On Tue, Mar 17, 2020 at 2:08 AM Yi Yang (杨燚)-云服务集团 <[email protected]> wrote: > > Hi, William > > Finally, my highend server is available and so I can do performance > comparison again, tpacket_v3 obviously has big performance improvement, here > is my data. By the way, in order to get stable performance data, please use > taskset to pin ovs-vswitchd to a physical core (you shouldn't schedule other > task to its logical sibling core for stable performance data), iperf3 client > an iperf3 use different cores, for my case, ovs-vswitchd is pinned to core 1, > iperf3 server is pinned to core 4, iperf3 client is pinned to core 5. > > According to my test, tpacket_v3 can get about 55% improvement (from 1.34 to > 2.08, (2.08-1.34)/1.34 = 0.55) , with my further optimization (use zero copy > for receive side), it can have more improvement (from 1.34 to 2.21, > (2.21-1.34)/1.34 = 0.65), so I still think performance improvement is big, > please reconsider it again. >
That's great improvement. What is your optimization "zero copy for receive side"? Does it include in the patch? Regards William _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
