[Beowulf] many cores and ib

Greg Lindahl lindahl at pbm.com
Mon May 5 13:32:41 PDT 2008

On Mon, May 05, 2008 at 10:01:42AM -0700, Gilad Shainer wrote:

> According to OSU benchmarks, InfiniHost III Ex provides >20M MPI message
> per second.

And we should all remember that this test result uses message
coalescing, which in real life will not help many-core nodes talking
to lots of other nodes. It only helps 2 nodes talking to only each

I mean, you'd hate to mislead your customers about the performance of
your HCA, right? Still, you should be applauded for not only using
latency and bandwidth.

-- greg

More information about the Beowulf mailing list