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Subject: Re: [OMPI users] Adding new process to running job
From: Fernando Lemos (fernandotcl_at_[hidden])
Date: 2010-04-10 18:40:49

On Sat, Apr 10, 2010 at 6:07 AM, Juergen Kaiser <juer.kaiser_at_[hidden]> wrote:
> Hi,
> is it possible to add a new MPI process to a set of running MPI processes
> such that they can commnicate as usual? If so, how?

OpenMPI supports MPI-2, so, as far as I can tell, yes, you can do so
by using the dynamic process management functions defined by MPI-2.
Now this has to be done from the application code.

Take my words with a grain of salt, though, as I'm not an MPI guru (by far).