On 2/28/06, Dave Jones <[email protected]> wrote:
> On Tue, Feb 28, 2006 at 01:46:29PM -0600, Matt Mackall wrote:
> >
> > This is perplexing. Less heat equals less power usage according to the
> > laws of thermodynamics.
>
> you end up taking longer to do the same amount of work, so you
> end up using the same overall power.
>
I'd say that energy usage is the same _per unit of work_. But if you
compare a box that is sitting idle 90% of the time at 0% throttling
vs. a box that is sitting idle 80% of the time with 50% throttling and
neither of these boxes support C2 you'll find that the second box uses
less energy overall.
--
Dmitry
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