Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 24 Sep 2002 21:04:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 24 Sep 2002 21:04:13 -0400 Received: from e33.co.us.ibm.com ([32.97.110.131]:44738 "EHLO e33.co.us.ibm.com") by vger.kernel.org with ESMTP id ; Tue, 24 Sep 2002 21:04:13 -0400 Date: Tue, 24 Sep 2002 18:08:59 -0700 (PDT) From: Dave Hansen To: Andrew Morton cc: William Lee Irwin III , Subject: Re: 2.5.38-mm2 dbench $N times In-Reply-To: <3D9103EB.FC13A744@digeo.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1050 Lines: 30 On Tue, 24 Sep 2002, Andrew Morton wrote: > William Lee Irwin III wrote: > > > > William Lee Irwin III wrote: > > >> Taken on 32x/32G NUMA-Q: > > >> Throughput 67.3949 MB/sec (NB=84.2436 MB/sec 673.949 MBit/sec) 16 procs > > >> dbench 16 11.72s user 122.21s system 422% cpu 31.733 total > > dbench 16 on that sort of machine is a memory bandwidth test. > And a dcache lock exerciser. It basically doesn't touch the > disk. Something very bad is happening. > > Anton can get 3000 MByte/sec ;) Bill's Machine cost around $50, plus the cost to repair the walls that I crushed when hauling the pieces around. Anton's cost $2 million. Bill wins :) Are you trying to bind the processes anywhere? I wonder what would happen if you make it always run quad 0... -- Dave Hansen haveblue@us.ibm.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/