Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750748AbWANGFh (ORCPT ); Sat, 14 Jan 2006 01:05:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751281AbWANGFh (ORCPT ); Sat, 14 Jan 2006 01:05:37 -0500 Received: from smtp200.mail.sc5.yahoo.com ([216.136.130.125]:28273 "HELO smtp200.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S1750748AbWANGFg (ORCPT ); Sat, 14 Jan 2006 01:05:36 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:Message-ID:Date:From:User-Agent:X-Accept-Language:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=Z8wL0fP/54+6vVtfxlbGCC+ufYR78FwkvW7SxMIt/oFm9EEVh31ZdcDXFAy4m7L+7s6QfMRqn+h50xp61w6Ea+8rPBB6cPMR+uxuReGb05dhkh55TUhIbRa5Jt7md5zTJoxE10C07/jJVsongL3fLOzhes3KMGJK6sh267iLAK4= ; Message-ID: <43C894AD.1060202@yahoo.com.au> Date: Sat, 14 Jan 2006 17:05:33 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20051007 Debian/1.7.12-1 X-Accept-Language: en MIME-Version: 1.0 To: Con Kolivas CC: Peter Williams , Martin Bligh , Andy Whitcroft , Andrew Morton , linux-kernel@vger.kernel.org, Ingo Molnar Subject: Re: -mm seems significanty slower than mainline on kernbench References: <43C45BDC.1050402@google.com> <43C84496.6060506@bigpond.net.au> <43C8861E.5070203@yahoo.com.au> <200601141640.45582.kernel@kolivas.org> In-Reply-To: <200601141640.45582.kernel@kolivas.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 815 Lines: 23 Con Kolivas wrote: > On Saturday 14 January 2006 16:03, Nick Piggin wrote: > >>Ideally, balancing should be completely unaffected when all tasks are >>of priority 0 which is what I thought yours did, and why I think the >>current system is not great. > > > The current smp nice in mainline 2.6.15 is performance neutral when all are > the same priority. It's only this improved version in -mm that is not. > Oh sure. I wasn't talking about performance though. -- SUSE Labs, Novell Inc. Send instant messages to your online friends http://au.messenger.yahoo.com - 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/