From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764168AbYASEvG (ORCPT ); Fri, 18 Jan 2008 23:51:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761005AbYASEuy (ORCPT ); Fri, 18 Jan 2008 23:50:54 -0500 Received: from one.firstfloor.org ([213.235.205.2]:37116 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757867AbYASEux (ORCPT ); Fri, 18 Jan 2008 23:50:53 -0500 Date: Sat, 19 Jan 2008 05:54:15 +0100 From: Andi Kleen To: Matt Mackall Cc: Andi Kleen , Chodorenko Michail , linux-kernel@vger.kernel.org Subject: Re: PROBLEM: Celeron Core Message-ID: <20080119045415.GA27628@one.firstfloor.org> References: <3ed23423adebae08e8f75b6a6a7ce7ff@one.by> <1200702477.25782.41.camel@cinder.waste.org> <20080119011506.GA23798@one.firstfloor.org> <1200715842.25782.95.camel@cinder.waste.org> <20080119042750.GA24481@one.firstfloor.org> <1200717635.25782.107.camel@cinder.waste.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1200717635.25782.107.camel@cinder.waste.org> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > It will relative to not throttling. No it will not. Please reread Dominik's mail I linked to. It explains it clearly. > You made a claim that is -physically impossible- as stated, a claim I've > seen here before and I'm correcting it. If something reduces heat, it > must save power *by the definition of heat and power*. And if you reduce > power usage, you will make your battery last longer. I think the misunderstanding on your side is relative to what there is less heat. Throttling essentially reduces temporary heat spikes on the silicon, but does not make the system overall take less power or generate less heat as measured over a longer time because it will be idle less. -Andi