svn commit: r342908 - head/sys/netpfil/ipfw
Kristof Provost
kp at freebsd.org
Thu Jan 10 08:45:32 UTC 2019
On 2019-01-09 23:38:27 (-0800), Gleb Smirnoff <glebius at freebsd.org> wrote:
> On Thu, Jan 10, 2019 at 01:47:57AM +0000, Andrey V. Elsukov wrote:
> A> glebius@ has reported that they at Netflix discovered, that initialization
> A> of this variable produces significant overhead on packet processing.
> A> After patching I managed to increase performance of packet processing on
> A> simple routing with ipfw(4) firewalling to about 11% from 9.8Mpps up to
> A> 11Mpps (Xeon E5-2660 v4@ + Mellanox 100G card).
>
> And with ipfw being processed at driver level, rather than ip_input()
> the boost is even more dramatic than 11%.
>
> https://github.com/glebius/FreeBSD/commits/pfil
>
> Soon to reach FreeBSD head :)
>
Nice! That pfil epoch-ification change should help pf too.
Kristof
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