Date: Fri, 18 Apr 2008 13:59:46 +1000 From: Andrew Snow <andrew@modulus.org> To: freebsd-net@freebsd.org Subject: Re: bge dropping packets issue Message-ID: <48081CB2.9000509@modulus.org> In-Reply-To: <20080417152837.E71628@fledge.watson.org> References: <3c0b01820804160929i76cc04fdy975929e2a04c0368@mail.gmail.com> <200804161456.20823.jkim@FreeBSD.org> <3c0b01820804161328m77704ca0g43077a9718d446d4@mail.gmail.com> <200804161654.22452.jkim@FreeBSD.org> <3c0b01820804161402u3aac4425n41172294ad33a667@mail.gmail.com> <20080417112329.G47027@delplex.bde.org> <3c0b01820804170643w6b771ce9jdfc2dc5b240922b@mail.gmail.com> <20080417145652.J71628@fledge.watson.org> <3c0b01820804170705l9c196d9rff45fa4919ace8c@mail.gmail.com> <20080417152837.E71628@fledge.watson.org>
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Robert Watson wrote: > I would generally discourage use of our current DEVICE_POLLING code > using modern network devices, as the polling rate as compared to buffer > size has changed significantly, meaning that polling rates have to be > set ridiculously high. I agree, from my playing around there's no point using polling on modern hardware. It uses *more* CPU time and doesn't seem to increase throughput. - Andrew
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