From owner-freebsd-net@FreeBSD.ORG Thu Jul 3 10:52:19 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 393BB1065679 for ; Thu, 3 Jul 2008 10:52:19 +0000 (UTC) (envelope-from if@xip.at) Received: from chile.gbit.at (ns1.xip.at [193.239.188.99]) by mx1.freebsd.org (Postfix) with ESMTP id 6A77A8FC1D for ; Thu, 3 Jul 2008 10:52:18 +0000 (UTC) (envelope-from if@xip.at) Received: (qmail 20075 invoked from network); 3 Jul 2008 12:52:17 +0200 Received: from unknown (HELO filebunker.xip.at) (86.59.10.180) by chile.gbit.at with (DHE-RSA-AES256-SHA encrypted) SMTP; 3 Jul 2008 12:52:17 +0200 Date: Thu, 3 Jul 2008 12:52:17 +0200 (CEST) From: Ingo Flaschberger To: Paul In-Reply-To: <486C7611.9030905@gtcomm.net> Message-ID: References: <4867420D.7090406@gtcomm.net> <200806301944.m5UJifJD081781@lava.sentex.ca> <20080701004346.GA3898@stlux503.dsto.defence.gov.au> <20080701010716.GF3898@stlux503.dsto.defence.gov.au> <486986D9.3000607@monkeybrains.net> <48699960.9070100@gtcomm.net> <20080701033117.GH83626@cdnetworks.co.kr> <4869ACFC.5020205@gtcomm.net> <4869B025.9080006@gtcomm.net> <486A7E45.3030902@gtcomm.net> <486A8F24.5010000@gtcomm.net> <486A9A0E.6060308@elischer.org> <486B41D5.3060609@gtcomm.net> <486C7611.9030905@gtcomm.net> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: FreeBSD Net Subject: Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Jul 2008 10:52:19 -0000 Dear Paul, > Tomorrow comes opteron 2222 so it's 1ghz faster than this one, and I can see > if it scales directly with cpu speed or what happens. can you send me a lspci -v? > I did another SMP test with an interesting results. I took one of the cpus > out of the machine, so it was just left with a single 2212 (dual core) > and it performed better. Less contention I suppose? in smp locking is a performance killer. My next "router" appliance will be: http://www.axiomtek.com.tw/products/ViewProduct.asp?view=429 Kind regards, Ingo Flaschberger