[Beowulf] IB Cluster Configuration Options
hunting at ix.netcom.com
Thu Jul 28 23:21:02 PDT 2005
We're working on a 64 node dual core Opteron cluster with a wide variety of
mpi heavy applications and have run into the typical funding issues that
are forcing some configuration restrictions (down sizing the wish list).
The original concept included a 64 node, dual processor, dual core cluster
with an Infiniband 9288 or 9096.
As a means to reduce our cost the suggestion was raised to cascade 4 9024
switches, or reducing the node count, Opteron clock rate, and memory. Just
wondering how severe the hop penalty might be in the case of cascading
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