[Beowulf] Multidimensional FFTs
lindahl at pathscale.com
Wed Mar 1 17:42:41 PST 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/ ).
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.
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