/* A simple bugged MPI_Send and MPI_Recv test: it deadlocks when MPI_Send are blocking */
-/* Copyright (c) 2009-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2023. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
MPI_Comm_size(MPI_COMM_WORLD, &size); /* Get nr of tasks */
MPI_Comm_rank(MPI_COMM_WORLD, &rank); /* Get id of this process */
- if (size < 2) {
+ if (size != 2) {
printf("run this program with exactly 2 processes (-np 2)\n");
MPI_Finalize();
exit(0);