#include #include #include int main (int argc, char *argv[]) { int rank, size, length; char name[BUFSIZ]; MPI_Init (&argc, &argv); MPI_Comm_rank (MPI_COMM_WORLD, &rank); MPI_Comm_size (MPI_COMM_WORLD, &size); MPI_Get_processor_name (name, &length); printf ("%s: hello world from process %d of %d\n", name, rank, size); MPI_Finalize (); return EXIT_SUCCESS; }