mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-11-28 19:55:53 +03:00
113 lines
3.2 KiB
C
113 lines
3.2 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"
|
|
|
|
struct async_container {
|
|
unsigned async_events;
|
|
unsigned handles_seen;
|
|
uv_async_t async_handles[1024 * 1024];
|
|
};
|
|
|
|
static volatile int done;
|
|
static uv_thread_t thread_id;
|
|
static struct async_container* container;
|
|
|
|
|
|
static unsigned fastrand(void) {
|
|
static unsigned g = 0;
|
|
g = g * 214013 + 2531011;
|
|
return g;
|
|
}
|
|
|
|
|
|
static void thread_cb(void* arg) {
|
|
unsigned i;
|
|
|
|
while (done == 0) {
|
|
i = fastrand() % ARRAY_SIZE(container->async_handles);
|
|
uv_async_send(container->async_handles + i);
|
|
}
|
|
}
|
|
|
|
|
|
static void async_cb(uv_async_t* handle, int status) {
|
|
container->async_events++;
|
|
handle->data = handle;
|
|
}
|
|
|
|
|
|
static void timer_cb(uv_timer_t* handle, int status) {
|
|
unsigned i;
|
|
|
|
done = 1;
|
|
ASSERT(0 == uv_thread_join(&thread_id));
|
|
|
|
for (i = 0; i < ARRAY_SIZE(container->async_handles); i++) {
|
|
uv_async_t* handle = container->async_handles + i;
|
|
|
|
if (handle->data != NULL)
|
|
container->handles_seen++;
|
|
|
|
uv_close((uv_handle_t*) handle, NULL);
|
|
}
|
|
|
|
uv_close((uv_handle_t*) handle, NULL);
|
|
}
|
|
|
|
|
|
BENCHMARK_IMPL(million_async) {
|
|
uv_timer_t timer_handle;
|
|
uv_async_t* handle;
|
|
uv_loop_t* loop;
|
|
int timeout;
|
|
unsigned i;
|
|
|
|
loop = uv_default_loop();
|
|
timeout = 5000;
|
|
|
|
container = malloc(sizeof(*container));
|
|
ASSERT(container != NULL);
|
|
container->async_events = 0;
|
|
container->handles_seen = 0;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(container->async_handles); i++) {
|
|
handle = container->async_handles + i;
|
|
ASSERT(0 == uv_async_init(loop, handle, async_cb));
|
|
handle->data = NULL;
|
|
}
|
|
|
|
ASSERT(0 == uv_timer_init(loop, &timer_handle));
|
|
ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, timeout, 0));
|
|
ASSERT(0 == uv_thread_create(&thread_id, thread_cb, NULL));
|
|
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
|
|
printf("%s async events in %.1f seconds (%s/s, %s unique handles seen)\n",
|
|
fmt(container->async_events),
|
|
timeout / 1000.,
|
|
fmt(container->async_events / (timeout / 1000.)),
|
|
fmt(container->handles_seen));
|
|
free(container);
|
|
|
|
MAKE_VALGRIND_HAPPY();
|
|
return 0;
|
|
}
|