1 // RUN: %libomp-cxx-compile-and-run 2 3 #include <omp.h> 4 5 #include <algorithm> 6 #include <cassert> 7 #include <vector> 8 main(int argc,char * argv[])9int main(int argc, char *argv[]) { 10 const int N = std::min(std::max(std::max(32, 4 * omp_get_max_threads()), 11 4 * omp_get_num_procs()), 12 std::numeric_limits<int>::max()); 13 14 std::vector<int> data(N); 15 16 #pragma omp parallel for num_threads(N) 17 for (unsigned i = 0; i < N; ++i) { 18 data[i] = i; 19 } 20 21 #pragma omp parallel for num_threads(N + 1) 22 for (unsigned i = 0; i < N; ++i) { 23 data[i] += i; 24 } 25 26 for (unsigned i = 0; i < N; ++i) { 27 assert(data[i] == 2 * i); 28 } 29 30 return 0; 31 } 32