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DragonFly users List (threaded) for 2005-02
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Re: Dragonfly and Hyperthreading....

From: Garance A Drosihn <drosih@xxxxxxx>
Date: Mon, 21 Feb 2005 16:54:34 -0500

At 1:01 PM -0800 2/21/05, Matthew Dillon wrote:

From the point of view of cpu power per watt AMD wins hands down. As I said, this is becoming the #1 concern for anyone running more then a few machines.

This is certainly noticeable here at RPI. When we're planning for some big computer upgrades, more and more of the time (and money) is spent on issues of power and cooling. There is one upcoming computer cluster which might even go to Apple (*), simply because of 64-bit address space (G5's), combined with lower power requirements. And there are companies like http://www.rackable.com/ and http://www.orionmulti.com/, which are selling products based on very different approaches to the problem. You might think either of the ideas are dumb, but the whole reason they have any customers is because many places are now running into a wall wrt power and cooling requirements.

(* - it isn't *likely* to go to Apple, but Apple is definitely
being considered this time, even though we have pretty much
ignored Apple for the past six years)

My own office just got some "remodeling" to put vents in the door,
because the room is heating up too much with the few computers
that I have in here...

Garance Alistair Drosehn            =   gad@xxxxxxxxxxxxxxxxxxxx
Senior Systems Programmer           or  gad@xxxxxxxxxxx
Rensselaer Polytechnic Institute    or  drosih@xxxxxxx

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