From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bas Mevissen Subject: Re: Which cpufreq driver is best for ... Date: Thu, 04 Sep 2003 14:25:39 +0200 Sender: cpufreq-bounces@www.linux.org.uk Message-ID: <3F572F43.108@basmevissen.nl> References: <20030903055749.GA21721@gamma.logic.tuwien.ac.at> <3F55D261.6010407@basmevissen.nl> <20030903193040.GB30360@brodo.de> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20030903193040.GB30360@brodo.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: cpufreq-bounces@www.linux.org.uk Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Dominik Brodowski Cc: cpufreq@www.linux.org.uk Dominik Brodowski wrote: > On Wed, Sep 03, 2003 at 01:37:05PM +0200, Bas Mevissen wrote: > >>It depends on what you want. If you want to get battery life to the max >>(and power consumption/heat production as low as possible), you need >>p4-clockmod. > > Well, if you run CPU hogs, the p4-clockmod driver indeed prolongs battery > life and reduces heat production. But less work is done, also. So the ratio > > amount of energy > ---------------- > amount of work > > is better (lower) for the speedstep-ich driver than for the p4-clockmod > driver. > Yes, I should have mentioned that my remark only applied to wall time battery life without taking CPU idleing into account. Regards, Bas.