From: Wes Felter <wesley@felter.org>
To: linux-kernel@vger.kernel.org
Cc: cpufreq@lists.linux.org.uk
Subject: Re: Status of X86_P4_CLOCKMOD?
Date: Mon, 27 Feb 2006 15:17:37 -0600 [thread overview]
Message-ID: <dtvqaa$1et$1@sea.gmane.org> (raw)
In-Reply-To: <20060225125337.GB8698@linuxtv.org>
Johannes Stezenbach wrote:
> If someone has done measurements I'd be interested to
> know the numbers about the actual power savings which
> can be achieved by using P4 clock mod. I don't expect
> it to be much, but I bet it's more than 1W.
Clock modulation can reduce power by 40W on a 3.6GHz Xeon when the
system is running a high-power application (e.g. Linpack). (It also
reduces performance by a factor of 6-10). Clock modulation saves no
power at all during idle.
Wes Felter - wesley@felter.org
next prev parent reply other threads:[~2006-02-27 21:19 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-14 15:22 [2.6 patch] make INPUT a bool Adrian Bunk
2006-02-14 18:14 ` Jan Engelhardt
2006-02-14 18:22 ` Adrian Bunk
2006-02-14 23:47 ` Adrian Bunk
2006-02-17 15:56 ` Jan Engelhardt
2006-02-17 16:38 ` Adrian Bunk
2006-02-20 3:33 ` Samuel Masham
2006-02-20 13:28 ` Adrian Bunk
2006-02-22 1:34 ` Herbert Poetzl
2006-02-22 2:31 ` Adrian Bunk
2006-02-22 2:44 ` Herbert Poetzl
2006-02-22 3:10 ` Adrian Bunk
2006-02-22 3:20 ` Dmitry Torokhov
2006-02-23 19:59 ` Status of X86_P4_CLOCKMOD? Adrian Bunk
2006-02-23 20:41 ` Dave Jones
2006-02-23 23:15 ` Andi Kleen
2006-02-23 23:33 ` Adrian Bunk
2006-02-23 23:55 ` Andi Kleen
2006-02-24 2:39 ` Adrian Bunk
2006-02-24 2:42 ` Andi Kleen
2006-02-24 17:33 ` Adrian Bunk
2006-02-25 1:57 ` Johannes Stezenbach
2006-02-25 4:24 ` Dave Jones
2006-02-25 12:53 ` Johannes Stezenbach
2006-02-27 21:17 ` Wes Felter [this message]
2006-02-25 4:27 ` Andi Kleen
2006-02-25 12:53 ` Adrian Bunk
2006-02-25 13:28 ` Dominik Brodowski
2006-02-26 11:12 ` Pavel Machek
2006-02-26 20:39 ` Johannes Stezenbach
2006-02-26 20:55 ` Dominik Brodowski
2006-02-26 23:37 ` Johannes Stezenbach
2006-02-25 13:36 ` Andi Kleen
2006-02-25 13:05 ` Johannes Stezenbach
2006-02-28 19:46 ` Matt Mackall
2006-02-28 20:09 ` Dave Jones
2006-02-28 20:19 ` Dmitry Torokhov
2006-02-28 20:47 ` Matt Mackall
2006-02-28 20:57 ` Dominik Brodowski
2006-02-28 21:26 ` Matt Mackall
2006-02-28 21:34 ` Dominik Brodowski
2006-02-28 21:39 ` Dmitry Torokhov
2006-02-28 22:22 ` Andi Kleen
2006-02-22 12:01 ` [2.6 patch] make INPUT a bool Herbert Poetzl
2006-02-22 12:15 ` Adrian Bunk
2006-02-22 18:09 ` Herbert Poetzl
2006-02-25 11:58 ` Geert Uytterhoeven
2006-02-25 12:46 ` Adrian Bunk
2006-02-25 14:22 ` Jan Engelhardt
2006-02-25 14:50 ` Adrian Bunk
2006-02-25 15:29 ` Jan Engelhardt
2006-02-25 15:40 ` Adrian Bunk
2006-02-25 22:01 ` Jan Engelhardt
2006-02-25 22:07 ` Adrian Bunk
2006-02-25 22:23 ` Dmitry Torokhov
2006-02-26 18:13 ` Adrian Bunk
2006-02-27 7:11 ` Vojtech Pavlik
2006-02-27 12:59 ` Vojtech Pavlik
2006-02-25 14:57 ` Jesper Juhl
2006-02-15 6:20 ` Dmitry Torokhov
2006-02-16 23:22 ` Adrian Bunk
2006-02-17 1:47 ` Dmitry Torokhov
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