crp at cmc.net
Mon Jan 5 01:32:32 UTC 2009
Markus Hitter wrote:
> Am 03.01.2009 um 06:32 schrieb Ray Parrish:
>> When it comes to the computer however, I'm not worried about the
>> cpu which uses about 10% of the power one of my light bulbs use.
> You have interesting light bulbs, then. Commodity desktop PCs take at
> least 100 Watts. High performance PCs can take 500 Watts or more.
> Independently from your light bulbs however, there's really no reason
> to run a higher clock frequency while the PC is idle. Actually, if
> you even notice a difference between higher frequency on demand and
> higher frequency all the time there's likely something wrong with
> frequency ramping and you should fix this instead of letting your
> processor run in circles 2000 million times a second all the time.
> Fixing things helps millions of others as well, so there can be a
> really noticeable power saving.
> - - - - - - - - - - - - - - - - - - -
> Dipl. Ing. Markus Hitter
And, as to the processor running in circles all the time... it
doesn't... it only runs when not idle, as in only when it's actually
Later, Ray Parrish
http://www.rayslinks.com/ Web index of human reviewed links.
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