From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764536AbYEGRnq (ORCPT ); Wed, 7 May 2008 13:43:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757395AbYEGRne (ORCPT ); Wed, 7 May 2008 13:43:34 -0400 Received: from E23SMTP03.au.ibm.com ([202.81.18.172]:58022 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753471AbYEGRnc (ORCPT ); Wed, 7 May 2008 13:43:32 -0400 Date: Wed, 7 May 2008 23:12:09 +0530 From: Dhaval Giani To: "Zhang, Yanmin" Cc: Peter Zijlstra , LKML , Srivatsa Vaddagiri , Ingo Molnar Subject: Re: volanoMark regression with kernel 2.6.26-rc1 Message-ID: <20080507174209.GB4424@linux.vnet.ibm.com> Reply-To: Dhaval Giani References: <1210039590.3453.18.camel@ymzhang> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1210039590.3453.18.camel@ymzhang> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 06, 2008 at 10:06:30AM +0800, Zhang, Yanmin wrote: > Comparing with 2.6.25, volanoMark has big regression with kernel 2.6.26-rc1. > It's about 50% on my 8-core stoakley, 16-core tigerton, and Itanium Montecito. > Just FYI, I am actually seeing 5 times performance on 2.6.26-rc1 (I ran the benchmark twice before i sent out this mail and both times I have have these numbers) -- regards, Dhaval