272 lines
8.4 KiB
C
272 lines
8.4 KiB
C
/*********************************************************************/
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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 <stdio.h>
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#include <stdlib.h>
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#ifdef __CYGWIN32__
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#include <sys/time.h>
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#endif
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#include "common.h"
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double fabs(double);
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#undef POTRF
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#ifndef COMPLEX
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#ifdef XDOUBLE
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#define POTRF BLASFUNC(qpotrf)
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#define SYRK BLASFUNC(qsyrk)
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#elif defined(DOUBLE)
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#define POTRF BLASFUNC(dpotrf)
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#define SYRK BLASFUNC(dsyrk)
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#else
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#define POTRF BLASFUNC(spotrf)
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#define SYRK BLASFUNC(ssyrk)
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#endif
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#else
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#ifdef XDOUBLE
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#define POTRF BLASFUNC(xpotrf)
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#define SYRK BLASFUNC(xherk)
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#elif defined(DOUBLE)
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#define POTRF BLASFUNC(zpotrf)
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#define SYRK BLASFUNC(zherk)
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#else
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#define POTRF BLASFUNC(cpotrf)
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#define SYRK BLASFUNC(cherk)
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#endif
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#endif
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#if defined(__WIN32__) || defined(__WIN64__)
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int gettimeofday(struct timeval *tv, void *tz){
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FILETIME ft;
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unsigned __int64 tmpres = 0;
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static int tzflag;
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if (NULL != tv)
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{
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GetSystemTimeAsFileTime(&ft);
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tmpres |= ft.dwHighDateTime;
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tmpres <<= 32;
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tmpres |= ft.dwLowDateTime;
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/*converting file time to unix epoch*/
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tmpres /= 10; /*convert into microseconds*/
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tmpres -= DELTA_EPOCH_IN_MICROSECS;
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tv->tv_sec = (long)(tmpres / 1000000UL);
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tv->tv_usec = (long)(tmpres % 1000000UL);
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}
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return 0;
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}
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#endif
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static __inline double getmflops(int ratio, int m, double secs){
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double mm = (double)m;
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double mulflops, addflops;
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if (secs==0.) return 0.;
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mulflops = mm * (1./3. + mm * (1./2. + mm * 1./6.));
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addflops = 1./6. * mm * (mm * mm - 1);
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if (ratio == 1) {
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return (mulflops + addflops) / secs * 1.e-6;
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} else {
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return (2. * mulflops + 6. * addflops) / secs * 1.e-6;
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}
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}
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int MAIN__(int argc, char *argv[]){
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char *trans[] = {"T", "N"};
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char *uplo[] = {"U", "L"};
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FLOAT alpha[] = {1.0, 0.0};
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FLOAT beta [] = {0.0, 0.0};
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FLOAT *a, *b;
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blasint m, i, j, info, uplos;
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int from = 1;
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int to = 200;
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int step = 1;
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FLOAT maxerr;
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struct timeval start, stop;
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double time1;
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argc--;argv++;
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if (argc > 0) { from = atol(*argv); argc--; argv++;}
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if (argc > 0) { to = MAX(atol(*argv), from); argc--; argv++;}
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if (argc > 0) { step = atol(*argv); argc--; argv++;}
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fprintf(stderr, "From : %3d To : %3d Step = %3d\n", from, to, step);
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if (( a = (FLOAT *)malloc(sizeof(FLOAT) * to * to * COMPSIZE)) == NULL){
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fprintf(stderr,"Out of Memory!!\n");exit(1);
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}
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if (( b = (FLOAT *)malloc(sizeof(FLOAT) * to * to * COMPSIZE)) == NULL){
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fprintf(stderr,"Out of Memory!!\n");exit(1);
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}
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for(m = from; m <= to; m += step){
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fprintf(stderr, "M = %6d : ", (int)m);
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for (uplos = 0; uplos < 2; uplos ++) {
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#ifndef COMPLEX
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if (uplos & 1) {
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for (j = 0; j < m; j++) {
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for(i = 0; i < j; i++) a[i + j * m] = 0.;
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a[j + j * m] = ((double) rand() / (double) RAND_MAX) + 8.;
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for(i = j + 1; i < m; i++) a[i + j * m] = ((double) rand() / (double) RAND_MAX) - 0.5;
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}
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} else {
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for (j = 0; j < m; j++) {
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for(i = 0; i < j; i++) a[i + j * m] = ((double) rand() / (double) RAND_MAX) - 0.5;
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a[j + j * m] = ((double) rand() / (double) RAND_MAX) + 8.;
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for(i = j + 1; i < m; i++) a[i + j * m] = 0.;
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}
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}
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#else
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if (uplos & 1) {
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for (j = 0; j < m; j++) {
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for(i = 0; i < j; i++) {
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a[(i + j * m) * 2 + 0] = 0.;
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a[(i + j * m) * 2 + 1] = 0.;
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}
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a[(j + j * m) * 2 + 0] = ((double) rand() / (double) RAND_MAX) + 8.;
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a[(j + j * m) * 2 + 1] = 0.;
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for(i = j + 1; i < m; i++) {
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a[(i + j * m) * 2 + 0] = ((double) rand() / (double) RAND_MAX) - 0.5;
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a[(i + j * m) * 2 + 1] = ((double) rand() / (double) RAND_MAX) - 0.5;
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}
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}
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} else {
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for (j = 0; j < m; j++) {
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for(i = 0; i < j; i++) {
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a[(i + j * m) * 2 + 0] = ((double) rand() / (double) RAND_MAX) - 0.5;
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a[(i + j * m) * 2 + 1] = ((double) rand() / (double) RAND_MAX) - 0.5;
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}
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a[(j + j * m) * 2 + 0] = ((double) rand() / (double) RAND_MAX) + 8.;
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a[(j + j * m) * 2 + 1] = 0.;
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for(i = j + 1; i < m; i++) {
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a[(i + j * m) * 2 + 0] = 0.;
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a[(i + j * m) * 2 + 1] = 0.;
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}
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}
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}
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#endif
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SYRK(uplo[uplos], trans[uplos], &m, &m, alpha, a, &m, beta, b, &m);
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gettimeofday( &start, (struct timezone *)0);
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POTRF(uplo[uplos], &m, b, &m, &info);
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gettimeofday( &stop, (struct timezone *)0);
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if (info != 0) {
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fprintf(stderr, "Info = %d\n", info);
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exit(1);
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}
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time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6;
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maxerr = 0.;
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if (!(uplos & 1)) {
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for (j = 0; j < m; j++) {
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for(i = 0; i <= j; i++) {
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#ifndef COMPLEX
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if (maxerr < fabs(a[i + j * m] - b[i + j * m])) maxerr = fabs(a[i + j * m] - b[i + j * m]);
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#else
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if (maxerr < fabs(a[(i + j * m) * 2 + 0] - b[(i + j * m) * 2 + 0])) maxerr = fabs(a[(i + j * m) * 2 + 0] - b[(i + j * m) * 2 + 0]);
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if (maxerr < fabs(a[(i + j * m) * 2 + 1] - b[(i + j * m) * 2 + 1])) maxerr = fabs(a[(i + j * m) * 2 + 1] - b[(i + j * m) * 2 + 1]);
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#endif
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}
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}
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} else {
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for (j = 0; j < m; j++) {
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for(i = j; i < m; i++) {
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#ifndef COMPLEX
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if (maxerr < fabs(a[i + j * m] - b[i + j * m])) maxerr = fabs(a[i + j * m] - b[i + j * m]);
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#else
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if (maxerr < fabs(a[(i + j * m) * 2 + 0] - b[(i + j * m) * 2 + 0])) maxerr = fabs(a[(i + j * m) * 2 + 0] - b[(i + j * m) * 2 + 0]);
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if (maxerr < fabs(a[(i + j * m) * 2 + 1] - b[(i + j * m) * 2 + 1])) maxerr = fabs(a[(i + j * m) * 2 + 1] - b[(i + j * m) * 2 + 1]);
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#endif
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}
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}
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}
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fprintf(stderr,
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#ifdef XDOUBLE
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" %Le %10.3f MFlops", maxerr,
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#else
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" %e %10.3f MFlops", maxerr,
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#endif
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getmflops(COMPSIZE * COMPSIZE, m, time1));
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if (maxerr > 1.e-3) {
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fprintf(stderr, "Hmm, probably it has bug.\n");
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exit(1);
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}
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}
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fprintf(stderr, "\n");
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}
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return 0;
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}
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void main(int argc, char *argv[]) __attribute__((weak, alias("MAIN__")));
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