From owner-freebsd-performance@FreeBSD.ORG Sun Jun 29 00:14:07 2003 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 92F8C37B401 for ; Sun, 29 Jun 2003 00:14:07 -0700 (PDT) Received: from craig.afraid.org (h24-69-213-234.cc.shawcable.net [24.69.213.234]) by mx1.FreeBSD.org (Postfix) with ESMTP id EB37F43F93 for ; Sun, 29 Jun 2003 00:14:06 -0700 (PDT) (envelope-from craig@craig.afraid.org) Received: from fireball.internal.lan ([10.0.0.2] helo=fireball) by craig.afraid.org with smtp (Exim 4.20) id 19WWNx-0001V9-UV; Sun, 29 Jun 2003 00:14:05 -0700 Message-ID: <000901c33e0e$09266000$0200000a@fireball> From: "Craig Reyenga" To: "David Gilbert" References: <20030628190036.0E06B37B405@hub.freebsd.org> <000f01c33dad$1595a0f0$e602a8c0@flatline> <16126.9805.829406.368426@canoe.velocet.net> <20030629003134.GV71533@klapaucius.zer0.org> <16126.18820.474512.227009@canoe.velocet.net> Date: Sun, 29 Jun 2003 00:14:09 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 cc: freebsd-performance@freebsd.org Subject: Re: Tuning Gigabit X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Craig Reyenga List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Jun 2003 07:14:07 -0000 From: "David Gilbert" > >>>>> "Gregory" == Gregory Sutter writes: > > Gregory> Will you please summarize the motherboard performance data so > Gregory> we know which boards to buy and which to skip? Thanks. > > I've been working on such a summary. So far, the 'nvidia' chipset > boards have all tested badly. They couldn't be coaxed to pass more > than 100meg of traffic by any means we could discern. It's kind of funny that my FIC VA-503+ from 1997 washes the Nvidia aside. > > The K7S5A has been our mainstay. Many of them are DOA, but the ones > that pass a couple weeks of cpuburn (see port) ... both on cpu and > memory tests ... work amazingly well. These boards are limited to 300 > megabit total thruput by being a 33Mhz 32bit PCI bus. > What tools in FreeBSD could you use to see that the PCI bus is the limiting factor? Or is it simply done with a calculator? [snip] -Craig