> On Jul 22, 2015, at 2:36 AM, Gray, Mark D <mark.d.gray at intel.com> wrote: > > >> >> I'd like to hope that's my methodology problem, but I just follow the >> installation guide without any customization. >> >> Hi Mark, do you have any performance data share with us? Maybe we are >> using different type of workloads, like I mentioned I am using typical data >> center workload, I guess you are talking about NFV type of workload? > > The number getting floated around on the mailing list recently is 16.5Mpps > for phy-phy. However, I don't think we have any iperf data off-hand for your > usecase. When we test throughput into the vm we usually generate the traffic > externally > and send NIC->OVS->VM->OVS->NIC. This is a little different to your setup. >
I guess pmd driver is used inside VM in that case, right? > I do know, however, that ovs-dpdk typically has a much larger throughput than > the kernel space datapath. > I'd like to say it depends on workloads, for small/medium packet size workload, that's definitely true, while for TSO size workload, it's not that obvious (or worse) as data path overheads are amortized and H/W can be leveraged. > Have you seen this? > https://wiki.opnfv.org/characterize_vswitch_performance_for_telco_nfv_use_cases > Thanks for the pointer, I'll try later. >> >> Thanks, >> Jun
