From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261215AbVGGHKo (ORCPT ); Thu, 7 Jul 2005 03:10:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261216AbVGGHKo (ORCPT ); Thu, 7 Jul 2005 03:10:44 -0400 Received: from dsl027-180-168.sfo1.dsl.speakeasy.net ([216.27.180.168]:21644 "EHLO sunset.davemloft.net") by vger.kernel.org with ESMTP id S261215AbVGGHKl (ORCPT ); Thu, 7 Jul 2005 03:10:41 -0400 Date: Thu, 07 Jul 2005 00:10:38 -0700 (PDT) Message-Id: <20050707.001038.71088533.davem@davemloft.net> To: ssp@creativeresearch.org Cc: linux-kernel@vger.kernel.org Subject: Re: Disturbing wide variation in execution time From: "David S. Miller" In-Reply-To: <200507062344.53615.ssp@creativeresearch.org> References: <200507062344.53615.ssp@creativeresearch.org> X-Mailer: Mew version 4.2 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Sheo Shanker Prasad Date: Wed, 6 Jul 2005 23:44:53 -0700 > I will appreciate your help in eliminating a disturbing wide variation (by a > factors of 2 to 2.5) in the execution time of a test (execution benchmark) > program under identical conditions even when the machine is freshly started > (rebooted) and no other user program is running (not even e-mail or Internet > browser). You haven't told us exactly what your test program does.