[Beowulf] Really efficient MPIs??

[stephen mulcahy]

Charlie Peck wrote:
> Unless you are using a gigabit ethernet, Open-MPI is noticeably less 
> efficient that LAM-MPI over that fabric.
> 
> I suspect at some point in the future gige will catch-up but for now my 
> (limited) understanding is that the Open-MPI folks are focusing their 
> time on higher bandwidth/lower latency fabrics than gige.

This wasn't our experience in our application which runs over gige (see 
my previous posting).

-stephen

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Stephen Mulcahy, Applepie Solutions Ltd., Innovation in Business Center,
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