From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261255AbVFKUNn (ORCPT ); Sat, 11 Jun 2005 16:13:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261806AbVFKUNn (ORCPT ); Sat, 11 Jun 2005 16:13:43 -0400 Received: from dvhart.com ([64.146.134.43]:43945 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S261255AbVFKUNk (ORCPT ); Sat, 11 Jun 2005 16:13:40 -0400 Date: Sat, 11 Jun 2005 13:13:42 -0700 From: "Martin J. Bligh" Reply-To: "Martin J. Bligh" To: Con Kolivas Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Andrew Morton , Christoph Lameter , Nick Piggin Subject: Re: 2.6.12-rc6-mm1 Message-ID: <672740000.1118520822@[10.10.2.4]> In-Reply-To: <200506111522.30765.kernel@kolivas.org> References: <20050607170853.3f81007a.akpm@osdl.org> <1155200000.1118447440@flay> <656430000.1118463292@[10.10.2.4]> <200506111522.30765.kernel@kolivas.org> X-Mailer: Mulberry/2.2.1 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --Con Kolivas wrote (on Saturday, June 11, 2005 15:22:30 +1000): > On Sat, 11 Jun 2005 14:14, Martin J. Bligh wrote: >> --"Martin J. Bligh" wrote (on Friday, June 10, 2005 > > > OK, I backed out those 4, and the degredation mostly went away. >> > See >> > http://ftp.kernel.org/pub/linux/kernel/people/mbligh/abat/perf/kernbench. >> > moe.png >> > >> > and more specifically, see the +p5150 near the right hand side. >> > I don't think it's quite as good as mainline, but much closer. >> > I did this run with HZ=1000, and the the one with no scheduler >> > patches at all with HZ=250, so I'll try to do a run that's more >> > directly comparable as well >> >> OK, that makes it look much more like mainline. Looks like you were still >> revising the details of your patch Con ... once you're ready, drop me a >> URL for it, and I'll make the system whack on that too. > > Great thanks. Here are rolled up all the reconsidered changes that apply > directly to 2.6.12-rc6-mm1 -purely for testing purposes-. I'd be very > grateful to see how this performed; it has been boot and stress tested at > this end. If it shows detriment I'll have to make the smp nice changes more > complex. It's much better ... but still a degredation - see point p5181 on: http://ftp.kernel.org/pub/linux/kernel/people/mbligh/abat/perf/kernbench.moe.png Only really seems to hurt the NUMA box (the x440 one ... elm3b67 ... is still trying to find it's ass with both hands). I'm not necessarily saying it's a problem ... not sure what the benefits of the patch are, but it's a data point, at least ? M.