From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: rps perfomance WAS(Re: rps: question Date: Wed, 14 Apr 2010 22:34:14 +0200 Message-ID: <20100414203414.GT18855@one.firstfloor.org> References: <1265568122.3688.36.camel@bigi> <65634d661002072158r48ec15cag1ca58e704114a358@mail.gmail.com> <1265641748.3688.56.camel@bigi> <1271245986.3943.55.camel@bigi> <1271268242.16881.1719.camel@edumazet-laptop> <1271271222.4567.51.camel@bigi> <20100414124426.6aee95c3@nehalam> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: hadi@cyberus.ca, Eric Dumazet , Tom Herbert , netdev@vger.kernel.org, robert@herjulf.net, David Miller , Changli Gao , Andi Kleen To: Stephen Hemminger Return-path: Received: from one.firstfloor.org ([213.235.205.2]:53552 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756260Ab0DNUeS (ORCPT ); Wed, 14 Apr 2010 16:34:18 -0400 Content-Disposition: inline In-Reply-To: <20100414124426.6aee95c3@nehalam> Sender: netdev-owner@vger.kernel.org List-ID: > RPS might also interact with the core turbo boost functionality on Intel chips. > Newer chips will make a single core faster if other core can be kept idle. In addition to Turbo using less cores can also help to save power. -Andi -- ak@linux.intel.com -- Speaking for myself only.