openmp/runtime/test/env/omp51_alloc_env.c

   1 // RUN: %libomp-compile
   2 // RUN: env OMP_ALLOCATOR=omp_high_bw_mem_alloc %libomp-run
   3 // RUN: env OMP_ALLOCATOR=omp_default_mem_space %libomp-run
   4 // RUN: env OMP_ALLOCATOR=omp_large_cap_mem_space:alignment=16,pinned=true \
   5 // RUN:     %libomp-run
   6 // RUN: env \
   7 // RUN:     OMP_ALLOCATOR=omp_high_bw_mem_space:pool_size=1048576,fallback=allocator_fb,fb_data=omp_low_lat_mem_alloc \
   8 // RUN:     %libomp-run
   9
  10 #include <stdio.h>
  11 #include <omp.h>
  12
  13 int main() {
  14   void *p[2];
  15 #pragma omp parallel num_threads(2)
  16   {
  17     int i = omp_get_thread_num();
  18     p[i] = omp_alloc(1024 * 1024, omp_get_default_allocator());
  19 #pragma omp barrier
  20     printf("th %d, ptr %p\n", i, p[i]);
  21     omp_free(p[i], omp_get_default_allocator());
  22   }
  23   // Both pointers should be non-NULL
  24   if (p[0] != NULL && p[1] != NULL) {
  25     printf("passed\n");
  26     return 0;
  27   } else {
  28     printf("failed: pointers %p %p\n", p[0], p[1]);
  29     return 1;
  30   }
  31 }