From owner-freebsd-current@FreeBSD.ORG Fri Feb 10 15:38:03 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E91D516A420 for ; Fri, 10 Feb 2006 15:38:03 +0000 (GMT) (envelope-from gallatin@cs.duke.edu) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 93F0843D46 for ; Fri, 10 Feb 2006 15:38:03 +0000 (GMT) (envelope-from gallatin@cs.duke.edu) Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu [152.3.145.30]) by duke.cs.duke.edu (8.13.4/8.13.4) with ESMTP id k1AFc2ti015068 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 10 Feb 2006 10:38:02 -0500 (EST) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.12.9p2/8.12.9/Submit) id k1AFbtlA034422; Fri, 10 Feb 2006 10:37:55 -0500 (EST) (envelope-from gallatin) From: Andrew Gallatin MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17388.45907.272375.709932@grasshopper.cs.duke.edu> Date: Fri, 10 Feb 2006 10:37:55 -0500 (EST) To: Poul-Henning Kamp In-Reply-To: <17388.44976.250463.383429@grasshopper.cs.duke.edu> References: <1835.1139524338@critter.freebsd.dk> <17388.44976.250463.383429@grasshopper.cs.duke.edu> X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid Cc: current@freebsd.org Subject: Re: [TEST/REVIEW] cpu time accounting patch, step 2 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Feb 2006 15:38:04 -0000 Sorry, there was a small cut & paste typo. Rather than: > netperf -tTCP_STREAM to linux machine via 10GbE (128KB socket buffers) This should read: netperf -tTCP_STREAM *from* linux machine via 10GbE (128KB socket buffers) > x 10GbE_stream_rx.before > + 10GbE_stream_rx.after > +--------------------------------------------------------------------------+ > | + | > |x x x x x + + + + | > | |________A__M____| |_________________A_________M_______|| > +--------------------------------------------------------------------------+ > N Min Max Median Avg Stddev > x 5 7655.65 7723.43 7702.66 7693.382 27.071167 > + 5 7768.29 7883.34 7863.13 7830.482 57.216535 > Difference at 95.0% confidence > 137.1 +/- 65.2772 > 1.78205% +/- 0.848484% > (Student's t, pooled s = 44.7581) netperf -tTCP_STREAM *to* linux machine via 10GbE (128KB socket buffers) > > x 10GbE_stream_tx.before > + 10GbE_stream_tx.after > +--------------------------------------------------------------------------+ > |+ x x + + x + + x x| > | |_|____________M__________MA_____A___________________|___________| | > +--------------------------------------------------------------------------+ > N Min Max Median Avg Stddev > x 5 4640.64 4722.05 4670.05 4679.212 36.651045 > + 5 4636.54 4709.22 4657.93 4671.276 31.004687 > No difference proven at 95.0% confidence > Drew