[Beowulf] Multidimensional FFTs

Greg Lindahl lindahl at pathscale.com
Wed Mar 1 20:42:41 EST 2006


On Wed, Mar 01, 2006 at 10:23:26AM -0800, Konstantin Kudin wrote:

>  Anyway, the "alltoall" can be a real killer. If you want to use lots
> of cpus with really small packets, go for something like Parastation
> MPI ( http://www.parastation.com/ ).

Konstantin,

I take it that you're talking about only gigE? For which Parastation
has a novel non-TCP driver. Another strategy would be to use a
low-latency "ether-not" network.

-- greg


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