[Beowulf] MS Cray

Robert G. Brown rgb at phy.duke.edu
Thu Sep 18 10:54:00 PDT 2008

On Thu, 18 Sep 2008, Andrew M.A. Cater wrote:

> Cost of a decent motherboard these days with dual core/ dual processors?

www.pricewatch.com is one of your many friends here.

> I may have to replace a very early Tyan with dual Opterons at 1.6G but
> have case/disks/reasonable PSU. Damn thing keeps throwing kernel panics and
> being temperature sensitive - but it's been my literal under office desk
> "supercomputer" for about three years and, because it has wheels,
> follows me from desk to desk.

Nowadays I think a single processor, quad core is likely to be cheapest
per nominal aggregate cycle, although there is also a quad processor,
dual core by somebody -- Supermicro?  that looks interesting and might
be a hair cheaper.  But of course what processor/core combination is
best for you likely depends on how solidly you're CPU vs memory bound.

> Deskside socket is 230V at 5A and the office has standard aircon: 12 x
> Intel 330 dual core Atoms in a lunchbox, anyone?

Hmmm, not a lot of headroom there.  Better not get a CX1, even as a


> Andy
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Robert G. Brown                            Phone(cell): 1-919-280-8443
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