From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pavel Machek <pavel@ucw.cz>
Subject: Re: [RFC][PATCH 12/12] PM / r8169: Add simplified run-time PM
 support
Date: Mon, 4 Jan 2010 22:00:40 +0100
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> > > > Which means it saves 0.6W :-). Measuring power in Wh/h is "interesting".
> > > 
> > > You can't save power, you can only save energy.  Wh is just an energy unit.
> > 
> > Of course we can save power, you just did :-).
> > 
> > (And in some cases -- data centers, limited cooling -- you are limited
> > by power, not energy.
> 
> But still energy is what you pay for, isn't it?

Energy is what you pay for, but if you eat too much power, data centre
overheats and goes down.

> > You are right that on notebooks, energy is more important.)
> 
> You may require less power to run, so if that's what you mean by "saving", then
> I agree. :-)

Yes, that's what I meant by saving :-), and yes, they are very
related.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
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