From owner-freebsd-stable@FreeBSD.ORG Fri Nov 30 16:55:26 2007 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4662C16A46B for ; Fri, 30 Nov 2007 16:55:26 +0000 (UTC) (envelope-from cliftonr@lava.net) Received: from outgoing02.lava.net (outgoing02.lava.net [64.65.64.125]) by mx1.freebsd.org (Postfix) with ESMTP id 296EA13C4CE for ; Fri, 30 Nov 2007 16:55:26 +0000 (UTC) (envelope-from cliftonr@lava.net) Received: from malasada.lava.net (malasada.lava.net [64.65.64.17]) by outgoing02.lava.net (Postfix) with ESMTP id 8692DB8B7C; Fri, 30 Nov 2007 06:55:25 -1000 (HST) Received: by malasada.lava.net (Postfix, from userid 102) id 2BD89153882; Fri, 30 Nov 2007 06:55:24 -1000 (HST) Date: Fri, 30 Nov 2007 06:55:24 -1000 From: Clifton Royston To: Claus Guttesen Message-ID: <20071130165522.GA15522@lava.net> Mail-Followup-To: Claus Guttesen , Pete French , max@love2party.net, freebsd-stable@freebsd.org References: <200711291932.05614.max@love2party.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.2i Cc: max@love2party.net, freebsd-stable@freebsd.org, Pete French Subject: Re: Also seeing 2 x quad-core system slower that 2 x dual core X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Nov 2007 16:55:26 -0000 On Fri, Nov 30, 2007 at 05:59:26AM +0100, Claus Guttesen wrote: > > Thing is that GENERIC as installed out of the box should not take two minutes > > to delete a gig of files off a 15k RPM SAS drive! especially not > > when identical hardware with half the number of processor cores only takes > > eleven seconds to do the same job. Something is wrong somewhere if doubling > > your CPU's results in a factor of 12 slowdown surely? > > Is it possible to disable one of the quad-core cpu's from bios? I have > a couple of DL360's myself but I haven't had the need to disable one > of the cpu's. > > If so it could be interesting to see whether the specific task goes > slower/faster. I'd also try *removing* some RAM from the quad-core CPU system, to bring it down to the same level as the other system, and make sure there isn't some kind of chipset/motherboard/BIOS issue when 16GB is populated. -- Clifton -- Clifton Royston -- cliftonr@iandicomputing.com / cliftonr@lava.net President - I and I Computing * http://www.iandicomputing.com/ Custom programming, network design, systems and network consulting services