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/* { dg-do run } */
/* Test concurrent and repeated allocations. */
#include <omp.h>
#pragma omp requires dynamic_allocators
void
test (int n, omp_allocator_handle_t allocator)
{
#pragma omp target map(to:n) map(to:allocator)
{
int **a;
a = (int **) omp_alloc (n * sizeof (int *), allocator);
#pragma omp parallel for
for (int i = 0; i < n; i++)
{
/*Use 10x to ensure we do activate low-latency fall-back. */
a[i] = omp_alloc (sizeof (int) * 10, allocator);
a[i][0] = i;
}
for (int i = 0; i < n; i++)
if (a[i][0] != i)
{
__builtin_printf ("data mismatch at %i\n", i);
__builtin_abort ();
}
#pragma omp parallel for
for (int i = 0; i < n; i++)
omp_free (a[i], allocator);
omp_free (a, allocator);
}
}
int
main ()
{
/* omp_low_lat_mem_alloc doesn't actually get low-latency memory on GPU. */
omp_alloctrait_t traits[1] = { { omp_atk_access, omp_atv_cgroup } };
omp_allocator_handle_t gpu_lowlat;
#pragma omp target map(from:gpu_lowlat)
gpu_lowlat = omp_init_allocator (omp_low_lat_mem_space, 1, traits);
// Smaller than low-latency memory limit
test (10, omp_default_mem_alloc);
test (10, omp_large_cap_mem_alloc);
test (10, omp_const_mem_alloc);
test (10, omp_high_bw_mem_alloc);
test (10, omp_low_lat_mem_alloc);
test (10, gpu_lowlat);
test (10, omp_cgroup_mem_alloc);
test (10, omp_pteam_mem_alloc);
test (10, omp_thread_mem_alloc);
// Larger than low-latency memory limit (on aggregate)
test (1000, omp_default_mem_alloc);
test (1000, omp_large_cap_mem_alloc);
test (1000, omp_const_mem_alloc);
test (1000, omp_high_bw_mem_alloc);
test (1000, omp_low_lat_mem_alloc);
test (1000, gpu_lowlat);
test (1000, omp_cgroup_mem_alloc);
test (1000, omp_pteam_mem_alloc);
test (1000, omp_thread_mem_alloc);
return 0;
}
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