From owner-freebsd-hackers@FreeBSD.ORG Fri Apr 18 08:29:32 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9A80D37B401 for ; Fri, 18 Apr 2003 08:29:32 -0700 (PDT) Received: from relay.pair.com (relay.pair.com [209.68.1.20]) by mx1.FreeBSD.org (Postfix) with SMTP id B7B6F43F85 for ; Fri, 18 Apr 2003 08:29:30 -0700 (PDT) (envelope-from silby@silby.com) Received: (qmail 13113 invoked from network); 18 Apr 2003 15:29:29 -0000 Received: from niwun.pair.com (HELO localhost) (209.68.2.70) by relay.pair.com with SMTP; 18 Apr 2003 15:29:29 -0000 X-pair-Authenticated: 209.68.2.70 Date: Thu, 17 Apr 2003 22:25:30 -0500 (CDT) From: Mike Silbersack To: "Jin Guojun [NCS]" In-Reply-To: <3E9F8922.1166ABA8@lbl.gov> Message-ID: <20030417222124.D3757@odysseus.silby.com> References: <3E9F8922.1166ABA8@lbl.gov> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-hackers@freebsd.org cc: freebsd-performance@freebsd.org Subject: Re: patch for test (Was: tcp_output starving -- is due to mbuf get delay?) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Apr 2003 15:29:33 -0000 On Thu, 17 Apr 2003, Jin Guojun [NCS] wrote: > I have modified the sockbuf and mbuf operation to double the throughput over > high bandwidth delay product path. > > The patch is available at: > http://www-didc.lbl.gov/~jin/network/lion/content.html#FreeBSD_Patches > > The current modification is for tcp transmission only. Impressive results, it sounds like we definitely need this improvement (in some form or another.) > Once the tcp_input code is tested, I will submit the patch to bugs@freebsd.org. > I may submit the patch regardless if tcp_input code works or not, because the > tcp > sender (server) is more important in high-speed network than the receiver > (client). > > It is appreciated if any one can verify the patch and provide feedback. > > -- > ------------ Jin Guojun ----------- v --- j_guojun@lbl.gov --- But I don't have time to look at it. :) Keep the patches and benchmarks coming, Mike "Silby" Silbersack