From: Dave Jones <davej@codemonkey.org.uk>
To: Valdis.Kletnieks@vt.edu
Cc: John Bradford <john@grabjohn.com>,
Seamus <assembly@gofree.indigo.ie>,
linux-kernel@vger.kernel.org
Subject: Re: CPU throttling??
Date: Mon, 3 Feb 2003 19:02:05 +0000 [thread overview]
Message-ID: <20030203190205.GA15256@codemonkey.org.uk> (raw)
In-Reply-To: <200302031857.h13IvHa0025735@turing-police.cc.vt.edu>
On Mon, Feb 03, 2003 at 01:57:17PM -0500, Valdis.Kletnieks@vt.edu wrote:
> 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?
Given that most decent implementations scale voltage as well as
frequency, yes, a lower speed will save more power.
Dave
--
| Dave Jones. http://www.codemonkey.org.uk
next prev parent reply other threads:[~2003-02-03 18:56 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-03 15:47 Joeri Belis
2003-02-03 16:55 ` CPU throttling?? Seamus
2003-02-03 17:00 ` Dave Jones
2003-02-03 17:04 ` Martin Hermanowski
2003-02-03 17:13 ` John Bradford
2003-02-03 18:57 ` Valdis.Kletnieks
2003-02-03 19:02 ` Dave Jones [this message]
2003-02-03 19:09 ` Martin Hermanowski
2003-02-03 19:20 ` John Bradford
2003-02-04 14:12 ` Erik Mouw
2003-02-03 19:14 ` Matt Reppert
2003-02-03 19:24 ` Valdis.Kletnieks
2003-02-04 14:34 ` Daniel Egger
-- strict thread matches above, loose matches on Subject: below --
2003-02-03 21:14 Grover, Andrew
2003-02-03 21:18 ` Dave Jones
2003-02-03 21:41 ` John Bradford
2003-02-03 22:14 ` H. Peter Anvin
2003-02-03 22:31 ` Ville Herva
2003-02-04 10:22 ` Seamus
2003-02-04 10:31 ` John Bradford
2003-02-04 11:01 ` Seamus
2003-02-03 21:51 Grover, Andrew
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