Re: CPU throttling??

John Bradford (john@grabjohn.com)
Mon, 3 Feb 2003 19:20:34 +0000 (GMT)


> > > Incidently, Linux has always halted the processor, rather than spun in
> > > an idle loop, which saves power.
> >
> > It's conceivable that a CPU halted at 1.2Gz takes less power than one
> > at 1.6Gz - anybody have any actual data on this? Alternately phrased,
> > does CPU throttling save power over and above what the halt does?
>
> If I slow down my 1GHz CPU to 732MHz, I get 15min more (195min total).
> So it is not much, but noticeable.

Does anybody have any data on frequency throttling on non-X86
architectures?

John.
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