Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 10 Nov 2002 19:46:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 10 Nov 2002 19:46:12 -0500 Received: from noodles.codemonkey.org.uk ([213.152.47.19]:37507 "EHLO noodles.internal") by vger.kernel.org with ESMTP id ; Sun, 10 Nov 2002 19:46:12 -0500 Date: Mon, 11 Nov 2002 00:51:43 +0000 From: Dave Jones To: Martin Knoblauch Cc: linux-kernel@vger.kernel.org Subject: Re: Memory performance on Serverworks GC-LE based system poor? Message-ID: <20021111005143.GA22055@suse.de> Mail-Followup-To: Dave Jones , Martin Knoblauch , linux-kernel@vger.kernel.org References: <200211110130.13943.knobi@knobisoft.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200211110130.13943.knobi@knobisoft.de> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 886 Lines: 23 On Mon, Nov 11, 2002 at 01:30:13AM +0100, Martin Knoblauch wrote: > I have experienced extreme low STREAMS numbers (about 600 MB/sec for Triad) > on two dual CPU systems based on the ServerWorks GC-LE chipset (SuperMicro > P4DLR+ mainboard). Both systems had 2x2.4 GHz XEONs, 4GB of DDR memory and > were running kernel 2.4.18. I would usually expect STREAMS numbers of about > 2000 MB/sec for this kind of systems. > > Does this ring any bells? ISTR serverworks LE errata with MTRRs and write-combining. Whether this is biting you or not I can't say. Dave -- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs - 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/