[mpich-discuss] MPI I/O spilt collective implementation: MPI_File_write_all_begin blocking or non-blocking?

[Jed Brown]

Rob Latham <robl at mcs.anl.gov> writes:
> MPICH takes a weak interpretation of the progress rule, but one can 
> emulate strict interpretation by spawning a thread whose one job in life 
> is to call MPI_Test repeatedly.

... or define the MPICH_ASYNC_PROGRESS environment variable.
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