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>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Subject: Re: HEADS-UP: IFLIB implementations of sys/dev/e1000 em, lem, igb pending Message-ID: <1598f1845d6.125d30bfe89230.1420530647486361817@nextbsd.org> In-Reply-To: <CA%2Bq%2BTco-dcoU8EZnDEzgoK-v2Q2=U5GF6ASMSj0kwzd_wB5xig@mail.gmail.com> References: <30f21c75-d3a2-edcd-1999-d5ed9f970c06@freebsd.org> <b000a957-8d17-a04d-6275-0d3920aa8a17@freebsd.org> <CA%2Bq%2BTcramTrYgYT-s%2B=aBZzRJV8FmKQqGt=1twPhLBR7AoXkcQ@mail.gmail.com> <1598d97bf2a.c6bcb76838987.6501340920645175463@nextbsd.org> <574a7ac7-4842-9518-8286-a4d89a9f7a27@freebsd.org> <CA%2Bq%2BTco-dcoU8EZnDEzgoK-v2Q2=U5GF6ASMSj0kwzd_wB5xig@mail.gmail.com>
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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
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