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 :) -- Gleb Smirnoff _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
