> -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Jun Xiao > Sent: Friday, August 21, 2015 8:18 PM > To: Gray, Mark D > Cc: dev > Subject: [dpdk-dev] vSwitch Performance Comparison for NFV Use Case > > Hi Mark, > Last time we discussed methodologies for vSwitch performance comparison, and > the performance data we published is more for typical TCP based applications > in virtualized data centers.Today we shared more data for small packet size > traffic at?http://cloudnetengine.com/en/blog/2015/08/21/vswitch-performance- > comparison-nfv-use-case, and the perfomance gets much closed (around?10-20%) > between OVS-DPDK and CNE vSwitch as the tests are barely forwarding and > without any other features. > > On the other hand, it's really hard to find any public performance data for > OVS-DPDK under pNIC -> vSwitch -> VM -> vSwitch -> pNIC case. What I observed > is that OVS-DPDK can have generally less than 3 MPPS on my setup (vhost user > is used instead of IVSHMEM), don't know if the data are aligned with what you > have?
That seems reasonable enough (maybe a little low) considering you are on a 2.4 GHz and are using one logical core so the pmd will be sharing a physical core. As you said you will get greater performance if you add another pmd. You will also get better performance if you set rx_mrgbuf=off. Did you core affinitize the pmd to an empty core and the pkt fwding qemu thread to make sure they get the cycles they need? > Thanks,Junwww.cloudnetengine.com
