mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-11-16 06:28:38 +03:00
142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to
|
|
* deal in the Software without restriction, including without limitation the
|
|
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
* sell copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "task.h"
|
|
#include "uv.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#define NUM_PINGS (1000 * 1000)
|
|
|
|
struct ctx {
|
|
uv_loop_t loop;
|
|
uv_thread_t thread;
|
|
uv_async_t main_async; /* wake up main thread */
|
|
uv_async_t worker_async; /* wake up worker */
|
|
unsigned int nthreads;
|
|
unsigned int main_sent;
|
|
unsigned int main_seen;
|
|
unsigned int worker_sent;
|
|
unsigned int worker_seen;
|
|
};
|
|
|
|
|
|
static void worker_async_cb(uv_async_t* handle) {
|
|
struct ctx* ctx = container_of(handle, struct ctx, worker_async);
|
|
|
|
ASSERT(0 == uv_async_send(&ctx->main_async));
|
|
ctx->worker_sent++;
|
|
ctx->worker_seen++;
|
|
|
|
if (ctx->worker_sent >= NUM_PINGS)
|
|
uv_close((uv_handle_t*) &ctx->worker_async, NULL);
|
|
}
|
|
|
|
|
|
static void main_async_cb(uv_async_t* handle) {
|
|
struct ctx* ctx = container_of(handle, struct ctx, main_async);
|
|
|
|
ASSERT(0 == uv_async_send(&ctx->worker_async));
|
|
ctx->main_sent++;
|
|
ctx->main_seen++;
|
|
|
|
if (ctx->main_sent >= NUM_PINGS)
|
|
uv_close((uv_handle_t*) &ctx->main_async, NULL);
|
|
}
|
|
|
|
|
|
static void worker(void* arg) {
|
|
struct ctx* ctx = arg;
|
|
ASSERT(0 == uv_async_send(&ctx->main_async));
|
|
ASSERT(0 == uv_run(&ctx->loop, UV_RUN_DEFAULT));
|
|
uv_loop_close(&ctx->loop);
|
|
}
|
|
|
|
|
|
static int test_async(int nthreads) {
|
|
struct ctx* threads;
|
|
struct ctx* ctx;
|
|
uint64_t time;
|
|
int i;
|
|
|
|
threads = calloc(nthreads, sizeof(threads[0]));
|
|
ASSERT(threads != NULL);
|
|
|
|
for (i = 0; i < nthreads; i++) {
|
|
ctx = threads + i;
|
|
ctx->nthreads = nthreads;
|
|
ASSERT(0 == uv_loop_init(&ctx->loop));
|
|
ASSERT(0 == uv_async_init(&ctx->loop, &ctx->worker_async, worker_async_cb));
|
|
ASSERT(0 == uv_async_init(uv_default_loop(),
|
|
&ctx->main_async,
|
|
main_async_cb));
|
|
ASSERT(0 == uv_thread_create(&ctx->thread, worker, ctx));
|
|
}
|
|
|
|
time = uv_hrtime();
|
|
|
|
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
|
|
|
|
for (i = 0; i < nthreads; i++)
|
|
ASSERT(0 == uv_thread_join(&threads[i].thread));
|
|
|
|
time = uv_hrtime() - time;
|
|
|
|
for (i = 0; i < nthreads; i++) {
|
|
ctx = threads + i;
|
|
ASSERT(ctx->worker_sent == NUM_PINGS);
|
|
ASSERT(ctx->worker_seen == NUM_PINGS);
|
|
ASSERT(ctx->main_sent == (unsigned int) NUM_PINGS);
|
|
ASSERT(ctx->main_seen == (unsigned int) NUM_PINGS);
|
|
}
|
|
|
|
printf("async%d: %.2f sec (%s/sec)\n",
|
|
nthreads,
|
|
time / 1e9,
|
|
fmt(NUM_PINGS / (time / 1e9)));
|
|
|
|
free(threads);
|
|
|
|
MAKE_VALGRIND_HAPPY();
|
|
return 0;
|
|
}
|
|
|
|
|
|
BENCHMARK_IMPL(async1) {
|
|
return test_async(1);
|
|
}
|
|
|
|
|
|
BENCHMARK_IMPL(async2) {
|
|
return test_async(2);
|
|
}
|
|
|
|
|
|
BENCHMARK_IMPL(async4) {
|
|
return test_async(4);
|
|
}
|
|
|
|
|
|
BENCHMARK_IMPL(async8) {
|
|
return test_async(8);
|
|
}
|