b460142451
* Add finer-grained measurements to the million_timers benchmark. Before this commit it only measured the total running time. * Bump the number of inserted timers from 1M to 10M. With one million timers, it finishes too quickly to get useful profiling data out of it with perf or oprofile. The name of the benchmark is now a lie but such is life.
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/* 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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#define NUM_TIMERS (10 * 1000 * 1000)
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static int timer_cb_called;
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static int close_cb_called;
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static void timer_cb(uv_timer_t* handle, int status) {
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timer_cb_called++;
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}
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static void close_cb(uv_handle_t* handle) {
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close_cb_called++;
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}
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BENCHMARK_IMPL(million_timers) {
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uv_timer_t* timers;
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uv_loop_t* loop;
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uint64_t before_all;
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uint64_t before_run;
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uint64_t after_run;
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uint64_t after_all;
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int timeout;
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int i;
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timers = malloc(NUM_TIMERS * sizeof(timers[0]));
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ASSERT(timers != NULL);
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loop = uv_default_loop();
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timeout = 0;
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before_all = uv_hrtime();
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for (i = 0; i < NUM_TIMERS; i++) {
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if (i % 1000 == 0) timeout++;
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ASSERT(0 == uv_timer_init(loop, timers + i));
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ASSERT(0 == uv_timer_start(timers + i, timer_cb, timeout, 0));
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}
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before_run = uv_hrtime();
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ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
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after_run = uv_hrtime();
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for (i = 0; i < NUM_TIMERS; i++)
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uv_close((uv_handle_t*) (timers + i), close_cb);
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ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
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after_all = uv_hrtime();
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ASSERT(timer_cb_called == NUM_TIMERS);
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ASSERT(close_cb_called == NUM_TIMERS);
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free(timers);
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LOGF("%.2f seconds total\n", (after_all - before_all) / 1e9);
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LOGF("%.2f seconds init\n", (before_run - before_all) / 1e9);
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LOGF("%.2f seconds dispatch\n", (after_run - before_run) / 1e9);
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LOGF("%.2f seconds cleanup\n", (after_all - after_run) / 1e9);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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