[Beowulf] Has DDR IB gone the way of the Dodo?
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Joe Landman landman at scalableinformatics.comFri Oct 3 13:30:21 PDT 2008
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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 web : http://www.scalableinformatics.com http://jackrabbit.scalableinformatics.com phone: +1 734 786 8423 x121 fax : +1 866 888 3112 cell : +1 734 612 4615
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