From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268257AbUHKWC6 (ORCPT ); Wed, 11 Aug 2004 18:02:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268262AbUHKWC5 (ORCPT ); Wed, 11 Aug 2004 18:02:57 -0400 Received: from gprs214-50.eurotel.cz ([160.218.214.50]:3458 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S268257AbUHKWCq (ORCPT ); Wed, 11 Aug 2004 18:02:46 -0400 Date: Wed, 11 Aug 2004 23:59:15 +0200 From: Pavel Machek To: Zwane Mwaikambo Cc: Linux Kernel , Andrew Morton , Matt Mackall , Linus Torvalds Subject: Re: [PATCH][2.6] Completely out of line spinlocks / i386 Message-ID: <20040811215915.GA21812@elf.ucw.cz> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.5.1+cvs20040105i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > Pulled from the -tiny tree, the focus of this patch is for reduced kernel > image size but in the process we benefit from improved cache performance > since it's possible for the common text to be present in cache. This is > probably more of a win on shared cache multiprocessor systems like > P4/Xeon HT. It's been benchmarked with bonnie++ on 2x and 4x PIII (my > ideal target would be a 4x+ logical cpu Xeon). > > The bonnie++ results are here, the hostnames are of the form stpN-000 with > N denoting how many processors in the system. In a nutshell there doesn't > appear to be any performance regressions. Fine, so perhaps we do not want config option? Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!