Beowulf with Gigabit Ethernet
Øystein Gran Larsen
gran at scali.no
Thu Jan 10 06:42:55 PST 2002
Alberto Ramos wrote:
> Hi all. Im new to this world, but here in one university of Madrid, we are
> planning to construct a beowulf for lattice QCD numerical simulations.
>
> We are thinking in 8-16 dual Athlon MP processors based in the new Tyan
> MPX mainboard. We have a problem with the comunication. Myrinet is very
> expensive for us, and we are thinking in Gigabit over cooper, but we dont
> know if this has some problems with latencies. In other words, Do you think
> that the improvement from fast Ethernet to Gigabit over cooper Ethernet is
> good enougth?
>
> Also we dont know very well what the latencies of gigabit over cooper are
> compared with fast ethernet and myrinet, maybe some of us can help us.
>
> Thanks to all.
>
> Alberto.
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Check our ScaMPI datasheet at www.scali.com/download/doc/ScaMPI-DS-A4.pdf.
It uses ping-pong performance to illustrate the performance of SCI, Myrinet and Ethernets.
-Øystein
--
Øystein Gran Larsen, Dr.Scient mailto:gran at scali.no Tel:+47 2262-8982
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