/* * $Id: hello.c,v 1.3 2002/11/23 04:06:57 jsquyres Exp $ * * Copyright (c) 2001-2002 The Trustees of Indiana University. * All rights reserved. * Copyright (c) 1998-2001 University of Notre Dame. * All rights reserved. * Copyright (c) 1994-1998 The Ohio State University. * All rights reserved. * * This file is part of the LAM/MPI software package. For license * information, see the LICENSE file in the top level directory of the * LAM/MPI source distribution. * * $HEADER$ * * Sample hello world MPI program for testing MPI. */ #include #include #include int main(int argc, char **argv) { int rank, size; /* Start up MPI */ MPI_Init(&argc, &argv); /* Get some info about MPI */ MPI_Comm_rank(MPI_COMM_WORLD, &rank); MPI_Comm_size(MPI_COMM_WORLD, &size); /* Print out the canonical "hello world" message */ printf("Hello, world! I am %d of %d\n", rank, size); /* All done */ MPI_Finalize(); return 0; }