From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265659AbUBPOaw (ORCPT ); Mon, 16 Feb 2004 09:30:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265667AbUBPOaw (ORCPT ); Mon, 16 Feb 2004 09:30:52 -0500 Received: from mail011.syd.optusnet.com.au ([211.29.132.65]:49810 "EHLO mail011.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S265659AbUBPOat (ORCPT ); Mon, 16 Feb 2004 09:30:49 -0500 From: Con Kolivas To: Nick Piggin Subject: Re: [BENCHMARK] 2.6.3-rc2 v 2.6.3-rc3-mm1 kernbench Date: Tue, 17 Feb 2004 01:30:24 +1100 User-Agent: KMail/1.6 Cc: linux kernel mailing list References: <200402170000.00524.kernel@kolivas.org> <4030C38A.4050909@cyberone.com.au> In-Reply-To: <4030C38A.4050909@cyberone.com.au> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200402170130.24070.kernel@kolivas.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 17 Feb 2004 00:20, Nick Piggin wrote: > Con Kolivas wrote: > >-----BEGIN PGP SIGNED MESSAGE----- > >Hash: SHA1 > > > >Here's some nice evidence of the sched domains' patch value: > >kernbench 0.20 running on an X440 8x1.5Ghz P4HT (2 node) > > > >Time is in seconds. Lower is better (fixed font table) > > > >Summary: > >Kernel: 2.6.3-rc2 2.6.3-rc3-mm1 > >Half(-j8) 120.8 113.0 > >Optimal(-j64) 81.6 79.3 > >Max(-j) 82.9 80.3 > > > > > >shorter summary: > >2.6.3-rc3-mm1 kicks butt > > Thanks Con, > Results look pretty good. The half-load context switches are > increased - that is probably a result of active balancing. > And speaking of active balancing, it is not yet working across > nodes with the configuration you're on. > > To get some idea of our worst case SMT performance (-j8), would > it be possible to do -j8 and -j64 runs with HT turned off? sure. results.2.6.3-rc3-mm1 + SMT: Average Half Load Run: Elapsed Time 113.008 User Time 742.786 System Time 90.65 Percent CPU 738 Context Switches 28062.6 Sleeps 24571.8 Average Optimum Load Run: Elapsed Time 79.278 User Time 1007.69 System Time 107.388 Percent CPU 1407 Context Switches 33355 Sleeps 32720 2.6.3-rc3-mm1 no SMT: Average Half Load Run: Elapsed Time 133.51 User Time 799.268 System Time 92.784 Percent CPU 669 Context Switches 19340.8 Sleeps 24427.4 Average Optimum Load Run: Elapsed Time 81.486 User Time 1006.37 System Time 106.952 Percent CPU 1366.8 Context Switches 33939 Sleeps 32453.4 Con