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47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#include <omp.h>
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#include <stdint.h>
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#include <stdlib.h>
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int
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main ()
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{
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omp_alloctrait_t traits[3]
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= { { omp_atk_alignment, 64 },
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{ omp_atk_fallback, omp_atv_null_fb },
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{ omp_atk_pool_size, 4096 } };
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omp_allocator_handle_t a
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= omp_init_allocator (omp_default_mem_space, 3, traits);
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if (a == omp_null_allocator)
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abort ();
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#pragma omp parallel num_threads(4)
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{
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int n = omp_get_thread_num ();
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double *volatile p, *volatile q;
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omp_set_default_allocator ((n & 1) ? a : omp_default_mem_alloc);
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p = (double *) omp_alloc (1696, omp_null_allocator);
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if (p == NULL)
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abort ();
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p[0] = 1.0;
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p[1695 / sizeof (double)] = 2.0;
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#pragma omp barrier
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omp_set_default_allocator ((n & 1) ? omp_default_mem_alloc : a);
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q = (double *) omp_alloc (1696, omp_null_allocator);
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if (n & 1)
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{
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if (q == NULL)
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abort ();
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q[0] = 3.0;
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q[1695 / sizeof (double)] = 4.0;
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}
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else if (q != NULL)
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abort ();
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#pragma omp barrier
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omp_free (p, omp_null_allocator);
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omp_free (q, omp_null_allocator);
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omp_set_default_allocator (omp_default_mem_alloc);
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}
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omp_destroy_allocator (a);
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return 0;
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}
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