[rescue] Dave M. - Cray curiosity

Joshua Snyder rescue at sunhelp.org
Mon Jul 30 14:46:18 CDT 2001


Do you run the cray 24/7?  At $.08 per Kw/hour that would be $267.84 per
month... ouch!!

				josh

On Fri, 27 Jul 2001, Dave McGuire wrote:

> On July 27, sambo at charm.net wrote:
> > Just out of curiosity, how much power does your Cray J90 consume? It
> > doesn't need any strange liquid cooling system like the one we used in
> > college, does it?
> 
>   It pulls around 4.5KW.  The vast majority of Cray models are
> liquid-cooled, but there are some air-cooled units.  The Y/MP-EL
> family (two models, much older machines) is air-cooled, the J90 is
> air-cooled, and the T90 is optionally air-cooled if you have only one
> or two processors.
> 
>               -Dave McGuire
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