Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262482AbTIJLRb (ORCPT ); Wed, 10 Sep 2003 07:17:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262514AbTIJLRT (ORCPT ); Wed, 10 Sep 2003 07:17:19 -0400 Received: from dyn-ctb-203-221-72-196.webone.com.au ([203.221.72.196]:39430 "EHLO chimp.local.net") by vger.kernel.org with ESMTP id S262482AbTIJLRQ (ORCPT ); Wed, 10 Sep 2003 07:17:16 -0400 Message-ID: <3F5F0820.3090003@cyberone.com.au> Date: Wed, 10 Sep 2003 21:16:48 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030827 Debian/1.4-3 X-Accept-Language: en MIME-Version: 1.0 To: Luca Veraldi CC: Arjan van de Ven , linux-kernel Subject: Re: Efficient IPC mechanism on Linux References: <00f201c376f8$231d5e00$beae7450@wssupremo> <20030909175821.GL16080@Synopsys.COM> <001d01c37703$8edc10e0$36af7450@wssupremo> <20030910064508.GA25795@Synopsys.COM> <015601c3777c$8c63b2e0$5aaf7450@wssupremo> <1063185795.5021.4.camel@laptop.fenrus.com> <20030910095255.GA21313@mail.jlokier.co.uk> <20030910120729.C14352@devserv.devel.redhat.com> <20030910103752.GC21313@mail.jlokier.co.uk> <20030910124151.C9878@devserv.devel.redhat.com> <02bc01c37789$ebfa9a40$5aaf7450@wssupremo> In-Reply-To: <02bc01c37789$ebfa9a40$5aaf7450@wssupremo> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 611 Lines: 23 Luca Veraldi wrote: >>Memory is sort of starting to be like disk IO in this regard. >> > >Good. So the less you copy memory all around, the better you permorm. > Hi Luca, There was a zero-copy pipe implementation floating around a while ago I think. Did you have a look at that? IIRC it had advantages and disadvantages over regular pipes in performance. Nick - 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/