From owner-cvs-src@FreeBSD.ORG Mon Oct 1 11:27:18 2007 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D777516A468; Mon, 1 Oct 2007 11:27:18 +0000 (UTC) (envelope-from brde@optusnet.com.au) Received: from mail35.syd.optusnet.com.au (mail35.syd.optusnet.com.au [211.29.133.51]) by mx1.freebsd.org (Postfix) with ESMTP id 1BA0513C455; Mon, 1 Oct 2007 11:27:17 +0000 (UTC) (envelope-from brde@optusnet.com.au) Received: from besplex.bde.org (c220-239-235-248.carlnfd3.nsw.optusnet.com.au [220.239.235.248]) by mail35.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id l91BQdkB026034 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 1 Oct 2007 21:26:46 +1000 Date: Mon, 1 Oct 2007 21:26:39 +1000 (EST) From: Bruce Evans X-X-Sender: bde@besplex.bde.org To: Jeff Roberson In-Reply-To: <20071001020835.B583@10.0.0.1> Message-ID: <20071001205923.U2657@besplex.bde.org> References: <20070930040318.094E345018@ptavv.es.net> <20070930153430.U583@10.0.0.1> <20071001172620.X1839@besplex.bde.org> <20071001020835.B583@10.0.0.1> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: cvs-all@freebsd.org, src-committers@freebsd.org, Kevin Oberman , cvs-src@freebsd.org, Jeff Roberson , Garance A Drosehn , Ben Kaduk , Bruce Evans Subject: Re: cvs commit: src/sys/kern sched_ule.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Oct 2007 11:27:19 -0000 On Mon, 1 Oct 2007, Jeff Roberson wrote: > On Mon, 1 Oct 2007, Bruce Evans wrote: > >> On Sun, 30 Sep 2007, Jeff Roberson wrote: >> >>> On Sat, 29 Sep 2007, Kevin Oberman wrote: >> >>>> YMMV, but ULE seems to generally work better then 4BSD for interactive >>>> uniprocessor systems. The preferred scheduler for uniprocessor servers >>>> is less clear, but many test have shown ULE does better for those >>>> systems in the majority of cases. >>> >>> I feel it's safe to say desktop behavior on UP is definitely superior. >> >> This is unsafe to say. > > Given that the overwhelming amount of feedback by qualified poeple, I think > it's fair to say that ULE gives a more responsive system under load. This is not my experience. Maybe I don't run enough interactive bloatware to have a large enough interactive load for the scheduler to make a difference. Bruce