From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264518AbTLLJmb (ORCPT ); Fri, 12 Dec 2003 04:42:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264524AbTLLJmb (ORCPT ); Fri, 12 Dec 2003 04:42:31 -0500 Received: from pix-525-pool.redhat.com ([66.187.233.200]:34756 "EHLO devserv.devel.redhat.com") by vger.kernel.org with ESMTP id S264518AbTLLJma (ORCPT ); Fri, 12 Dec 2003 04:42:30 -0500 Date: Fri, 12 Dec 2003 04:41:54 -0500 (EST) From: Ingo Molnar X-X-Sender: mingo@devserv.devel.redhat.com To: Nick Piggin cc: linux-kernel , William Lee Irwin III , Rusty Russell , Anton Blanchard , "Martin J. Bligh" , "Nakajima, Jun" , Mark Wong Subject: Re: [PATCH] improve rwsem scalability (was Re: [CFT][RFC] HT scheduler) In-Reply-To: <3FD91F5D.30005@cyberone.com.au> Message-ID: References: <20031208155904.GF19412@krispykreme> <3FD50456.3050003@cyberone.com.au> <20031209001412.GG19412@krispykreme> <3FD7F1B9.5080100@cyberone.com.au> <3FD81BA4.8070602@cyberone.com.au> <3FD8317B.4060207@cyberone.com.au> <20031211115222.GC8039@holomorphy.com> <3FD86C70.5000408@cyberone.com.au> <20031211132301.GD8039@holomorphy.com> <3FD8715F.9070304@cyberone.com.au> <20031211133207.GE8039@holomorphy.com> <3FD88D93.3000909@cyberone.com.au> <3FD91F5D.30005@cyberone.com.au> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 12 Dec 2003, Nick Piggin wrote: > getting contended. The following graph is a best of 3 runs average. > http://www.kerneltrap.org/~npiggin/rwsem.png the graphs are too noise to be conclusive. > The part to look at is the tail. I need to do some more testing to see > if its significant. yes, could you go from 150 to 300? Ingo