From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261228AbUB1LQg (ORCPT ); Sat, 28 Feb 2004 06:16:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261612AbUB1LQg (ORCPT ); Sat, 28 Feb 2004 06:16:36 -0500 Received: from mail-10.iinet.net.au ([203.59.3.42]:53140 "HELO mail.iinet.net.au") by vger.kernel.org with SMTP id S261228AbUB1LQe (ORCPT ); Sat, 28 Feb 2004 06:16:34 -0500 Message-ID: <40407847.7040403@cyberone.com.au> Date: Sat, 28 Feb 2004 22:15:19 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040122 Debian/1.6-1 X-Accept-Language: en MIME-Version: 1.0 To: Con Kolivas CC: linux kernel mailing list Subject: Re: sched domains kernbench improvements References: <200402282159.58452.kernel@kolivas.org> In-Reply-To: <200402282159.58452.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 Con Kolivas wrote: >Hi Nick > > >>So it is more a matter of tuning than anything fundamental >> > >Geez I know how you feel... :-D > > >I tried it on the X440 with sched smt disabled > >better than before but still slower than vanilla on half load; however better >than vanilla on optimal and full load now! I wonder whether the worse result >on half load is as relevant since this is 8x HT cpus? > > Thanks. Yep the drop off at half load is to be expected with CONFIG_SCHED_SMT turned off.