Hi Marko,
On Wed, Jan 13, 2021 at 10:51:03AM +0000, Kovacevic, Marko wrote: > Hi Flavio, > > > So, I see a small performance gain. Can you provide a more detailed > > test description? I wonder if we are testing the same thing. > > VSPERF phy2phy_tput uses 2 dpdk pmds and performs zero packet loss > test(RFC2544) with bidirectional traffic. Ok. > > > and PVP test results are in line with your observations. > > > NIC: Fortville 10G X710 > > > > Great. > > > > > Performance with different traffic profiles when deployed with 32VM's > > +1M flows + vxlan enabled : > > > With burst mode : ~1% increase in performance > > > > That is aligned with above. > > > > > as compared to > > > scatter mode: ~4% decrease in performance. > > > > Hm, that is unexpected. Is this reproducible? > > If you mean are the results reproducible then yes, > I done a re-run of v1 and v2 again Thanks for checking. > I ran my test against these commits to get baseline results and then ran v1 > and v2 and compared results > DPDK: b1d36cf82 (HEAD, tag: v20.11, origin/releases) version: 20.11.0 > OVS: 7f79ae2fb (HEAD -> master, origin/master, origin/HEAD) Documentation: > Simplify the website main page. > > V1: > DPDK: b1d36cf82 (HEAD, tag: v20.11, origin/releases) version: 20.11.0 > OVS: 957132b3a (HEAD -> master) netdev-dpdk: Refactor the DPDK transmit path. > 7f79ae2fb (origin/master, origin/HEAD) Documentation: Simplify the website > main page. > > V1: Burst= 1% > V1: Scatter -4% > As sunil reported already shows the same results again Alright. I will try to reproduce in my lab to understand the root cause. > As for V2 it didn't show any increase or decrease for both burst and scatter, > And even between the v1 and v2 results from my second run it didn't show much > difference on my test anyway. > > > How are you switching between burst and scatter mode? > > As for how were switching between burst and scatter, I just use two different > traffic profiles & gather results. > So I run the test using burst profile restart the test then use scatter. > > Traffic @ Phy NIC Rx: > Ether()/IP()/UDP()/VXLAN()/Ether()/IP() > > Burst: on the outer ip we do a burst of 32 packets with same ip then switch > for next 32 and so on > Scatter: for scatter we do incrementally for 32 Glad that I asked because I thought you were talking about the NIC mode with scatter enabled or not. > And we do this for 1M flows > > I hope this answers your question They are helpful. I will try to reproduce the -4% results in my lab as a next step. It may take some time. Thanks for testing and providing feedbacks! -- fbl _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev