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Subject: Re: [OMPI users] How to override MPI functions such as MPI_Init, MPI_Recv...
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2009-05-13 14:35:52

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.

Jeff Squyres
Cisco Systems