On Jun 22, 2010, at 6:04 PM, Mihaly Mezei wrote:
> In mpich, I could assign MPI_WORLD_COMM (i.e., mpich did not accept MPI_WORLD_COMM in a common block either) to an integer and that was what I put into the common block,. Openmpi does not accept that new integer as a communicator.
It should. MPI_COMM_WORLD is an integer, just like any other integer.
Can you send a small code snipit that shows the problem?
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