DynamicClocks on R200

Alex Deucher alexdeucher at gmail.com
Sun Jul 24 08:21:28 PDT 2005


On 7/24/05, Patrick McFarland <pmcfarland at downeast.net> wrote:
> I was reading the radeon manpage, and I saw DynamicClocks, and it said I could
> save power, but it possibly could decrease speed in some cases. So, I thought
> to my self, "my machine uses a lot of power as it is, so lets turn that on."
> 
> Before turning it on, I ran the good ole glxgears, and it gave me consistant
> scores if slightly below 2000 fps. With it on, however, glxgears gives me
> scores consistently slightly above 2100 fps. What gives?

tough to say.  It could be that the default clocks as the bios sets
them up are not quite optimal and when dynamicclocks is enabled, the
high end gets a little higher.  One thing to note, if you have a
desktop chip, dynamicclocks does nothing as the code is only executed
on mobility chips.

Alex

> 
> --
> Patrick "Diablo-D3" McFarland || pmcfarland at downeast.net
> "Computer games don't affect kids; I mean if Pac-Man affected us as kids, we'd
> all be running around in darkened rooms, munching magic pills and listening to
> repetitive electronic music." -- Kristian Wilson, Nintendo, Inc, 1989
> 
>



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