Date: Thu, 5 Feb 2015 14:29:04 -0600 From: Jim Thompson <jim@netgate.com> To: hiren panchasara <hiren@strugglingcoder.info> Cc: FreeBSD Net <freebsd-net@freebsd.org>, Scott Long <scott4long@yahoo.com> Subject: Re: Silly experiments with netisr Message-ID: <747BECC7-98A8-4EA4-AFE1-4B1B7039862C@netgate.com> In-Reply-To: <20150205202314.GD69733@strugglingcoder.info> References: <54D3BE67.8060502@ignoranthack.me> <752D84FB-0B65-47CF-973A-91C3697A28DC@yahoo.com> <20150205202314.GD69733@strugglingcoder.info>
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> On Feb 5, 2015, at 2:23 PM, hiren panchasara <hiren@strugglingcoder.info> wrote: > > On 02/05/15 at 12:31P, Scott Long via freebsd-net wrote: >> >> >> Welcome to our workload. Granted, we don?t involve pf, but the majority of our CPU processing right now is spent in TCP (with the rest being spent in the VM, but that?s a different matter). >> >> FWIW, Randall has some optimizations in this area of the stack. They aren?t huge, IIRC they?re only a few percent, but worth looking at. > Scott, > > It'd be great if you guys can share it. And yes, any small persentage would > help :-) As long as it’s not at the expense of forwarding.
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