1 /* Copyright (c) 2009-2010, 2012. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
10 int main(int argc, char *argv[])
16 MPI_Init(&argc, &argv);
17 MPI_Comm_rank(MPI_COMM_WORLD, &worldrank);
18 MPI_Comm_split(MPI_COMM_WORLD, worldrank % 2, worldrank, &localcomm);
19 MPI_Comm_rank(localcomm, &localrank);
20 printf("node with world rank %d has local rank %d\n", worldrank, localrank);