blob: 58a0a78d4598efeed7006029aac50be45f221a63 [file] [log] [blame]
#include "test.h"
#include <time.h>
int bench_nthread;
int bench_niter;
int bench_mode;
void bench(); // defined by user
void start_thread_group(int nth, void(*f)(int tid));
int main(int argc, char **argv) {
bench_nthread = 2;
if (argc > 1)
bench_nthread = atoi(argv[1]);
bench_niter = 100;
if (argc > 2)
bench_niter = atoi(argv[2]);
if (argc > 3)
bench_mode = atoi(argv[3]);
timespec tp0;
clock_gettime(CLOCK_MONOTONIC, &tp0);
bench();
timespec tp1;
clock_gettime(CLOCK_MONOTONIC, &tp1);
unsigned long long t =
(tp1.tv_sec * 1000000000ULL + tp1.tv_nsec) -
(tp0.tv_sec * 1000000000ULL + tp0.tv_nsec);
fprintf(stderr, "%llu ns/iter\n", t / bench_niter);
fprintf(stderr, "DONE\n");
}
void start_thread_group(int nth, void(*f)(int tid)) {
pthread_t *th = (pthread_t*)malloc(nth * sizeof(pthread_t));
for (int i = 0; i < nth; i++)
pthread_create(&th[i], 0, (void*(*)(void*))f, (void*)(long)i);
for (int i = 0; i < nth; i++)
pthread_join(th[i], 0);
}