE * COMPSIZE * factor * (double)m * (double)m * (double)m / time1 * 1.e-6,time1,lwork);
}
return 0;
}
// void main(int argc, char *argv[]) __attribute__((weak, alias("MAIN__")));