Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754651AbZJLIGb (ORCPT ); Mon, 12 Oct 2009 04:06:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754639AbZJLIG3 (ORCPT ); Mon, 12 Oct 2009 04:06:29 -0400 Received: from mail.gmx.net ([213.165.64.20]:47113 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754579AbZJLIGU (ORCPT ); Mon, 12 Oct 2009 04:06:20 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX1+kRad5UGmk6X5VfZThiYM5C8xylvg9NJYUvh30ua Ze8rM5urM6P/cy Subject: Re: hackbench regression with kernel 2.6.32-rc1 From: Mike Galbraith To: "Zhang, Yanmin" Cc: Peter Zijlstra , LKML , Ingo Molnar In-Reply-To: <1255331120.3684.43.camel@ymzhang> References: <1255079943.25078.23.camel@ymzhang> <1255084986.8802.46.camel@laptop> <1255331120.3684.43.camel@ymzhang> Content-Type: text/plain Date: Mon, 12 Oct 2009 10:05:31 +0200 Message-Id: <1255334731.7282.3.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.66 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 636 Lines: 16 On Mon, 2009-10-12 at 15:05 +0800, Zhang, Yanmin wrote: > The good news is only tbench has about 6% regression on Nehalem machines. > Other regressions such like hackbench/aim7/volanoMark is not clear/big on > Nehalem. But reverting the original 2 patches don't fix the tbench regression > on Nehalem machines. Could be NO_NEXT_BUDDY. NEXT_BUDDY is pretty important for scaling. -Mike -- 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/