From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934502AbZJNPRb (ORCPT ); Wed, 14 Oct 2009 11:17:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934419AbZJNPRa (ORCPT ); Wed, 14 Oct 2009 11:17:30 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:51540 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934319AbZJNPR2 (ORCPT ); Wed, 14 Oct 2009 11:17:28 -0400 Date: Wed, 14 Oct 2009 16:16:48 +0100 From: Matthew Garrett To: Justin Piszcz Cc: linux-kernel@vger.kernel.org Subject: Re: Question regarding i5/i7 CPUs (1156) - Speed Bins Message-ID: <20091014151648.GA8598@srcf.ucam.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 13, 2009 at 07:55:33PM -0400, Justin Piszcz wrote: > Hello, > > In order to gain the acceleration e.g. 2.93GHz -> 3.6GHz for a single > thread, does one need to use a cpu daemon? No. If you're in P0, the package will run cores at the highest speed it can given the current constraints. -- Matthew Garrett | mjg59@srcf.ucam.org