[Beowulf] scalability

amjad ali amjad11 at gmail.com
Wed Dec 9 17:22:44 PST 2009

Hi all,

I have, with my group, a small cluster of about 16 nodes (each one with
single socket Xeon 3085 or 3110; And I face problem of poor scalability. Its
network is quite ordinary GiGE (perhaps DLink DGS-1024D 24-Port
10/100/1000), store and forward switch, of price about $250 only.

How should I work on that for better scalability?

What could be better affordable options of fast switches? (Myrinet,
Infiniband are quite costly).

When buying a switch what should we see in it? What latency?

Thank you very much.
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