void show_perf(char *name, int tsize, int iters, struct timespec *start,
struct timespec *end, int xfers_per_iter)
{
static int header = 1;
char str[FT_STR_LEN];
int64_t elapsed = get_elapsed(start, end, MICRO);
long long bytes = (long long) iters * tsize * xfers_per_iter;
if (header) {
printf("%-10s%-8s%-8s%-8s%8s %10s%13s\n",
"name", "bytes", "iters", "total", "time", "Gb/sec", "usec/xfer");
header = 0;
}
printf("%-10s", name);
printf("%-8s", size_str(str, tsize));
printf("%-8s", cnt_str(str, iters));
printf("%-8s", size_str(str, bytes));
printf("%8.2fs%10.2f%11.2f\n",
elapsed / 1000000.0, (bytes * 8) / (1000.0 * elapsed),
((float)elapsed / iters / xfers_per_iter));
}
static void show_perf(void)
{
char str[32];
float usec;
long long bytes;
usec = (end.tv_sec - start.tv_sec) * 1000000 + (end.tv_usec - start.tv_usec);
bytes = (long long) iterations * transfer_count * transfer_size * 2;
/* name size transfers iterations bytes seconds Gb/sec usec/xfer */
printf("%-10s", test_name);
size_str(str, sizeof str, transfer_size);
printf("%-8s", str);
cnt_str(str, sizeof str, transfer_count);
printf("%-8s", str);
cnt_str(str, sizeof str, iterations);
printf("%-8s", str);
size_str(str, sizeof str, bytes);
printf("%-8s", str);
printf("%8.2fs%10.2f%11.2f\n",
usec / 1000000., (bytes * 8) / (1000. * usec),
(usec / iterations) / (transfer_count * 2));
}
