Processor Scaling

[Ray Parrish]

Francisco Borges wrote:
> On Fri, Jan 2, 2009 at 11:40 PM, Steve Flynn <anothermindbomb at gmail.com> wrote:
>   
>> On Fri, Jan 2, 2009 at 10:25 PM, Lubbers, Nicholas
>> <nlubbers at shopthepig.com> wrote:
>>
>>     
>>> I have discovered that my sytem has processor scaling, and most of the
>>> time my system is running at half speed. How do I disable processor
>>> scaling so I can run at full speed at all times?
>>>       
>> Unless you're experiencing an issue with processor scaling, you want
>> your processor to run as the slowest speed possible to conserve
>> energy. By turning it off, your machine will be sucking more juice and
>> running hotter. The processor will ramp the speed up as it's required.
>>     
>
> Not quite the case with modern processors. See link below.
>
>   
>> Really though, you're not gaining anything other that a higher
>> electricity bill or significantly lower batters life on a laptop.
>>     
>
> IF his processor can actually save lots on idle, he should actually
> run it at full speed. All the time.
>
> http://www.lesswatts.org/projects/applications-power-management/race-to-idle.php
>
> Note that I don't know if turning off scaling at the BIOS would still
> allow the savings to kick in through P-state setting.
>
> HTH, and with kind regards,
>   
Now add to that the fact that my computer no longer grays out windows I 
am switching to when switching programs since I set it to top speed all 
the time, and I think I'll keep it this way. 8-)

later, Ray Parrish

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