Messages in this thread | | | Date | Mon, 11 Aug 2008 07:12:09 -0700 | From | Arjan van de Ven <> | Subject | Re: cpufreq doesn't seem to work in Intel Q9300 |
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On Mon, 11 Aug 2008 15:07:34 +0100 Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> On Mon, Aug 11, 2008 at 05:02:06PM +0300, Adrian Bunk wrote: > > > This statement is only true for HPC environments and when you > > measure Watts per work done. > > > > But if you have some desktop or server with a load that is > > determined by when it gets used, then p4-clockmod can actually save > > energy when the computer is not under high load or even idle. > > > > Or do I miss anything? > > On modern hardware, the C states will win you more than downclocking > the processor would. >
actually.. p4_clockmod is *NOT* downclocking the processor.. that's the whole problem with it..
-- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org
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