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92 lines
2.5 KiB
92 lines
2.5 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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#include <stdio.h>
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#include <stdlib.h>
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#define NUM_TICKS (2 * 1000 * 1000)
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static unsigned long ticks;
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static uv_idle_t idle_handle;
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static uv_timer_t timer_handle;
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static void idle_cb(uv_idle_t* handle) {
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if (++ticks == NUM_TICKS)
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uv_idle_stop(handle);
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}
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static void idle2_cb(uv_idle_t* handle) {
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ticks++;
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}
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static void timer_cb(uv_timer_t* handle) {
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uv_idle_stop(&idle_handle);
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uv_timer_stop(&timer_handle);
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}
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BENCHMARK_IMPL(loop_count) {
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uv_loop_t* loop = uv_default_loop();
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uint64_t ns;
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uv_idle_init(loop, &idle_handle);
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uv_idle_start(&idle_handle, idle_cb);
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ns = uv_hrtime();
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uv_run(loop, UV_RUN_DEFAULT);
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ns = uv_hrtime() - ns;
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ASSERT(ticks == NUM_TICKS);
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fprintf(stderr, "loop_count: %d ticks in %.2fs (%.0f/s)\n",
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NUM_TICKS,
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ns / 1e9,
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NUM_TICKS / (ns / 1e9));
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fflush(stderr);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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BENCHMARK_IMPL(loop_count_timed) {
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uv_loop_t* loop = uv_default_loop();
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uv_idle_init(loop, &idle_handle);
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uv_idle_start(&idle_handle, idle2_cb);
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uv_timer_init(loop, &timer_handle);
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uv_timer_start(&timer_handle, timer_cb, 5000, 0);
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uv_run(loop, UV_RUN_DEFAULT);
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fprintf(stderr, "loop_count: %lu ticks (%.0f ticks/s)\n", ticks, ticks / 5.0);
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fflush(stderr);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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