extern void dummy (int); void test (void) { #pragma omp target parallel for collapse(2) for (int i = -300; i != 100; ++i) #pragma omp tile sizes(2) for (int j = 0; j != 100; ++j) dummy (i); #pragma omp target parallel for collapse(2) for (int i = -300; i != 100; ++i) #pragma omp tile sizes(2, 3) for (int j = 0; j != 100; ++j) for (int k = 0; k != 100; ++k) dummy (i); }