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f5c0c9179f
Aligned allocation routines added. Fortran interfaces added for all allocation routines. Differential Revision: https://reviews.llvm.org/D110923
86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
// RUN: %libomp-compile-and-run
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// UNSUPPORTED: gnu
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#include <stdio.h>
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#include <stdlib.h>
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#include <omp.h>
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#define NTH 8
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#define AL0 64
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#define AL1 128
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int main()
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{
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int err = 0;
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omp_alloctrait_t at[3];
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omp_allocator_handle_t a;
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void *p[NTH];
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at[0].key = omp_atk_pool_size;
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at[0].value = 16*1024*1024;
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at[1].key = omp_atk_fallback;
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at[1].value = omp_atv_null_fb;
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a = omp_init_allocator(omp_large_cap_mem_space, 2, at);
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printf("allocator large created: %p\n", (void *)a);
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#pragma omp parallel num_threads(8)
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{
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int i = omp_get_thread_num();
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p[i] = omp_aligned_alloc(AL0, 1024 * 1024, a); // API's alignment only
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#pragma omp barrier
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printf("th %d, ptr %p\n", i, p[i]);
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if ((size_t)p[i] % AL0) {
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#pragma omp atomic
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err++;
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printf("Error param: th %d, ptr %p is not %d-byte aligned\n",
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i, p[i], AL0);
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}
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omp_free(p[i], a);
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}
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omp_destroy_allocator(a);
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at[2].key = omp_atk_alignment;
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at[2].value = AL1;
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a = omp_init_allocator(omp_large_cap_mem_space, 3, at);
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printf("allocator large aligned %d created: %p\n", AL1, (void *)a);
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if (a != omp_null_allocator)
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#pragma omp parallel num_threads(8)
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{
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int i = omp_get_thread_num();
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p[i] = omp_aligned_alloc(AL0, 1024 * 1024, a); // allocator's alignment wins
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#pragma omp barrier
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printf("th %d, ptr %p\n", i, p[i]);
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if ((size_t)p[i] % AL1) {
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#pragma omp atomic
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err++;
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printf("Error allocator: th %d, ptr %p is not %d-byte aligned\n",
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i, p[i], AL1);
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}
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omp_free(p[i], a);
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}
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omp_destroy_allocator(a);
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at[2].key = omp_atk_alignment;
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at[2].value = AL0;
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a = omp_init_allocator(omp_large_cap_mem_space, 3, at);
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printf("allocator large aligned %d created: %p\n", AL0, (void *)a);
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#pragma omp parallel num_threads(8)
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{
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int i = omp_get_thread_num();
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p[i] = omp_aligned_alloc(AL1, 1024 * 1024, a); // API's alignment wins
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#pragma omp barrier
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printf("th %d, ptr %p\n", i, p[i]);
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if ((size_t)p[i] % AL1) {
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#pragma omp atomic
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err++;
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printf("Error param: th %d, ptr %p is not %d-byte aligned\n",
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i, p[i], AL1);
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}
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omp_free(p[i], a);
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}
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omp_destroy_allocator(a);
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if (err == 0) {
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printf("passed\n");
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return 0;
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} else {
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printf("failed\n");
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return 1;
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}
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}
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