From owner-freebsd-current@FreeBSD.ORG Tue Jan 16 18:30:19 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0BD6916A47E for ; Tue, 16 Jan 2007 18:30:18 +0000 (UTC) (envelope-from julian@elischer.org) Received: from outW.internet-mail-service.net (outW.internet-mail-service.net [216.240.47.246]) by mx1.freebsd.org (Postfix) with ESMTP id 0A7D813C4BC for ; Tue, 16 Jan 2007 18:30:17 +0000 (UTC) (envelope-from julian@elischer.org) Received: from shell.idiom.com (HELO idiom.com) (216.240.47.20) by out.internet-mail-service.net (qpsmtpd/0.32) with ESMTP; Tue, 16 Jan 2007 10:10:43 -0800 Received: from [10.251.23.190] (nat.ironport.com [63.251.108.100]) by idiom.com (Postfix) with ESMTP id 69794125B2B; Tue, 16 Jan 2007 10:30:11 -0800 (PST) Message-ID: <45AD19B2.6010806@elischer.org> Date: Tue, 16 Jan 2007 10:30:10 -0800 From: Julian Elischer User-Agent: Thunderbird 1.5.0.9 (Macintosh/20061207) MIME-Version: 1.0 To: Attilio Rao References: <3bbf2fe10607250813w8ff9e34pc505bf290e71758@mail.gmail.com> <3bbf2fe10607250814m1a476f09p2d962dedc0c99be1@mail.gmail.com> <200607251232.51230.jhb@freebsd.org> <3bbf2fe10607251004wf94e238xb5ea7a31c973817f@mail.gmail.com> <3bbf2fe10607261127p3f01a6c3w80027754f7d4e594@mail.gmail.com> <3bbf2fe10607281004o6727e976h19ee7e054876f914@mail.gmail.com> <3bbf2fe10701160851r79b04464m2cbdbb7f644b22b6@mail.gmail.com> In-Reply-To: <3bbf2fe10701160851r79b04464m2cbdbb7f644b22b6@mail.gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Pawel Jakub Dawidek , Kip Macy , Suleiman Souhlal , freebsd-current@freebsd.org, freebsd-arch@freebsd.org Subject: Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Jan 2007 18:30:19 -0000 Attilio Rao wrote: > 2006/7/28, Attilio Rao : >> >> After some thinking, I think it's better using init/fini methods >> (since they hide the sizeof(struct turnstile) with size parameter). >> >> Feedbacks and comments are welcome: >> http://users.gufi.org/~rookie/works/patches/uma_sync_init.diff > > [CC'ed all the interested people] > > Even if a long time is passed I did some benchmarks based on ebizzy tool. > This program claims to reproduce a real httpd server behaviour and is > used into the Linux world for benchmarks, AFAIK. > I think that results of the comparison on this patch is very > interesting, and I think it worths a commit :) > I think that results can be even better on a Xeon machine (I had no > chance to reproduce this on some of these). > (Results taken in consideration have been measured after some starts, > in order to minimize caching differences). > > The patch: > http://users.gufi.org/~rookie/works/patches/ts-sq/ts-sq.diff > > The benchmark results: > http://users.gufi.org/~rookie/works/patches/ts-sq/ts-sq.benchmark those are very big differences! what does the benchmark actually measure? > > The kernel options file: > http://users.gufi.org/~rookie/works/patches/ts-sq/CURRENT > > For any information, comment, etc. please feel free to contact me. > > Attilio > >