Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 6 Dec 2001 23:12:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 6 Dec 2001 23:12:31 -0500 Received: from mercury.ccmr.cornell.edu ([128.84.231.97]:62478 "EHLO mercury.ccmr.cornell.edu") by vger.kernel.org with ESMTP id ; Thu, 6 Dec 2001 23:12:25 -0500 From: Daniel Freedman Date: Thu, 6 Dec 2001 23:12:25 -0500 To: linux-kernel@vger.kernel.org Subject: Re: TCP performance eepro100 Message-ID: <20011206231225.A32585@ccmr.cornell.edu> Mail-Followup-To: linux-kernel@vger.kernel.org In-Reply-To: <054401c17ed2$3b03a0d0$0f00a8c0@minniemouse> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: <054401c17ed2$3b03a0d0$0f00a8c0@minniemouse>; from marsaro@interearth.com on Thu, Dec 06, 2001 at 07:49:53PM -0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 06, 2001, Jon wrote: > Has anyone done testing on eepro100 and seen really poor performance? I am > seeing that the eepro100 in SuSE 2.4.7 and above is 50% slower than than > 2.4.2 in RH 7.1 I am doing a simple test with ttcp against another RH server > and then SuSE vs SuSE or vs the RH system. In all cases the eepro100at best > shows 39mbs. In modules.conf I am setting options="0x30" that forces 100mbps > Full Duplex, this is also reflected in dmesg. With the new intel e100 it is > possible to get 60mbps on SuSE. Is there something in the Kernel build or > Driver build that is multi-casting or filtering that may cause this? Any > ideas at this point would help. BTW, I am using SMP Kernels on all the > systems. Jon, No great thoughts other than to report that I did netpipe-tcp (from Debian woody) testing of my eepro100's using a custom SMP 2.4.9 kernel, and easily saw 90 megabits per second. Sorry I couldn't help more. Take care, Daniel > Regards, > > Jon > -- Daniel A. Freedman Laboratory for Atomic and Solid State Physics Department of Physics Cornell University - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/