#include /* Test of worker-private variables declared on loop directive, broadcasting to vector-partitioned mode. Array worker variable. */ int main (int argc, char* argv[]) { int i, arr[32 * 32 * 32]; int pt[2]; for (i = 0; i < 32 * 32 * 32; i++) arr[i] = i; /* "pt" is treated as "present_or_copy" on the kernels directive because it is an array variable. */ #pragma acc kernels copy(arr) { int j; #pragma acc loop gang(num:32) for (i = 0; i < 32; i++) { /* But here, it is made private per-worker. */ #pragma acc loop worker(num:32) private(pt) for (j = 0; j < 32; j++) { int k; pt[0] = i ^ j * 3; #pragma acc loop vector(length:32) for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt[0] * k; pt[1] = i | j * 5; #pragma acc loop vector(length:32) for (k = 0; k < 32; k++) arr[i * 1024 + j * 32 + k] += pt[1] * k; } } } for (i = 0; i < 32; i++) for (int j = 0; j < 32; j++) for (int k = 0; k < 32; k++) { int idx = i * 1024 + j * 32 + k; assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k); } return 0; }