|
0
|
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 }
|
