From owner-freebsd-net@FreeBSD.ORG Wed Jul 4 19:37:18 2012 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 6D6F81065679; Wed, 4 Jul 2012 19:37:18 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id F280E8FC16; Wed, 4 Jul 2012 19:37:17 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:759c:53a8:297e:6095]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPA id 700014AC1C; Wed, 4 Jul 2012 23:37:08 +0400 (MSK) Date: Wed, 4 Jul 2012 23:37:05 +0400 From: Lev Serebryakov Organization: FreeBSD X-Priority: 3 (Normal) Message-ID: <17110267579.20120704233705@serebryakov.spb.ru> To: "Alexander V. Chernikov" In-Reply-To: <4FF402D1.4000505@FreeBSD.org> References: <4FF319A2.6070905@FreeBSD.org> <4FF361CA.4000506@FreeBSD.org> <20120703214419.GC92445@onelab2.iet.unipi.it> <4FF36438.2030902@FreeBSD.org> <4FF3E2C4.7050701@FreeBSD.org> <4FF3FB14.8020006@FreeBSD.org> <4FF402D1.4000505@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1251 Content-Transfer-Encoding: quoted-printable Cc: Doug Barton , net@freebsd.org Subject: Re: FreeBSD 10G forwarding performance @Intel X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: lev@FreeBSD.org List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Jul 2012 19:37:18 -0000 Hello, Alexander. You wrote 4 =E8=FE=EB=FF 2012 =E3., 12:46:09: AVC> http://shader.kaist.edu/packetshader/ (and links there) are good examp= le AVC> of what is going on. But HOW?! GPU has very high "preparation" and data transfer cost, how it could be used for such small packets of data, as 1.5-9K datagrams?! --=20 // Black Lion AKA Lev Serebryakov