90 lines · c
1// RUN: %libomptarget-compile-and-run-generic2 3#include <omp.h>4#include <stdlib.h>5 6#define NUM_DIMS 37 8int main() {9 int d = omp_get_default_device();10 int id = omp_get_initial_device();11 int a[128], b[64], c[128], e[16], q[128], i;12 void *p;13 14 if (d < 0 || d >= omp_get_num_devices())15 d = id;16 17 p = omp_target_alloc(130 * sizeof(int), d);18 if (p == NULL)19 return 0;20 21 for (i = 0; i < 128; i++)22 q[i] = 0;23 if (omp_target_memcpy(p, q, 128 * sizeof(int), 0, 0, d, id) != 0)24 abort();25 26 size_t volume[NUM_DIMS] = {2, 2, 3};27 size_t dst_offsets[NUM_DIMS] = {0, 0, 0};28 size_t src_offsets[NUM_DIMS] = {0, 0, 0};29 size_t dst_dimensions[NUM_DIMS] = {3, 4, 5};30 size_t src_dimensions[NUM_DIMS] = {2, 3, 4};31 32 for (i = 0; i < 128; i++)33 a[i] = 42;34 for (i = 0; i < 64; i++)35 b[i] = 24;36 for (i = 0; i < 128; i++)37 c[i] = 0;38 for (i = 0; i < 16; i++)39 e[i] = 77;40 41 omp_depend_t obj[2];42 43#pragma omp parallel num_threads(5)44#pragma omp single45 {46#pragma omp task depend(out : p)47 omp_target_memcpy(p, a, 128 * sizeof(int), 0, 0, d, id);48 49#pragma omp task depend(inout : p)50 omp_target_memcpy(p, b, 64 * sizeof(int), 0, 0, d, id);51 52#pragma omp task depend(out : c)53 for (i = 0; i < 128; i++)54 c[i] = i + 1;55 56#pragma omp depobj(obj[0]) depend(inout : p)57#pragma omp depobj(obj[1]) depend(in : c)58 59 /* This produces: 1 2 3 - - 5 6 7 - - at positions 0..9 and60 13 14 15 - - 17 18 19 - - at positions 20..29. */61 omp_target_memcpy_rect_async(p, c, sizeof(int), NUM_DIMS, volume,62 dst_offsets, src_offsets, dst_dimensions,63 src_dimensions, d, id, 2, obj);64 65#pragma omp task depend(in : p)66 omp_target_memcpy(p, e, 16 * sizeof(int), 0, 0, d, id);67 }68 69#pragma omp taskwait70 71 if (omp_target_memcpy(q, p, 128 * sizeof(int), 0, 0, id, d) != 0)72 abort();73 74 for (i = 0; i < 16; ++i)75 if (q[i] != 77)76 abort();77 if (q[20] != 13 || q[21] != 14 || q[22] != 15 || q[25] != 17 || q[26] != 18 ||78 q[27] != 19)79 abort();80 for (i = 28; i < 64; ++i)81 if (q[i] != 24)82 abort();83 for (i = 64; i < 128; ++i)84 if (q[i] != 42)85 abort();86 87 omp_target_free(p, d);88 return 0;89}90