Re: CPU default frequency is at 75%
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Tixy <debianuser@tixy.myzen.co.uk> writes:
> On Sat, 2009-09-19 at 10:45 +0200, Merciadri Luca wrote:
>> However, the whole problem is that it does *not* automatically adjust
>> the CPU freq, according to its load.
>
> When doing some video transcoding a while ago, on a Lenny install, I
> noticed that it was using 100% CPU time with the CPU running at only
> 1/3rd of its maximum frequency - this was with it set to 'on demand'.
>
> Changing the process 'niceness' to less than zero made the CPU crank up
> to full speed and the video transcoding doubled in speed. So its
> possible that 'on demand' also means 'but only if you're not too
> nice' :-)
I can feel the difference too, now that I use it conjointly with
cpufreqd. Thanks.
- --
Merciadri Luca
See http://www.student.montefiore.ulg.ac.be/~merciadri/
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