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112 lines
3.1 KiB
112 lines
3.1 KiB
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to |
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* deal in the Software without restriction, including without limitation the |
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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* sell copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
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* IN THE SOFTWARE. |
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*/ |
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#include "task.h" |
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#include "uv.h" |
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struct async_container { |
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unsigned async_events; |
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unsigned handles_seen; |
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uv_async_t async_handles[1024 * 1024]; |
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}; |
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static volatile int done; |
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static uv_thread_t thread_id; |
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static struct async_container* container; |
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static unsigned fastrand(void) { |
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static unsigned g = 0; |
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g = g * 214013 + 2531011; |
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return g; |
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} |
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static void thread_cb(void* arg) { |
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unsigned i; |
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while (done == 0) { |
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i = fastrand() % ARRAY_SIZE(container->async_handles); |
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uv_async_send(container->async_handles + i); |
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} |
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} |
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static void async_cb(uv_async_t* handle) { |
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container->async_events++; |
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handle->data = handle; |
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} |
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static void timer_cb(uv_timer_t* handle) { |
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unsigned i; |
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done = 1; |
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ASSERT(0 == uv_thread_join(&thread_id)); |
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for (i = 0; i < ARRAY_SIZE(container->async_handles); i++) { |
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uv_async_t* handle = container->async_handles + i; |
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if (handle->data != NULL) |
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container->handles_seen++; |
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uv_close((uv_handle_t*) handle, NULL); |
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} |
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uv_close((uv_handle_t*) handle, NULL); |
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} |
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BENCHMARK_IMPL(million_async) { |
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uv_timer_t timer_handle; |
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uv_async_t* handle; |
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uv_loop_t* loop; |
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int timeout; |
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unsigned i; |
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loop = uv_default_loop(); |
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timeout = 5000; |
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container = malloc(sizeof(*container)); |
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ASSERT(container != NULL); |
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container->async_events = 0; |
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container->handles_seen = 0; |
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for (i = 0; i < ARRAY_SIZE(container->async_handles); i++) { |
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handle = container->async_handles + i; |
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ASSERT(0 == uv_async_init(loop, handle, async_cb)); |
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handle->data = NULL; |
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} |
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ASSERT(0 == uv_timer_init(loop, &timer_handle)); |
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ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, timeout, 0)); |
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ASSERT(0 == uv_thread_create(&thread_id, thread_cb, NULL)); |
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ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT)); |
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printf("%s async events in %.1f seconds (%s/s, %s unique handles seen)\n", |
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fmt(container->async_events), |
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timeout / 1000., |
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fmt(container->async_events / (timeout / 1000.)), |
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fmt(container->handles_seen)); |
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free(container); |
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MAKE_VALGRIND_HAPPY(); |
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return 0; |
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}
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