[Beowulf] Cheap SDR IB
daniel.pfenniger at obs.unige.ch
Fri Feb 1 14:56:35 PST 2008
Mark Hahn wrote:
>>> If I had just 2 fat nodes could I connect the HCAs directly to each
>>> other and avoid the switch costs?
>> Yes. With 3 nodes it might be cheaper having 2 HCA per node, 6 cables,
>> than the switch solution.
> with 3 nodes, each with a two ports,
> wouldn't you need just 3 cables?
Yes, I forgot to divide by 2!
Some HCA have 2 ports, so they would be indicated for a 3 node
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