Date: Fri, 10 Feb 2006 10:37:55 -0500 (EST) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: current@freebsd.org Subject: Re: [TEST/REVIEW] cpu time accounting patch, step 2 Message-ID: <17388.45907.272375.709932@grasshopper.cs.duke.edu> 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>
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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
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