Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 24 Mar 2003 17:08:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 24 Mar 2003 17:08:57 -0500 Received: from zcars0m9.nortelnetworks.com ([47.129.242.157]:42624 "EHLO zcars0m9.nortelnetworks.com") by vger.kernel.org with ESMTP id ; Mon, 24 Mar 2003 17:08:56 -0500 Message-ID: <3E7F8486.8000008@nortelnetworks.com> Date: Mon, 24 Mar 2003 17:19:50 -0500 X-Sybari-Space: 00000000 00000000 00000000 From: Chris Friesen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.8) Gecko/20020204 X-Accept-Language: en-us MIME-Version: 1.0 To: Larry McVoy Cc: linux-kernel@vger.kernel.org Subject: Re: lmbench results for 2.4 and 2.5 -- updated results References: <20030324200105.GA5522@work.bitmover.com> <543480000.1048540161@flay> <20030324153602.28b44e23.akpm@digeo.com> <20030324220435.GA11421@work.bitmover.com> 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: 952 Lines: 31 Larry McVoy wrote: > work ~/LMbench2/bin/i686-pc-linux-gnu ENOUGH=1000000 time bw_pipe > Pipe bandwidth: 655.37 MB/sec > real 0m23.411s > user 0m0.480s > sys 0m1.180s > > work ~/LMbench2/bin/i686-pc-linux-gnu time bw_pipe > Pipe bandwidth: 809.81 MB/sec > > real 0m2.821s > user 0m0.480s > sys 0m1.180s Why the difference? Is it being scheduled out? Should lmbench be (optionally) putting itself into a realtime scheduling class? Chris -- Chris Friesen | MailStop: 043/33/F10 Nortel Networks | work: (613) 765-0557 3500 Carling Avenue | fax: (613) 765-2986 Nepean, ON K2H 8E9 Canada | email: cfriesen@nortelnetworks.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/