int main(int argc, char **argv)
{
unsigned i;
double timing;
struct timeval start;
struct timeval end;
parse_args(argc, argv);
starpu_init(NULL);
init_gordon_kernel();
fprintf(stderr, "#tasks : %d\n", ntasks);
gettimeofday(&start, NULL);
for (i = 0; i < ntasks; i++)
{
inject_one_task();
}
gettimeofday(&end, NULL);
timing = (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec));
fprintf(stderr, "Total: %lf secs\n", timing/1000000);
fprintf(stderr, "Per task: %lf usecs\n", timing/ntasks);
starpu_shutdown();
return 0;
}
int main(int argc, char **argv)
{
unsigned i;
double timing;
struct timeval start;
struct timeval end;
pthread_mutex_init(&mutex, NULL);
pthread_cond_init(&cond, NULL);
parse_args(argc, argv);
cnt = ntasks;
starpu_init(&conf);
init_gordon_kernel();
fprintf(stderr, "#tasks : %d\n", ntasks);
gettimeofday(&start, NULL);
for (i = 0; i < ntasks; i++)
{
inject_one_task();
}
pthread_mutex_lock(&mutex);
while (!finished)
pthread_cond_wait(&cond, &mutex);
pthread_mutex_unlock(&mutex);
gettimeofday(&end, NULL);
timing = (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec));
fprintf(stderr, "Total: %lf secs\n", timing/1000000);
fprintf(stderr, "Per task: %lf usecs\n", timing/ntasks);
starpu_shutdown();
return 0;
}
int main(int argc, char **argv)
{
int ret;
unsigned i;
double timing;
double start;
double end;
#ifdef STARPU_QUICK_CHECK
ntasks = 128;
#endif
parse_args(argc, argv);
ret = starpu_initialize(NULL, &argc, &argv);
if (ret == -ENODEV) return STARPU_TEST_SKIPPED;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_init");
fprintf(stderr, "#tasks : %u\n", ntasks);
start = starpu_timing_now();
for (i = 0; i < ntasks; i++)
{
ret = inject_one_task();
if (ret == -ENODEV) goto enodev;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_submit");
}
end = starpu_timing_now();
timing = end - start;
fprintf(stderr, "Total: %f secs\n", timing/1000000);
fprintf(stderr, "Per task: %f usecs\n", timing/ntasks);
{
char *output_dir = getenv("STARPU_BENCH_DIR");
char *bench_id = getenv("STARPU_BENCH_ID");
if (output_dir && bench_id)
{
char file[1024];
FILE *f;
sprintf(file, "%s/sync_tasks_overhead_total.dat", output_dir);
f = fopen(file, "a");
fprintf(f, "%s\t%f\n", bench_id, timing/1000000);
fclose(f);
sprintf(file, "%s/sync_tasks_overhead_per_task.dat", output_dir);
f = fopen(file, "a");
fprintf(f, "%s\t%f\n", bench_id, timing/ntasks);
fclose(f);
}
}
starpu_shutdown();
return EXIT_SUCCESS;
enodev:
fprintf(stderr, "WARNING: No one can execute this task\n");
/* yes, we do not perform the computation but we did detect that no one
* could perform the kernel, so this is not an error from StarPU */
starpu_shutdown();
return STARPU_TEST_SKIPPED;
}
