Good catch - MPI_COMM_SPLIT_TYPE clearly belongs in this list. Bill William Gropp Director, Parallel Computing Institute Deputy Director for Research Institute for Advanced Computing Applications and Technologies Paul and Cynthia Saylor Professor of Computer Science University of Illinois Urbana-Champaign On Jul 19, 2012, at 12:36 PM, Adam T. Moody wrote:

Hi Darius, I think we want to include MPI_COMM_SPLIT_TYPE in the list of functions that apply an info object to a communicator in the communicator info section 6.4.4. This at first feels a little strange, since globally you end up with multiple communicators after the call. However, each process should end up belonging to at most one new comm, so the info would naturally apply to the comm the process belongs to. -Adam

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