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comparison libgomp/testsuite/libgomp.c/ordered-1.c @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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-1:000000000000 0:a06113de4d67
1 /* Test that all loop iterations are touched. This doesn't verify
2 scheduling order, merely coverage. */
3 /* Note that we never call GOMP_ordered_start in here. AFAICS, this is
4 valid; the only requirement is "not more than once per iteration". */
5
6 /* { dg-require-effective-target sync_int_long } */
7
8 #include <omp.h>
9 #include <string.h>
10 #include <assert.h>
11 #include "libgomp_g.h"
12
13
14 #define N 1000
15 static int S, E, INCR, CHUNK, NTHR;
16 static int data[N];
17
18 static void clean_data (void)
19 {
20 memset (data, -1, sizeof (data));
21 }
22
23 static void test_data (void)
24 {
25 int i, j;
26
27 for (i = 0; i < S; ++i)
28 assert (data[i] == -1);
29
30 for (j = 0; i < E; ++i, j = (j + 1) % INCR)
31 if (j == 0)
32 assert (data[i] != -1);
33 else
34 assert (data[i] == -1);
35
36 for (; i < N; ++i)
37 assert (data[i] == -1);
38 }
39
40 static void set_data (long i, int val)
41 {
42 int old;
43 assert (i >= 0 && i < N);
44 old = __sync_lock_test_and_set (data+i, val);
45 assert (old == -1);
46 }
47
48
49 #define TMPL_1(sched) \
50 static void f_##sched##_1 (void *dummy) \
51 { \
52 int iam = omp_get_thread_num (); \
53 long s0, e0, i; \
54 if (GOMP_loop_ordered_##sched##_start (S, E, INCR, CHUNK, &s0, &e0)) \
55 do \
56 { \
57 for (i = s0; i < e0; i += INCR) \
58 set_data (i, iam); \
59 } \
60 while (GOMP_loop_ordered_##sched##_next (&s0, &e0)); \
61 GOMP_loop_end (); \
62 } \
63 static void t_##sched##_1 (void) \
64 { \
65 clean_data (); \
66 GOMP_parallel_start (f_##sched##_1, NULL, NTHR); \
67 f_##sched##_1 (NULL); \
68 GOMP_parallel_end (); \
69 test_data (); \
70 }
71
72 TMPL_1(static)
73 TMPL_1(dynamic)
74 TMPL_1(guided)
75
76 static void test (void)
77 {
78 t_static_1 ();
79 t_dynamic_1 ();
80 t_guided_1 ();
81 }
82
83 int main()
84 {
85 omp_set_dynamic (0);
86
87 NTHR = 4;
88
89 S = 0, E = N, INCR = 1, CHUNK = 4;
90 test ();
91
92 S = 0, E = N, INCR = 2, CHUNK = 4;
93 test ();
94
95 S = 1, E = N-1, INCR = 1, CHUNK = 5;
96 test ();
97
98 S = 1, E = N-1, INCR = 2, CHUNK = 5;
99 test ();
100
101 S = 2, E = 4, INCR = 1, CHUNK = 1;
102 test ();
103
104 S = 0, E = N, INCR = 1, CHUNK = 0;
105 t_static_1 ();
106
107 S = 1, E = N-1, INCR = 1, CHUNK = 0;
108 t_static_1 ();
109
110 NTHR = 10;
111 S = 1, E = 9, INCR = 1, CHUNK = 0;
112 t_static_1 ();
113
114 return 0;
115 }