Mercurial > hg > CbC > CbC_gcc
comparison libgomp/testsuite/libgomp.c/loop-1.c @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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-1:000000000000 | 0:a06113de4d67 |
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1 /* Test that all loop iterations are touched. This doesn't verify | |
2 scheduling order, merely coverage. */ | |
3 | |
4 /* { dg-require-effective-target sync_int_long } */ | |
5 | |
6 #include <omp.h> | |
7 #include <string.h> | |
8 #include <assert.h> | |
9 #include "libgomp_g.h" | |
10 | |
11 | |
12 #define N 10000 | |
13 static int S, E, INCR, CHUNK, NTHR; | |
14 static int data[N]; | |
15 | |
16 static void clean_data (void) | |
17 { | |
18 memset (data, -1, sizeof (data)); | |
19 } | |
20 | |
21 static void test_data (void) | |
22 { | |
23 int i, j; | |
24 | |
25 for (i = 0; i < S; ++i) | |
26 assert (data[i] == -1); | |
27 | |
28 for (j = 0; i < E; ++i, j = (j + 1) % INCR) | |
29 if (j == 0) | |
30 assert (data[i] != -1); | |
31 else | |
32 assert (data[i] == -1); | |
33 | |
34 for (; i < N; ++i) | |
35 assert (data[i] == -1); | |
36 } | |
37 | |
38 static void set_data (long i, int val) | |
39 { | |
40 int old; | |
41 assert (i >= 0 && i < N); | |
42 old = __sync_lock_test_and_set (data+i, val); | |
43 assert (old == -1); | |
44 } | |
45 | |
46 | |
47 #define TMPL_1(sched) \ | |
48 static void f_##sched##_1 (void *dummy) \ | |
49 { \ | |
50 int iam = omp_get_thread_num (); \ | |
51 long s0, e0, i; \ | |
52 if (GOMP_loop_##sched##_start (S, E, INCR, CHUNK, &s0, &e0)) \ | |
53 do \ | |
54 { \ | |
55 for (i = s0; i < e0; i += INCR) \ | |
56 set_data (i, iam); \ | |
57 } \ | |
58 while (GOMP_loop_##sched##_next (&s0, &e0)); \ | |
59 GOMP_loop_end (); \ | |
60 } \ | |
61 static void t_##sched##_1 (void) \ | |
62 { \ | |
63 clean_data (); \ | |
64 GOMP_parallel_start (f_##sched##_1, NULL, NTHR); \ | |
65 f_##sched##_1 (NULL); \ | |
66 GOMP_parallel_end (); \ | |
67 test_data (); \ | |
68 } | |
69 | |
70 TMPL_1(static) | |
71 TMPL_1(dynamic) | |
72 TMPL_1(guided) | |
73 | |
74 #define TMPL_2(sched) \ | |
75 static void f_##sched##_2 (void *dummy) \ | |
76 { \ | |
77 int iam = omp_get_thread_num (); \ | |
78 long s0, e0, i; \ | |
79 while (GOMP_loop_##sched##_next (&s0, &e0)) \ | |
80 { \ | |
81 for (i = s0; i < e0; i += INCR) \ | |
82 set_data (i, iam); \ | |
83 } \ | |
84 GOMP_loop_end_nowait (); \ | |
85 } \ | |
86 static void t_##sched##_2 (void) \ | |
87 { \ | |
88 clean_data (); \ | |
89 GOMP_parallel_loop_##sched##_start \ | |
90 (f_##sched##_2, NULL, NTHR, S, E, INCR, CHUNK); \ | |
91 f_##sched##_2 (NULL); \ | |
92 GOMP_parallel_end (); \ | |
93 test_data (); \ | |
94 } | |
95 | |
96 TMPL_2(static) | |
97 TMPL_2(dynamic) | |
98 TMPL_2(guided) | |
99 | |
100 static void test (void) | |
101 { | |
102 t_static_1 (); | |
103 t_dynamic_1 (); | |
104 t_guided_1 (); | |
105 t_static_2 (); | |
106 t_dynamic_2 (); | |
107 t_guided_2 (); | |
108 } | |
109 | |
110 int main() | |
111 { | |
112 omp_set_dynamic (0); | |
113 | |
114 NTHR = 4; | |
115 | |
116 S = 0, E = N, INCR = 1, CHUNK = 4; | |
117 test (); | |
118 | |
119 S = 0, E = N, INCR = 2, CHUNK = 4; | |
120 test (); | |
121 | |
122 S = 1, E = N-1, INCR = 1, CHUNK = 5; | |
123 test (); | |
124 | |
125 S = 1, E = N-1, INCR = 2, CHUNK = 5; | |
126 test (); | |
127 | |
128 S = 2, E = 4, INCR = 1, CHUNK = 1; | |
129 test (); | |
130 | |
131 S = 0, E = N, INCR = 1, CHUNK = 0; | |
132 t_static_1 (); | |
133 t_static_2 (); | |
134 | |
135 S = 1, E = N-1, INCR = 1, CHUNK = 0; | |
136 t_static_1 (); | |
137 t_static_2 (); | |
138 | |
139 return 0; | |
140 } |