From owner-freebsd-net@FreeBSD.ORG Tue Jul 8 21:13:49 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 0B93C1065671 for ; Tue, 8 Jul 2008 21:13:49 +0000 (UTC) (envelope-from brian.mcginty@gmail.com) Received: from wf-out-1314.google.com (wf-out-1314.google.com [209.85.200.168]) by mx1.freebsd.org (Postfix) with ESMTP id CBD7B8FC16 for ; Tue, 8 Jul 2008 21:13:48 +0000 (UTC) (envelope-from brian.mcginty@gmail.com) Received: by wf-out-1314.google.com with SMTP id 24so2485634wfg.7 for ; Tue, 08 Jul 2008 14:13:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=h4koFv8oGJ5TSOZbG8/Ly6S+sjwDstfEOGGN60eU6mg=; b=Sa+oD2NoSkwNj2RSwacy3Hr3s5l2nfzps35ee9kh5BRBUdDJrjwS5juhJ0ilomzU8x Jgv753XZI9RZI/4S8ThFNoq1WU+7JfnNA0iv/+JPAtShJl5R1T1Ex0sOQnZin9TuOBSk RD/TIk3vjSmDfzr6lWALjpLh7TCF6RDf5WqhM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=nLH0ifIiIK5iZ5d71a0J4xGESzkJLGUvI5h0smexiZmi6oRVgb9mJIJtT7shkDfpM0 mIyfnkLkJDVP1bIj3Jt6CxWgYq1k0iEJ0oc6vNejQp0n1/WAbq/oSCez2AGJH+xE3CLs FlTxgMpre7cF5LJjC4QehJwpwv1Liu3ATZEM0= Received: by 10.142.223.20 with SMTP id v20mr1970240wfg.81.1215549991747; Tue, 08 Jul 2008 13:46:31 -0700 (PDT) Received: by 10.142.188.14 with HTTP; Tue, 8 Jul 2008 13:46:31 -0700 (PDT) Message-ID: <601bffc40807081346q454c1f40td47a0f54806d8a8c@mail.gmail.com> Date: Tue, 8 Jul 2008 13:46:31 -0700 From: "Brian McGinty" To: "Kip Macy" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <4867420D.7090406@gtcomm.net> <4869B025.9080006@gtcomm.net> <486A7E45.3030902@gtcomm.net> <486A8F24.5010000@gtcomm.net> <486A9A0E.6060308@elischer.org> <486B41D5.3060609@gtcomm.net> <4871E85C.8090907@freebsd.org> <48726422.7050703@gtcomm.net> <200807080107.m6817XxO021966@lava.sentex.ca> Cc: FreeBSD Net , Paul , Andre Oppermann , Mike Tancsa 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: Tue, 08 Jul 2008 21:13:49 -0000 > I have a pre-production card. With some bug fixes and some tuning of > interrupt handling (custom stack - I've been asked to push the changes > back in to CVS, I just don't have time right now) an otherwise > unoptimized igb can forward 1.04Mpps from one port to another (1.04 > Mpps in on igb0 and 1.04 Mpps out on igb1) using 3.5 cores on an 8 > core system. I have a 8 core system running stock Linux that easily does line rate (ie, 1.488 Mpps) on 3 (82575) interfaces. Ie, 3 * 1.48 Mpps! Cheers, Brian. > > -Kip > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >