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From devnull@lkml.org Wed Jun 5 12:12:59 2024 Received: from spaans.ds9a.nl (adsl-xs4all.ds9a.nl [213.84.159.51]) by kylie.puddingonline.com (8.11.6/8.11.6) with SMTP id g8HJm6i17959 for ; Tue, 17 Sep 2002 21:48:06 +0200 Received: (qmail 3112 invoked from network); 17 Sep 2002 19:40:07 -0000 Received: from unknown (HELO spaans.ds9a.nl) (3ffe:8280:10:360:202:44ff:fe2a:a1dd) by mayo.ipv6.ds9a.nl with SMTP; 17 Sep 2002 19:40:07 -0000 Received: (qmail 5306 invoked by uid 1000); 17 Sep 2002 19:40:05 -0000 MBOX-Line: From linux-kernel-owner@vger.kernel.org Sun Sep 03 07:15:01 2000 Received: (maildatabase); juh Received: (qmail 1425 invoked by alias); 3 Sep 2000 07:15:01 -0000 Received: (qmail 1422 invoked from network); 3 Sep 2000 07:15:01 -0000 Received: from server.ds9a.tudelft.nl (HELO home.ds9a.nl) (10.0.0.1) by spaans.ds9a.nl with SMTP; 3 Sep 2000 07:15:01 -0000 Received: (qmail 14527 invoked by uid 0); 2 Sep 2000 22:14:41 -0000 Received: from vger.kernel.org (199.183.24.194) by home.ds9a.nl with SMTP; 2 Sep 2000 22:14:41 -0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 2 Sep 2000 18:26:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 2 Sep 2000 18:26:01 -0400 Received: from ix.netcorps.com ([207.1.125.106]:11747 "EHLO ix.netcorps.com") by vger.kernel.org with ESMTP id ; Sat, 2 Sep 2000 18:25:45 -0400 Received: from timpanogas.com ([207.109.151.230]) by ix.netcorps.com (8.9.0/8.9.0) with ESMTP id PAA19553 for ; Sat, 2 Sep 2000 15:14:01 -0700 (PDT) Message-Id: <39B17B23.8A5C666D@timpanogas.com> Date: Sat, 02 Sep 2000 16:11:47 -0600 From: "Jeff V. Merkey" Organization: TRG, Inc. X-Mailer: Mozilla 4.7 [en] (WinNT; I) X-Accept-Language: en Mime-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: [Fwd: zero-copy TCP] Content-Type: multipart/mixed; boundary="------------9077CC9AD2A26A30DDC8EF84" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------9077CC9AD2A26A30DDC8EF84 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit --------------9077CC9AD2A26A30DDC8EF84 Content-Type: message/rfc822 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Mozilla-Status2: 00000000 Message-ID: <39B17AF9.CE4F2C62@timpanogas.com> Date: Sat, 02 Sep 2000 16:11:05 -0600 From: "Jeff V. Merkey" Organization: TRG, Inc. X-Mailer: Mozilla 4.7 [en] (WinNT; I) X-Accept-Language: en MIME-Version: 1.0 To: Jes Sorensen Subject: Re: zero-copy TCP References: <39B1705C.F5510B05@timpanogas.com> <39B1767D.80E159E4@timpanogas.com> <200009022208.AAA02774@lxplus015.cern.ch> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Jes Sorensen wrote: > > >>>>> "Jeff" == Jeff V Merkey writes: > > Jeff> Jes, > > Jeff> I wrote the SMP ODI networking layer in NetWare that used today by > Jeff> over 90,000,000 NetWare users. I also wrote the SMP LLC8022 > Jeff> Stack, the SMP IPX/SPX Stack, and the SMP OSPF TCPIP stack in > Jeff> NetWare. I think I know what the hell I'm doing here. Most > Jeff> Network protocols assume a primary/secondary relationship. The > Jeff> faster you can get requests in and out of a server, the faster the > Jeff> response time on the client for remote file system operation. > > You look at network file system issues and generalize that to generic > networking. I am sorry but I do not think you know a whole lot about > high speed networking. You forget that when talking about fast > networking it depends on what you define as fast. Some people consider > file serving performance others are interested in fast memory to memory > transfers (from data aquisition servers to client processing units for > instance). For bulk data transfers on high speed networks (note I do not > consider 100Mbit/sec Fast Ethernet as a fast network) the real issue is > pipelining through socket buffers and large TCP windows and not latency. > > Besides, the fact that there are 90M netware boxes around doesn't matter > when most of them are running IPX - IPX is braindamage and has nothing > to do with proper networking. > > Jeff> What I wrote is THREE TIMES FASTER THAN WHAT'S IN LINUX. Care to > Jeff> do a challenge. Let's take my NetWare code and see which is > Jeff> faster and lower latency on a Network. Mine or Linux's. I bet > Jeff> you $100.00 it will beat the Linux code in every test. > > I'd love to see a netware box sustain 110MB/sec (MB as in mega byte) > memory to memory in two TCP streams between dual 400MHz P2 boxes. What the hell does a NUMA interconnect have to do with networking. Who would be braindead enough to waste processing cycles passing Network data over a NUMA fabric anyway. There's a lot more efficient ways to connect to boxes with NUMA than using a TCPIP stack on a NUMA interconnect. Jeff > > Jes --------------9077CC9AD2A26A30DDC8EF84-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/