Process 1 says 'Hello, world!' Process 2 says 'Hello, world!' Process 3 says 'Hello, world!' 13 January 2012 11:54:07 AM COMMUNICATOR_MPI - Master process: C++/MPI version An MPI example program. The number of processes is 4 Process 0 says 'Hello, world!' Number of processes in odd communicator = 2 Sum of global ID's in odd communicator = 4 Number of processes in even communicator = 2 Sum of global ID's in even communicator = 2 COMMUNICATOR_MPI: Normal end of execution. 13 January 2012 11:54:07 AM