floraachy
/
OpenBLAS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

extended gemv.c benchmark

This commit is contained in:
wernsaar 2014-09-01 15:07:36 +02:00
parent 53f1277b6b
commit d7f91f8b4f
1 changed files with 70 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

103
benchmark/gemv.c
View File

@ -128,6 +128,7 @@ int MAIN__(int argc, char *argv[]){
blasint inc_x=1,inc_y=1;
blasint n=0;
int has_param_n = 0;
int has_param_m = 0;
int loops = 1;
int l;
char *p;
@ -145,6 +146,9 @@ int MAIN__(int argc, char *argv[]){
if (argc > 0) { to = MAX(atol(*argv), from); argc--; argv++;}
if (argc > 0) { step = atol(*argv); argc--; argv++;}
int tomax = to;
if ((p = getenv("OPENBLAS_LOOPS"))) loops = atoi(p);
if ((p = getenv("OPENBLAS_INCX"))) inc_x = atoi(p);
if ((p = getenv("OPENBLAS_INCY"))) inc_y = atoi(p);
@ -152,15 +156,18 @@ int MAIN__(int argc, char *argv[]){
if ((p = getenv("OPENBLAS_PARAM_N"))) {
n = atoi(p);
if ((n>0)) has_param_n = 1;
if ( n > tomax ) tomax = n;
}
if ( has_param_n == 0 )
if ((p = getenv("OPENBLAS_PARAM_M"))) {
m = atoi(p);
if ((m>0)) has_param_m = 1;
if ( m > tomax ) tomax = m;
}
int tomax = to;
if ( n > tomax ) tomax = n;
if ( has_param_n == 1 )
fprintf(stderr, "From : %3d To : %3d Step = %3d Trans = '%c' N = %d Inc_x = %d Inc_y = %d Loops = %d\n", from, to, step,trans,n,inc_x,inc_y,loops);
else
fprintf(stderr, "From : %3d To : %3d Step = %3d Trans = '%c' Inc_x = %d Inc_y = %d Loops = %d\n", from, to, step,trans,inc_x,inc_y,loops);
fprintf(stderr, "From : %3d To : %3d Step = %3d Trans = '%c' Inc_x = %d Inc_y = %d Loops = %d\n", from, to, step,trans,inc_x,inc_y,loops);
if (( a = (FLOAT *)malloc(sizeof(FLOAT) * tomax * tomax * COMPSIZE)) == NULL){
fprintf(stderr,"Out of Memory!!\n");exit(1);
@ -180,50 +187,80 @@ int MAIN__(int argc, char *argv[]){
fprintf(stderr, " SIZE Flops\n");
for(m = from; m <= to; m += step)
if (has_param_m == 0)
{
timeg=0;
for(m = from; m <= to; m += step)
{
timeg=0;
if ( has_param_n == 0 ) n = m;
fprintf(stderr, " %6dx%d : ", (int)m,(int)n);
for(j = 0; j < m; j++){
for(i = 0; i < n * COMPSIZE; i++){
a[i + j * m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
}
if ( has_param_n == 0 ) n = m;
for (l=0; l<loops; l++)
{
fprintf(stderr, " %6dx%d : ", (int)m,(int)n);
for(i = 0; i < n * COMPSIZE * abs(inc_x); i++){
x[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
for(j = 0; j < m; j++){
for(i = 0; i < n * COMPSIZE; i++){
a[i + j * m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
}
for(i = 0; i < n * COMPSIZE * abs(inc_y); i++){
y[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
gettimeofday( &start, (struct timezone *)0);
GEMV (&trans, &m, &n, alpha, a, &m, x, &inc_x, beta, y, &inc_y );
gettimeofday( &stop, (struct timezone *)0);
time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6;
timeg += time1;
}
for (l=0; l<loops; l++)
{
timeg /= loops;
for(i = 0; i < n * COMPSIZE * abs(inc_x); i++){
x[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
fprintf(stderr, " %10.2f MFlops\n", COMPSIZE * COMPSIZE * 2. * (double)m * (double)n / timeg * 1.e-6);
for(i = 0; i < n * COMPSIZE * abs(inc_y); i++){
y[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
gettimeofday( &start, (struct timezone *)0);
}
}
else
{
GEMV (&trans, &m, &n, alpha, a, &m, x, &inc_x, beta, y, &inc_y );
for(n = from; n <= to; n += step)
{
timeg=0;
fprintf(stderr, " %6dx%d : ", (int)m,(int)n);
for(j = 0; j < m; j++){
for(i = 0; i < n * COMPSIZE; i++){
a[i + j * m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
}
gettimeofday( &stop, (struct timezone *)0);
for (l=0; l<loops; l++)
{
time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6;
for(i = 0; i < n * COMPSIZE * abs(inc_x); i++){
x[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
timeg += time1;
for(i = 0; i < n * COMPSIZE * abs(inc_y); i++){
y[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
gettimeofday( &start, (struct timezone *)0);
GEMV (&trans, &m, &n, alpha, a, &m, x, &inc_x, beta, y, &inc_y );
gettimeofday( &stop, (struct timezone *)0);
time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6;
timeg += time1;
}
}
timeg /= loops;
timeg /= loops;
fprintf(stderr,
" %10.2f MFlops\n",
COMPSIZE * COMPSIZE * 2. * (double)m * (double)n / timeg * 1.e-6);
fprintf(stderr, " %10.2f MFlops\n", COMPSIZE * COMPSIZE * 2. * (double)m * (double)n / timeg * 1.e-6);
}
}
return 0;