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Subject: Re: [OMPI users] Invalid info object in MPI_Comm_spawn_multiple
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2009-08-19 09:26:58


On Aug 18, 2009, at 8:39 AM, Federico Golfrè Andreasi wrote:

> I think I've solved my problem:
>
> in the previous code the arguments of the MPI_Comm_spawn_multiple
> where filled only by the "root" process not by all the process in
> the group. Now all the ranks have all that information and the spawn
> is done correctly.
> But I read on http://www.mpi-forum.org/docs/mpi21-report/node203.htm
> that those information are significant only at root.

You are exactly right -- this is a legitimate bug! I've fixed our
development trunk in https://svn.open-mpi.org/trac/ompi/timeline and
have filed a CMR to get this fix into 1.3.4.

Thanks for the report!

-- 
Jeff Squyres
jsquyres_at_[hidden]