Hi Ashwin, On 9 May 2017 at 16:10, Sekhar, Ashwin <ashwin.sek...@cavium.com> wrote: > On Fri, 2017-05-05 at 13:43 +0800, Jianbo Liu wrote: >> On 5 May 2017 at 12:24, Sekhar, Ashwin <ashwin.sek...@cavium.com> >> wrote: >> > >> > On Thu, 2017-05-04 at 16:42 +0800, Jianbo Liu wrote: >> > > >> > > Hi Ashwin, >> > > >> > > On 3 May 2017 at 13:24, Jianbo Liu <jianbo....@linaro.org> wrote: >> > > > >> > > > >> > > > Hi Ashwin, >> > > > >> > > > On 2 May 2017 at 19:47, Sekhar, Ashwin <ashwin.sek...@cavium.co >> > > > m> >> > > > wrote: >> > > > > >> > > > > >> > > > > Hi Jianbo, >> > > > > >> > > > > I tested your neon changes on thunderx. I am seeing a >> > > > > performance >> > > > > regression of ~10% for LPM case and ~20% for EM case with >> > > > > your >> > > > > changes. >> > > > > Did you see improvement on any arm64 platform with these >> > > > > changes. >> > > > > If >> > > > > yes, how much was the improvement? >> > > > Thanks for your reviewing and testing. >> > > > For some reason, I have not done much with the performance >> > > > testing. >> > > > I'll send a new version later after tuning the performance. >> > > > >> > > Can you tell me how did you test? >> > Built with following commands. >> > make config T=arm64-thunderx-linuxapp-gcc >> > make -j32 >> > >> > Tested LPM with >> > sudo ./examples/l3fwd/build/l3fwd -l 9,10 --master-lcore 9 -- -p >> > 0x1 --config="(0,0,10)" >> > >> > Tested EM with >> > sudo ./examples/l3fwd/build/l3fwd -l 9,10 --master-lcore 9 -- -p >> > 0x1 --config="(0,0,10)" -E >> > >> Only one port? What's the network topology, and lpm/em rules? How did >> you stress traffic...? > port - 1 topology: DUT connected back to back to traffic generator. > > We are using the default rules in the C code. flow generation is: > src.ip.min 192.168.18.1 > src.ip.max 192.168.18.90 > src.ip.inc 1 > > Also, Please let us know the topology that you are using.
I used two ports with one rule to forward packets from one to the other. Sent v2, please try this new version. Thanks! Jianbo
