> On Jul 13, 2018, at 11:15 AM, Roman Mamedov <[email protected]> wrote: > > On Fri, 13 Jul 2018 08:49:45 -0500 > Lonnie Abelbeck <[email protected]> wrote: > >> For certain lower-end x86 boxes I test, I noticed WG 0.0.20180708 w/NAPI >> actually slowed down receive performance. >> >> Jason recently added "receive: use gro call instead of plain call" [1] >> commit, which made a big performance improvement. > > Yes I'm also seeing about 20% higher performance with this patch (from 1.3-1.4 > to 1.6 Gbit on same-host VMs). This is awesome!
Hi Roman, thanks for the followup ... > ...and... if I switch TCP Congestion Control from bbr to illinois on sender, I > now get 2.0 Gbit. WTF. :) > Lonnie, which one do you use on your hosts? We are using Linux 3.16.57 and CONFIG_TCP_CONG_ADVANCED=n, so standard stuff ... pbx ~ # sysctl net.ipv4.tcp_available_congestion_control net.ipv4.tcp_available_congestion_control = cubic reno pbx ~ # sysctl net.ipv4.tcp_congestion_control net.ipv4.tcp_congestion_control = cubic Lonnie _______________________________________________ WireGuard mailing list [email protected] https://lists.zx2c4.com/mailman/listinfo/wireguard
