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From: Dave Jones <davej@redhat.com>
To: David Kar-Fai Tam <tamda@eecg.toronto.edu>
Cc: cpufreq@www.linux.org.uk
Subject: Re: Dynamic frequency governor
Date: Wed, 22 Oct 2003 00:19:54 +0100	[thread overview]
Message-ID: <20031021231953.GB1528@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0310211744210.27611-100000@cat.eecg.toronto.edu>

On Tue, Oct 21, 2003 at 06:21:37PM -0400, David Kar-Fai Tam wrote:

 > I did a quick text search on the website of the above address and I 
 > couldn't find "voltage" mentioned anywhere. That is, I couldn't find any 
 > mention of dynamic "voltage" scaling as a technique for saving power.
 > They only talk about is using the technique of "frequency" scaling to 
 > save power.
 > 
 > With DVS algorithms, we are attempting to dynamically change the voltage 
 > to save power. The fact that the frequency varies is just a side effect.

Not all implementations can scale voltage.

		Dave

-- 
 Dave Jones     http://www.codemonkey.org.uk

  reply	other threads:[~2003-10-21 23:19 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-20 17:08 Dynamic frequency governor Moore, Robert
2003-10-21 20:31 ` Dave Jones
2003-10-21 22:21   ` David Kar-Fai Tam
2003-10-21 23:19     ` Dave Jones [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-10-20 16:33 Moore, Robert
2003-10-20 17:00 ` Dave Jones
2003-10-20 17:12   ` Daniel Thor Kristjansson
2003-10-20 17:25   ` Ducrot Bruno
2003-10-20 17:32     ` Dave Jones
2003-10-20 17:35       ` Ducrot Bruno
2003-10-20 18:10         ` Dave Jones
2003-10-20 23:28         ` Sven Dowideit
2003-10-20 15:31 Moore, Robert
2003-10-20 15:39 ` Dave Jones
2003-10-17 21:14 Moore, Robert
2003-10-18  5:00 ` Jeremy Fitzhardinge
2003-10-18  5:58   ` Vivek Haldar
2003-10-19 21:34     ` Jeroen van der Vegt
2003-10-18  6:44 ` David Kar-Fai Tam
2003-12-22 21:41   ` David Kar-Fai Tam
2004-02-14 17:09     ` Dominik Brodowski
2003-10-19 13:24 ` Dave Jones
2003-10-20 15:40 ` Daniel Thor Kristjansson

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