#include #include #include "mpi.h" const int count = 1234; int buffer[1234] = {0}; int main(int argc, char *argv[]) { int rank, size, i; MPI_Init(&argc, &argv); MPI_Comm_rank(MPI_COMM_WORLD, &rank); MPI_Comm_size(MPI_COMM_WORLD, &size); for (i=0; i < 1000; i++) { fprintf(stderr, "%d: Executing Bcast #%d\n", rank, i); MPI_Bcast(buffer, count, MPI_INT, 0, MPI_COMM_WORLD); if (0 != rank) { sleep(1); } } MPI_Finalize(); return 0; }