void f_acc_data (void) { #pragma acc data { int i; #pragma omp atomic write i = 0; } } void f_acc_kernels (void) { #pragma acc kernels { int i; #pragma omp atomic write i = 0; } } #pragma acc routine vector void f_acc_loop (void) { int i; #pragma acc loop for (i = 0; i < 2; ++i) { #pragma omp atomic write i = 0; } } void f_acc_parallel (void) { #pragma acc parallel { int i; #pragma omp atomic write i = 0; } }