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Subject: Re: [OMPI devel] MPI ABI on Linux
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-09-09 12:36:49

On Sep 9, 2008, at 12:14 PM, Ralf Wildenhues wrote:

>> I did promise the ABI working group that I would ask the OMPI
>> community
>> to see if anyone wanted to work with Intel on the proof of concept.
>> Let's put a finite end date on the CFP so that I can report back to
>> them:
>> COB this Thursday, Oct 11, 2008.
> I'm sure you must mean September not October there.

You are absolutely correct -- blah! I meant this week's Thursday, as
in: 2 days from now.

> Are things like timeouts, latencies, and small-message sizes intended
> as part of the ABI as well?

No. The main intent is to be able to compile your MPI app with one
MPI and then (on Linux systems, at least) be able to change your
LD_LIBRARY_PATH (or similar) and use a different MPI's

> IOW, is it expected to be possible to run
> one process compiled with OpenMPI and one process with MPICH, and have
> them communicate with each other?

Nope; still looking for homogeneous MPI jobs (i.e., all one MPI

Jeff Squyres
Cisco Systems