4 int main (int argc, char **argv) {
7 MPI_Init(&argc, &argv);
8 MPI_Comm_size(MPI_COMM_WORLD, &size);
9 MPI_Comm_rank(MPI_COMM_WORLD, &rank);
13 printf("node %d has value %d\n", rank, value);
14 MPI_Bcast(&value, 1, MPI_INT, 0, MPI_COMM_WORLD);
15 printf("node %d has value %d\n", rank, value);