mirror of git://gcc.gnu.org/git/gcc.git
141 lines
2.7 KiB
C
141 lines
2.7 KiB
C
/* Test that all loop iterations are touched. This doesn't verify
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scheduling order, merely coverage. */
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/* { dg-require-effective-target sync_int_long } */
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#include <omp.h>
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#include <string.h>
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#include <assert.h>
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#include "libgomp_g.h"
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#define N 10000
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static int S, E, INCR, CHUNK, NTHR;
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static int data[N];
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static void clean_data (void)
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{
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memset (data, -1, sizeof (data));
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}
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static void test_data (void)
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{
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int i, j;
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for (i = 0; i < S; ++i)
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assert (data[i] == -1);
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for (j = 0; i < E; ++i, j = (j + 1) % INCR)
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if (j == 0)
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assert (data[i] != -1);
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else
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assert (data[i] == -1);
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for (; i < N; ++i)
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assert (data[i] == -1);
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}
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static void set_data (long i, int val)
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{
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int old;
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assert (i >= 0 && i < N);
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old = __sync_lock_test_and_set (data+i, val);
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assert (old == -1);
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}
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#define TMPL_1(sched) \
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static void f_##sched##_1 (void *dummy) \
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{ \
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int iam = omp_get_thread_num (); \
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long s0, e0, i; \
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if (GOMP_loop_##sched##_start (S, E, INCR, CHUNK, &s0, &e0)) \
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do \
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{ \
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for (i = s0; i < e0; i += INCR) \
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set_data (i, iam); \
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} \
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while (GOMP_loop_##sched##_next (&s0, &e0)); \
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GOMP_loop_end (); \
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} \
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static void t_##sched##_1 (void) \
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{ \
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clean_data (); \
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GOMP_parallel_start (f_##sched##_1, NULL, NTHR); \
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f_##sched##_1 (NULL); \
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GOMP_parallel_end (); \
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test_data (); \
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}
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TMPL_1(static)
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TMPL_1(dynamic)
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TMPL_1(guided)
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#define TMPL_2(sched) \
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static void f_##sched##_2 (void *dummy) \
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{ \
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int iam = omp_get_thread_num (); \
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long s0, e0, i; \
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while (GOMP_loop_##sched##_next (&s0, &e0)) \
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{ \
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for (i = s0; i < e0; i += INCR) \
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set_data (i, iam); \
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} \
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GOMP_loop_end_nowait (); \
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} \
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static void t_##sched##_2 (void) \
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{ \
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clean_data (); \
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GOMP_parallel_loop_##sched##_start \
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(f_##sched##_2, NULL, NTHR, S, E, INCR, CHUNK); \
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f_##sched##_2 (NULL); \
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GOMP_parallel_end (); \
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test_data (); \
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}
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TMPL_2(static)
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TMPL_2(dynamic)
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TMPL_2(guided)
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static void test (void)
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{
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t_static_1 ();
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t_dynamic_1 ();
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t_guided_1 ();
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t_static_2 ();
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t_dynamic_2 ();
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t_guided_2 ();
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}
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int main()
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{
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omp_set_dynamic (0);
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NTHR = 4;
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S = 0, E = N, INCR = 1, CHUNK = 4;
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test ();
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S = 0, E = N, INCR = 2, CHUNK = 4;
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test ();
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S = 1, E = N-1, INCR = 1, CHUNK = 5;
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test ();
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S = 1, E = N-1, INCR = 2, CHUNK = 5;
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test ();
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S = 2, E = 4, INCR = 1, CHUNK = 1;
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test ();
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S = 0, E = N, INCR = 1, CHUNK = 0;
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t_static_1 ();
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t_static_2 ();
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S = 1, E = N-1, INCR = 1, CHUNK = 0;
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t_static_1 ();
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t_static_2 ();
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return 0;
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}
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