From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264277AbTKZSuf (ORCPT ); Wed, 26 Nov 2003 13:50:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264278AbTKZSuf (ORCPT ); Wed, 26 Nov 2003 13:50:35 -0500 Received: from adsl-63-194-239-202.dsl.lsan03.pacbell.net ([63.194.239.202]:51983 "EHLO mmp-linux.matchmail.com") by vger.kernel.org with ESMTP id S264277AbTKZSue (ORCPT ); Wed, 26 Nov 2003 13:50:34 -0500 Date: Wed, 26 Nov 2003 10:50:28 -0800 From: Mike Fedyk To: John Bradford Cc: Andi Kleen , "David S. Miller" , linux-kernel@vger.kernel.org Subject: Re: Fire Engine?? Message-ID: <20031126185028.GA1566@mis-mike-wstn.matchmail.com> Mail-Followup-To: John Bradford , Andi Kleen , "David S. Miller" , linux-kernel@vger.kernel.org References: <20031125183035.1c17185a.davem@redhat.com.suse.lists.linux.kernel> <200311261135.hAQBZ3Ku000202@81-2-122-30.bradfords.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200311261135.hAQBZ3Ku000202@81-2-122-30.bradfords.org.uk> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 26, 2003 at 11:35:03AM +0000, John Bradford wrote: > Quote from Andi Kleen : > > "David S. Miller" writes: > > > > > > So his claim is that, in their mesaurements, "CPU utilization" > > > was lower in their stack. Was he using 2.6.x and TSO capable > > > cards on the Linux side? If not, it's not apples to apples > > > against are current upcoming technology. > > > > Maybe they just have a better copy_to_user(). That eats most time anyways. > > > > I think there are definitely areas of improvements left in current TCP. > > It has gotten quite fat over the last years. > > On the subject of general networking performance in Linux, I thought > this set of benchmarks was quite interesting: > > http://bulk.fefe.de/scalability/ No such file or directory.