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Date: Wed, 11 Jan 2017 11:54:09 -0800
From: Matthew Macy <mmacy@nextbsd.org>
To: =?UTF-8?Q?=22Olivier_Cochard-Labb=C3=A9=22?= <olivier@freebsd.org>
Cc: "Sean Bruno" <sbruno@freebsd.org>, 
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Subject: Re: HEADS-UP: IFLIB implementations of sys/dev/e1000 em, lem, igb
 pending
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 > 
 > x head r311848: packets per second
 > + head r311849 and BAR patch: packets per second
 > +--------------------------------------------------------------------------+
 > |++    ++ +                                                   xxx     x   x|
 > |                                                            |__M__A____|  |
 > | |___AM__|                                                                |
 > +--------------------------------------------------------------------------+
 >     N           Min           Max        Median           Avg        Stddev
 > x   5        924170        943071        927509      931612.1     8096.8269
 > +   5        831452      845929.5        840940      838730.5     6413.5602
 > Difference at 95.0% confidence
 >         -92881.6 +/- 10652.2
 >         -9.96999% +/- 1.07481%
 >         (Student's t, pooled s = 7303.85)

I apologize. I've only had profiling data for NFLX's read-mostly workload on which it (or at least ixl) is 10% faster.

Could you please detail your setup for us so that we can reproduce and get profiling data?

Thanks in advance.
-M