Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 25 Feb 2003 17:47:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 25 Feb 2003 17:47:58 -0500 Received: from bitmover.com ([192.132.92.2]:37051 "EHLO mail.bitmover.com") by vger.kernel.org with ESMTP id ; Tue, 25 Feb 2003 17:47:57 -0500 Date: Tue, 25 Feb 2003 14:58:06 -0800 From: Larry McVoy To: Chris Wedgwood Cc: Larry McVoy , William Lee Irwin III , Alan Cox , "Martin J. Bligh" , Linux Kernel Mailing List Subject: Re: Minutes from Feb 21 LSE Call Message-ID: <20030225225806.GA12298@work.bitmover.com> Mail-Followup-To: Larry McVoy , Chris Wedgwood , Larry McVoy , William Lee Irwin III , Alan Cox , "Martin J. Bligh" , Linux Kernel Mailing List References: <20030224045616.GB4215@work.bitmover.com> <48940000.1046063797@[10.10.2.4]> <20030224065826.GA5665@work.bitmover.com> <1046093309.1246.6.camel@irongate.swansea.linux.org.uk> <20030225051956.GA18302@f00f.org> <20030225052602.GW10411@holomorphy.com> <20030225212115.GB21870@f00f.org> <20030225212134.GD10411@holomorphy.com> <20030225220811.GA9317@work.bitmover.com> <20030225223743.GA22579@f00f.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030225223743.GA22579@f00f.org> User-Agent: Mutt/1.4i X-MailScanner: Found to be clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 674 Lines: 15 > ... or is this more an artifact that even though the improvements for > real-world are negligible, micro-benchmarks are susceptible to these > variations this making things like the std. dev. larger than it would > otherwise be? Bingo. If you are trying to measure whether something adds cache misses you really want reproducible runs. -- --- Larry McVoy lm at bitmover.com http://www.bitmover.com/lm - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/