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bench: add another async handle benchmark
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/* 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. | ||
*/ | ||
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#include "task.h" | ||
#include "uv.h" | ||
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#include <stdio.h> | ||
#include <stdlib.h> | ||
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#define NUM_PINGS (1000 * 1000) | ||
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static unsigned int callbacks; | ||
static volatile int done; | ||
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static void async_cb(uv_async_t* handle, int status) { | ||
if (++callbacks == NUM_PINGS) | ||
uv_close((uv_handle_t*) handle, NULL); | ||
} | ||
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static void pummel(void* arg) { | ||
while (!done) | ||
uv_async_send((uv_async_t*) arg); | ||
} | ||
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BENCHMARK_IMPL(async_pummel) { | ||
uv_async_t handle; | ||
uv_thread_t tid; | ||
uint64_t time; | ||
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ASSERT(0 == uv_async_init(uv_default_loop(), &handle, async_cb)); | ||
ASSERT(0 == uv_thread_create(&tid, pummel, &handle)); | ||
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time = uv_hrtime(); | ||
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ASSERT(0 == uv_run(uv_default_loop())); | ||
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time = uv_hrtime() - time; | ||
done = 1; | ||
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ASSERT(0 == uv_thread_join(&tid)); | ||
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printf("%s callbacks in %.2f seconds (%s/sec)\n", | ||
fmt(callbacks), | ||
time / 1e9, | ||
fmt(callbacks / (time / 1e9))); | ||
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return 0; | ||
} |
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