On May 13, 2009, at 2:33 PM, Le Duy Khanh wrote:
> Wow, that's great.
> You mean that PMPI_* is totally/functionally similar to MPI_*,
> right ?
They are actually aliases of each other in Open MPI. See the
profiling chapter in the MPI spec; it's intended that you can
intercept the MPI_* calls and then call the "real" functions by
invoking their PMPI_* counterparts to effect the real functionality.