From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Robert Iakobashvili" Subject: Re: Userspace network stack and netchannels. Date: Wed, 26 Sep 2007 12:43:49 +0200 Message-ID: <7e63f56c0709260343y3fc5a9bdxe64fd251e682c883@mail.gmail.com> References: <20070925180043.GA16698@2ka.mipt.ru> <7e63f56c0709251220s12ab10b5pade5b2c90fa4a8b9@mail.gmail.com> <20070926085303.GB13187@2ka.mipt.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: "Evgeniy Polyakov" Return-path: Received: from py-out-1112.google.com ([64.233.166.181]:6668 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757669AbXIZKnv (ORCPT ); Wed, 26 Sep 2007 06:43:51 -0400 Received: by py-out-1112.google.com with SMTP id u77so4098837pyb for ; Wed, 26 Sep 2007 03:43:50 -0700 (PDT) In-Reply-To: <20070926085303.GB13187@2ka.mipt.ru> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 9/26/07, Evgeniy Polyakov wrote: > > > http://tservice.net.ru/~s0mbre/blog/devel/networking/2006_10_26.html > > > http://tservice.net.ru/~s0mbre/blog/devel/networking/2006_12_21.html > > > > > > > Very interesting. Are there any details of your benchmarking available, > > namely, how it was done? > > Have you some comparison profiling data (oprofile) to figure out where > > the advantages are coming from? > My analysis says that reduced number of syscalls is > main improvement factor, Great! Just oprofile of the comparison tests is of my curiosity. > but different (non-rfc-compliant) congestion > control allows faster start and faster recovery. People like compliance to standards, even if it decreases performance. :) Take care. -- Sincerely, Robert Iakobashvili, coroberti %x40 gmail %x2e com ........................................................... http://curl-loader.sourceforge.net A web testing and traffic generation tool.