|
160
|
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 "uv.h"
|
|
|
23 #include "task.h"
|
|
|
24
|
|
|
25 #include <stdio.h>
|
|
|
26 #include <stdlib.h>
|
|
|
27
|
|
|
28 #define NUM_THREADS (20 * 1000)
|
|
|
29
|
|
|
30 static volatile int num_threads;
|
|
|
31
|
|
|
32
|
|
|
33 static void thread_entry(void* arg) {
|
|
|
34 ASSERT_PTR_EQ(arg, (void *) 42);
|
|
|
35 num_threads++;
|
|
|
36 /* FIXME write barrier? */
|
|
|
37 }
|
|
|
38
|
|
|
39
|
|
|
40 BENCHMARK_IMPL(thread_create) {
|
|
|
41 uint64_t start_time;
|
|
|
42 double duration;
|
|
|
43 uv_thread_t tid;
|
|
|
44 int i, r;
|
|
|
45
|
|
|
46 start_time = uv_hrtime();
|
|
|
47
|
|
|
48 for (i = 0; i < NUM_THREADS; i++) {
|
|
|
49 r = uv_thread_create(&tid, thread_entry, (void *) 42);
|
|
|
50 ASSERT_OK(r);
|
|
|
51
|
|
|
52 r = uv_thread_join(&tid);
|
|
|
53 ASSERT_OK(r);
|
|
|
54 }
|
|
|
55
|
|
|
56 duration = (uv_hrtime() - start_time) / 1e9;
|
|
|
57
|
|
|
58 ASSERT_EQ(num_threads, NUM_THREADS);
|
|
|
59
|
|
|
60 printf("%d threads created in %.2f seconds (%.0f/s)\n",
|
|
|
61 NUM_THREADS, duration, NUM_THREADS / duration);
|
|
|
62
|
|
|
63 return 0;
|
|
|
64 }
|
