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From: Arjan van de Ven <arjan@infradead.org>
To: Thomas Renninger <trenn@suse.de>
Cc: David C Niemi <dniemi@verisign.com>,
	cpufreq@vger.kernel.org, discuss@lesswatts.org,
	linux-pm@lists.linux-foundation.org
Subject: Re: Improving High-Load Performance with the Ondemand Governor [PATCH ATTACHED]
Date: Fri, 17 Sep 2010 06:46:00 -0700	[thread overview]
Message-ID: <20100917064600.5d478658@infradead.org> (raw)
In-Reply-To: <201009171125.44403.trenn@suse.de>

On Fri, 17 Sep 2010 11:25:44 +0200
Thomas Renninger <trenn@suse.de> wrote:

> On the Opteron or Xeon system? That would mean that reducing frequency
> from OS still is an important power consumption knob even on latest
> Westmere systems.

it is for staying out of the turbo range. the turbo range is not power
efficient (but good for performance)

below turbo, the actual impact is a LOT less....

-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org

  parent reply	other threads:[~2010-09-17 13:46 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-09 14:28 Improving High-Load Performance with the Ondemand Governor David C Niemi
2010-09-10  7:40 ` Andi Kleen
2010-09-13 20:18   ` David C Niemi
2010-09-13 20:54     ` Andi Kleen
2010-09-13 22:02       ` David C Niemi
2010-09-16 20:39 ` Improving High-Load Performance with the Ondemand Governor [PATCH ATTACHED] David C Niemi
2010-09-17  9:25   ` Thomas Renninger
2010-09-17 13:45     ` David C Niemi
2010-09-18 10:13       ` [linux-pm] " Sripathy, Vishwanath
2010-09-17 13:46     ` Arjan van de Ven [this message]
2010-09-29 18:18   ` Venkatesh Pallipadi

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