disable cpuspeed while X session active and screensaver not running

Florin Andrei florin at andrei.myip.org
Mon Oct 15 18:29:10 UTC 2007

Arjan van de Ven wrote:
> On Thu, 11 Oct 2007 10:32:55 -0700
> Florin Andrei <florin at andrei.myip.org> wrote:
>> On Fedora 7, running on an AMD64 dual core 6400, I disabled cpuspeed.
>> The results are incredible. Because the CPU clock stays up all the
>> time at 3.2GHz, instead of being pushed down most of the time to
>> 1GHz, the system feels much faster. All desktop apps seem to react
>> 10x faster. It's like upgrading from 486 to P3
>> The difference in CPU temperature after stopping cpuspeed is barely 
>> noticeable.
> are you using the ondemand governer?
> if so.. can you try the latest hal/gnome-power-manager? (they used to
> change some tunings that ended up not meaning what was intended)

I just use whatever's the default in F7

If the latest hal/gnome-power-manager are included in the F8 test 
releases, then I might be able to test that.

> I'm also surprised.. reaction time doesn't really depend on clock
> speed...

The difference is quite visible. This feels like a different system now.

Florin Andrei


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