From owner-freebsd-questions@FreeBSD.ORG Sat Sep 29 17:19:12 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9172516A41B for ; Sat, 29 Sep 2007 17:19:12 +0000 (UTC) (envelope-from oliver@akephalos.de) Received: from mailout04.sul.t-online.com (mailout04.sul.t-online.de [194.25.134.18]) by mx1.freebsd.org (Postfix) with ESMTP id 21CB613C457 for ; Sat, 29 Sep 2007 17:19:11 +0000 (UTC) (envelope-from oliver@akephalos.de) Received: from fwd26.aul.t-online.de by mailout04.sul.t-online.com with smtp id 1IbfyA-0003NM-01; Sat, 29 Sep 2007 19:19:10 +0200 Received: from localhost (E11dWcZeotFntJvOkbR1+nkG2iguYppAzcvi8oiUjVplHZD3WGlj68nIdA1KwOtxl70tTs57jR@[84.165.120.121]) by fwd26.t-online.de with esmtp id 1Ibfy8-1DA7pg0; Sat, 29 Sep 2007 19:19:08 +0200 Date: Sat, 29 Sep 2007 19:19:08 +0200 From: Oliver Herold To: freebsd-questions@freebsd.org, Kris Kennaway Message-ID: <20070929171908.GA1984@olymp.home> Mail-Followup-To: freebsd-questions@freebsd.org, Kris Kennaway References: <80f4f2b20709240723m121aad88ofaf728f384dd6c20@mail.gmail.com> <20070924184415.7bffd7d2@gumby.homeunix.com.> <46FE790A.1000101@FreeBSD.org> <20070929163116.GA1748@olymp.home> <46FE8120.4040608@FreeBSD.org> <499c70c0709291008y3d42adc4u68fa0f717088f94e@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <499c70c0709291008y3d42adc4u68fa0f717088f94e@mail.gmail.com> User-Agent: Mutt/1.5.16 (2007-06-09) X-ID: E11dWcZeotFntJvOkbR1+nkG2iguYppAzcvi8oiUjVplHZD3WGlj68nIdA1KwOtxl70tTs57jR X-TOI-MSGID: 48161beb-8855-4f07-b803-f00fd163163a Cc: Subject: Re: Questions on the scheduler X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Sep 2007 17:19:12 -0000 OpenBSD isn't about performance, so it will be most of the time inferior. http://mail-index.netbsd.org/tech-kern/2007/09/28/0014.html Maybe this is of some help. But if compare it to Jeffs FreeBSD/Linux benches it looks rather strange to me. Cheers, Oliver On Sat, Sep 29, 2007 at 08:08:53PM +0300, Abdullah Ibn Hamad Al-Marri wrote: > On 9/29/07, Kris Kennaway wrote: > > Oliver Herold wrote: > > > Are there any numbers or technical papers? Just out of curiosity. > > > > I ran a mysql benchmark against Dragonfly-current and FreeBSD 7 on an > > 8-core machine (one of the workloads that FreeBSD now performs very well > > at) and found 0 scaling on dragonfly. Their developers confirmed that > > the kernel is still entirely giant locked (as in FreeBSD 4) so no SMP > > performance benefits are possible. > > > > The email thread is here: > > > > http://leaf.dragonflybsd.org/mailarchive/users/2007-05/msg00134.html > > > > although the linked graph is offline. The FreeBSD curve was essentially > > this one (FreeBSD has improved further since then): > > > > http://people.freebsd.org/~kris/scaling/scaling.png > > > > with dragonfly a flat line at ~500 tps independent of load. > > > > Kris > > How does NetBSD, and OpenBSD scale when it comes to SMP comparing to > FreeBSD 7.0? > > > -- > Regards, > > -Abdullah Ibn Hamad Al-Marri > Arab Portal > http://www.WeArab.Net/ > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" -- Surprise due today. Also the rent.