mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-29 12:50:35 +00:00
90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
/* { dg-do run } */
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/* { dg-set-target-env-var OMP_PROC_BIND "spread,close" } */
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/* { dg-set-target-env-var OMP_PLACES "{6,7}:4:-2,!{2,3}" } */
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/* { dg-set-target-env-var OMP_NUM_THREADS "2" } */
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#include <omp.h>
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#include <stdlib.h>
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#include <stdio.h>
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int *
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get_buf (int nump)
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{
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static int *buf;
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static size_t buf_size;
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if ((size_t) nump > buf_size)
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{
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buf_size *= 2;
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if (nump > buf_size)
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buf_size = nump + 64;
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int *bufn = realloc (buf, buf_size * sizeof (int));
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if (bufn == NULL)
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{
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fprintf (stderr, "memory allocation error\n");
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exit (1);
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}
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buf = bufn;
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}
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return buf;
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}
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void
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print_place (int count, int *ids)
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{
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int i, j;
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printf ("{");
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for (i = 0; i < count; i++)
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{
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for (j = i + 1; j < count; j++)
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if (ids[j] != ids[i] + (j - i))
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break;
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if (i)
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printf (",");
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if (j == i + 1)
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printf ("%d", ids[i]);
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else
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{
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printf ("%d:%d", ids[i], j - i);
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i = j - 1;
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}
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}
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printf ("}\n");
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}
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void
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print_place_var (void)
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{
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int place = omp_get_place_num ();
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int num_places = omp_get_partition_num_places ();
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int *ids = get_buf (num_places);
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omp_get_partition_place_nums (ids);
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printf ("place %d\n", place);
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if (num_places)
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printf ("partition %d-%d\n", ids[0], ids[num_places - 1]);
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}
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int
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main ()
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{
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int i, num = omp_get_num_places (), nump, *ids;
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printf ("omp_get_num_places () == %d\n", num);
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for (i = 0; i < num; i++)
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{
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printf ("place %d ", i);
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nump = omp_get_place_num_procs (i);
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ids = get_buf (nump);
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omp_get_place_proc_ids (i, ids);
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print_place (nump, ids);
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}
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print_place_var ();
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omp_set_nested (1);
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#pragma omp parallel
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if (omp_get_thread_num () == omp_get_num_threads () - 1)
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{
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#pragma omp parallel
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if (omp_get_thread_num () == omp_get_num_threads () - 1)
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print_place_var ();
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}
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return 0;
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}
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