acl/lib_fiber/samples/fiber/main.c
2016-06-11 23:18:06 +08:00

111 lines
2.3 KiB
C

#include "lib_acl.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "fiber/lib_fiber.h"
static int __max_loop = 1000;
static int __max_fiber = 1000;
static __thread struct timeval __begin;
static __thread int __left_fiber = 1000;
static double stamp_sub(const struct timeval *from, const struct timeval *sub_by)
{
struct timeval res;
memcpy(&res, from, sizeof(struct timeval));
res.tv_usec -= sub_by->tv_usec;
if (res.tv_usec < 0) {
--res.tv_sec;
res.tv_usec += 1000000;
}
res.tv_sec -= sub_by->tv_sec;
return (res.tv_sec * 1000.0 + res.tv_usec/1000.0);
}
static void fiber_main(FIBER *fiber acl_unused, void *ctx acl_unused)
{
int i;
for (i = 0; i < __max_loop; i++)
fiber_yield();
if (--__left_fiber == 0) {
long long count = __max_fiber * __max_loop;
struct timeval end;
double spent;
gettimeofday(&end, NULL);
spent = stamp_sub(&end, &__begin);
printf("fibers: %d, count: %lld, spent: %.2f, speed: %.2f\r\n",
__max_fiber, count, spent,
(count * 1000) / (spent > 0 ? spent : 1));
}
}
static void *thread_main(void *ctx acl_unused)
{
int i;
gettimeofday(&__begin, NULL);
__left_fiber = __max_fiber;
printf("thread: %lu\r\n", (unsigned long) acl_pthread_self());
for (i = 0; i < __max_fiber; i++)
fiber_create(fiber_main, NULL, 32768);
fiber_schedule();
return NULL;
}
static void usage(const char *procname)
{
printf("usage: %s -h [help] -n max_loop -m max_fiber -t max_threads\r\n", procname);
}
int main(int argc, char *argv[])
{
int ch, i, nthreads = 1;
acl_pthread_attr_t attr;
acl_pthread_t *tids;
while ((ch = getopt(argc, argv, "hn:m:t:")) > 0) {
switch (ch) {
case 'h':
usage(argv[0]);
return 0;
case 'n':
__max_loop = atoi(optarg);
break;
case 'm':
__max_fiber = atoi(optarg);
break;
case 't':
nthreads = atoi(optarg);
if (nthreads <= 0)
nthreads = 1;
break;
default:
break;
}
}
acl_pthread_attr_init(&attr);
tids = (acl_pthread_t *) acl_mycalloc(nthreads, sizeof(acl_pthread_t));
for (i = 0; i < nthreads; i++)
acl_pthread_create(&tids[i], &attr, thread_main, NULL);
for (i = 0; i < nthreads; i++)
acl_pthread_join(tids[i], NULL);
acl_myfree(tids);
return 0;
}