[Beowulf] Virginia Tech upgrade

[Robert Latham]

On Tue, Jan 27, 2004 at 03:35:40PM -0600, Dean Johnson wrote:
> They say that the upgraded machine will give off less heat. If I am not
> mistaken, its the same damn cpus in a different box and the power supply
> will be roughly the same ratings. Am missing something?

On Tue, Jan 27, 2004 at 04:41:01PM -0500, Vann H. Walke wrote:
> "The new system will take much less power and generate less heat and
> free up space."
> 
> Ok, the space reduction is obvious.  Anyone know why the power/heat is
> going down?  

Different cpus.

http://www.theregister.co.uk/content/39/35057.html

new 90nm chips throw off 24W at 1.4 GHz, down from 51 W at 1.8 GHz in
the older 130nm models

==rob

-- 
Rob Latham
Mathematics and Computer Science Division    A215 0178 EA2D B059 8CDF
Argonne National Labs, IL USA                B29D F333 664A 4280 315B
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