I should make the question more precise: in a peer to peer setup where RDMA UC can achieve line rate with no packet drops, can we expect the same result with UDP with IB verbs ? Any IB verbs library restrictions that would have us see a difference in line rate or drop rate ? Dimitris On Fri, Mar 20, 2020 at 8:40 AM Dimitris Dimitropoulos <d.dimitropoulos@xxxxxxxxxxx> wrote: > > Hi Mark, > > Just a clarification: when you say reach line rates speeds, you mean > with no packet drops ? > > Thanks > Dimitris > > On Tue, Mar 17, 2020 at 4:40 PM Mark Bloch <markb@xxxxxxxxxxxx> wrote: > > If you would like to have a look at a highly optimized datapath from userspace: > > https://github.com/DPDK/dpdk/blob/master/drivers/net/mlx5/mlx5_rxtx.c > > > > With the right code you should have no issue reaching line rate speeds with raw_ethernet QPs > > > > Mark
