Date: Thu, 1 Mar 2007 10:22:01 -0500 (EST) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Andre Oppermann <andre@freebsd.org> Cc: freebsd-net@freebsd.org, freebsd-current@freebsd.org, rwatson@freebsd.org, kmacy@freebsd.org Subject: Re: Large TCP send socket buffer optimizations Message-ID: <17894.61337.772803.325091@grasshopper.cs.duke.edu> In-Reply-To: <45E6E2E8.5060408@freebsd.org> References: <45E6E2E8.5060408@freebsd.org>
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Andre Oppermann writes: > This patch solves the problem by maintaining an offset pointer in the socket > buffer to give tcp_output() the closest mbuf right away avoiding the traversal > from the beginning. > > With this patch we should be able to compete nicely for the Internet land > speed record again. Great news. I will test soon. Have you found the bug which makes a freebsd sender spew duplicate acks? This will have a negative affect on any benchmarks.. Drew
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