[Beowulf] Has DDR IB gone the way of the Dodo?
Joe Landman
landman at scalableinformatics.com
Fri Oct 3 13:30:21 PDT 2008
Greg Lindahl wrote:
> Of course, your "latency and bandwidth" benchmark won't see this
> problem, because it only uses a single core, and it sends the same
> buffer over and over without touching it.
Yup.
We have a storage test using MPI that has each node generate random
numbers, and passes the buffer around the nodes for IO. The idea is of
course to get a little closer to actual use cases ...
--
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
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