Mercurial

comparison third_party/libuv/test/benchmark-million-timers.c @ 160:948de3f54cea

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
[ThirdParty] Added libuv
author June Park <parkjune1995@gmail.com>
date Wed, 14 Jan 2026 19:39:52 -0800
parents
children
comparison
equal deleted inserted replaced
159:05cf9467a1c3 160:948de3f54cea
1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22 #include "task.h"
23 #include "uv.h"
24
25 #define NUM_TIMERS (10 * 1000 * 1000)
26
27 static int timer_cb_called;
28 static int close_cb_called;
29
30
31 static void timer_cb(uv_timer_t* handle) {
32 timer_cb_called++;
33 }
34
35
36 static void close_cb(uv_handle_t* handle) {
37 close_cb_called++;
38 }
39
40
41 BENCHMARK_IMPL(million_timers) {
42 uv_timer_t* timers;
43 uv_loop_t* loop;
44 uint64_t before_all;
45 uint64_t before_run;
46 uint64_t after_run;
47 uint64_t after_all;
48 int timeout;
49 int i;
50
51 timers = malloc(NUM_TIMERS * sizeof(timers[0]));
52 ASSERT_NOT_NULL(timers);
53
54 loop = uv_default_loop();
55 timeout = 0;
56
57 before_all = uv_hrtime();
58 for (i = 0; i < NUM_TIMERS; i++) {
59 if (i % 1000 == 0) timeout++;
60 ASSERT_OK(uv_timer_init(loop, timers + i));
61 ASSERT_OK(uv_timer_start(timers + i, timer_cb, timeout, 0));
62 }
63
64 before_run = uv_hrtime();
65 ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
66 after_run = uv_hrtime();
67
68 for (i = 0; i < NUM_TIMERS; i++)
69 uv_close((uv_handle_t*) (timers + i), close_cb);
70
71 ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
72 after_all = uv_hrtime();
73
74 ASSERT_EQ(timer_cb_called, NUM_TIMERS);
75 ASSERT_EQ(close_cb_called, NUM_TIMERS);
76 free(timers);
77
78 fprintf(stderr, "%.2f seconds total\n", (after_all - before_all) / 1e9);
79 fprintf(stderr, "%.2f seconds init\n", (before_run - before_all) / 1e9);
80 fprintf(stderr, "%.2f seconds dispatch\n", (after_run - before_run) / 1e9);
81 fprintf(stderr, "%.2f seconds cleanup\n", (after_all - after_run) / 1e9);
82 fflush(stderr);
83
84 MAKE_VALGRIND_HAPPY(loop);
85 return 0;
86 }