[Beowulf] Really efficient MPIs??
charliep at cs.earlham.edu
Wed Nov 28 08:49:14 EST 2007
On Nov 28, 2007, at 8:04 AM, Jeffrey B. Layton wrote:
> If you don't want to pay money for an MPI, then go with Open-MPI.
> It too can run on various networks without recompiling. Plus it's
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.
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