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

[OpenBlas]:benchmark/copy.c has time，x,y data loop problems

This commit is contained in:
wuanjun 00447568 2020-02-24 11:23:39 +08:00
parent 1e8410f18c
commit c93ae92579
1 changed files with 22 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
benchmark/copy.c
View File

@ -129,7 +129,10 @@ int main(int argc, char *argv[]){
int step = 1;
struct timeval start, stop;
double time1,timeg;
double time1 = 0.0, timeg = 0.0;
long nanos = 0;
time_t seconds = 0;
struct timespec time_start = { 0, 0 }, time_end = { 0, 0 };
argc--;argv++;
@ -163,35 +166,32 @@ int main(int argc, char *argv[]){
timeg=0;
fprintf(stderr, " %6d : ", (int)m);
for(i = 0; i < m * COMPSIZE * abs(inc_x); i++){
x[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
for(i = 0; i < m * COMPSIZE * abs(inc_y); i++){
y[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
for (l=0; l<loops; l++)
{
clock_gettime(CLOCK_REALTIME, &time_start);
COPY (&m, x, &inc_x, y, &inc_y );
clock_gettime(CLOCK_REALTIME, &time_end);
for(i = 0; i < m * COMPSIZE * abs(inc_x); i++){
x[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
nanos = time_end.tv_nsec - time_start.tv_nsec;
seconds = time_end.tv_sec - time_start.tv_sec;
for(i = 0; i < m * COMPSIZE * abs(inc_y); i++){
y[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
}
gettimeofday( &start, (struct timezone *)0);
time1 = seconds + nanos / 1.e9;
timeg += time1;
}
COPY (&m, x, &inc_x, y, &inc_y );
timeg /= loops;
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;
fprintf(stderr,
" %10.2f MBytes %10.6f sec\n",
COMPSIZE * sizeof(FLOAT) * 1. * (double)m / timeg * 1.e-6, timeg);
fprintf(stderr,
" %10.2f MBytes %12.9f sec\n",
COMPSIZE * sizeof(FLOAT) * 1. * (double)m / timeg / 1.e6, timeg);
}