Messages in this thread | | | Date | Tue, 20 Jan 2009 14:06:11 +0000 | From | Jarek Poplawski <> | Subject | Re: [PATCH] tcp: splice as many packets as possible at once |
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On Tue, Jan 20, 2009 at 01:43:52PM +0000, Ben Mansell wrote: ... > With an unpatched kernel, the splice performance was worse (due to the > one packet per-splice issues). With the small patch to fix that, I was > getting around 2 Gbps performance, although oddly enough, I could only > get 2 Gbps with read()/write() then as well... > > I'll try and do some tests on a machine that hopefully doesn't have the > bottlenecks (and one that uses different NICs)
I guess you should especially check if SG and checksums are on, and it could depend on a chip within those NICs as well.
Jarek P.
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