Date: Mon, 13 Nov 2006 17:50:36 -0700 From: Scott Long <scottl@samsco.org> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-net@freebsd.org, freebsd-stable@freebsd.org, Ivan Voras <ivoras@fer.hr> Subject: Re: Proposed 6.2 em RELEASE patch Message-ID: <455912DC.1020101@samsco.org> In-Reply-To: <200611132222.kADMM8er046074@lava.sentex.ca> References: <2a41acea0611081719h31be096eu614d2f2325aff511@mail.gmail.com> <200611091536.kA9FaltD018819@lava.sentex.ca> <45534E76.6020906@samsco.org> <200611092200.kA9M0q1E020473@lava.sentex.ca> <200611102004.kAAK4iO9027778@lava.sentex.ca> <2a41acea0611101400w5b8cef40ob84ed6de181f3e2c@mail.gmail.com> <200611102221.kAAML6ol028630@lava.sentex.ca> <455570D8.6070000@samsco.org> <200611120412.kAC4CuIB035746@lava.sentex.ca> <45574ECA.4080207@samsco.org> <200611130040.kAD0etbp040637@lava.sentex.ca> <4557CECD.2000609@samsco.org> <200611130158.kAD1wdKE040908@lava.sentex.ca> <4557EF13.9060305@samsco.org> <200611130454.kAD4sZwe041556@lava.sentex.ca> <4557FF7A.8020704@samsco.org> <200611131248.kADCmieP043730@lava.sentex.ca> <ejab8p$tgp$1@sea.gmane.org> <200611132222.kADMM8er046074@lava.sentex.ca>
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Mike Tancsa wrote: > At 12:50 PM 11/13/2006, Ivan Voras wrote: >> Mike Tancsa wrote: >> > At 12:15 AM 11/13/2006, Scott Long wrote: >> > >> >> Is this with EM_INTR_FAST enabled also? >> > >> > Yes. Havent done the stock case yet, but will do so later today. >> >> Do you have a comparison with Linux under the same circumstances? > > I had a disk with 64bit already installed. I will try with 32bit > tomorrow. I can also try FreeBSD AMD64 on the box to see how it does. > > ifstat gives a bit of an odd output, but its the same sort of pattern > where adding a second stream in the same direction, slows down the first > one. On the box R2 ... > > The box is totally responsive throughout with no packet loss on the > management interface.... However, it seems quite a bit slower than > FreeBSD when its tweaked with ADAPTIVE_GIANT removed... But again, this > is 64bit so not quite apples to apples yet. Also, I need to check the > default driver config to see if their NAPI or whatever its called is > enabled. More tests to come. > > ---Mike More excellent data, thanks. I have some changes on the drawing board that should significantly improve forwarding and bridging in the em driver. Do you have a limit on how much more time you can spend on these tests? It might be a week or more before I have anything that can be tested. Scott
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