From owner-freebsd-current@FreeBSD.ORG Thu Dec 18 12:26:07 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1359916A4CE for ; Thu, 18 Dec 2003 12:26:07 -0800 (PST) Received: from opiate.soulwax.net (CPE0010a702d464-CM000039ae486b.cpe.net.cable.rogers.com [63.139.24.219]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0F87143D2D for ; Thu, 18 Dec 2003 12:26:06 -0800 (PST) (envelope-from chopra@opiate.soulwax.net) Received: by opiate.soulwax.net (Postfix, from userid 1001) id 1FE44405B; Thu, 18 Dec 2003 15:26:09 -0500 (EST) Date: Thu, 18 Dec 2003 15:26:09 -0500 From: Munish Chopra To: freebsd-current@freebsd.org Message-ID: <20031218202608.GA4255@opiate.soulwax.net> Mail-Followup-To: freebsd-current@freebsd.org References: <20031218194326.GA12548@SDF.LONESTAR.ORG> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20031218194326.GA12548@SDF.LONESTAR.ORG> Subject: Re: Any reasons to change BSD scheduler: SCHED_4BSD to SCHED_ULE? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Thu, 18 Dec 2003 20:26:07 -0000 On 2003-12-18 19:43 +0000, Nuno Teixeira wrote: > > Hello to all, > > I'm using 5.2 RC and I'd like to know if are good reasons to change my > sheduler to the new one on a UP machine. > > Is there any place were I can find more information about this topic? > The archives. Jeff announced his intention to switch the default scheduler to SCHED_ULE a little while ago -- I suppose it'll be happening soon after 5.2. The initial problems are well-documented, though most have been resolved by now. I've been running ULE for quite a while, and in the past month it has begun to perform very nicely on my UP machines. YMMV. -- Munish Chopra