Processor Scaling

[Ray Parrish]

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.
>
>
> MarKus
>
> - - - - - - - - - - - - - - - - - - -
> Dipl. Ing. Markus Hitter
> http://www.jump-ing.de/
>
>
>
>
>
>   
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 
doing something.

Later, Ray Parrish

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