Björn Töpel <bjorn.topel@xxxxxxxxx> writes: > On 2021-02-26 12:40, Björn Töpel wrote: >> On 2021-02-26 12:37, Toke Høiland-Jørgensen wrote: > > [...] > >>> >>> (That last paragraph above is why I asked if you updated the performance >>> numbers in the cover letter; removing an additional function call should >>> affect those, right?) >>> >> >> Yeah, it should. Let me spend some more time benchmarking on the DEVMAP >> scenario. >> > > I did a re-measure using samples/xdp_redirect_map. > > The setup is 64B packets blasted to an i40e. As a baseline, > > # xdp_rxq_info --dev ens801f1 --action XDP_DROP > > gives 24.8 Mpps. > > > Now, xdp_redirect_map. Same NIC, two ports, receive from port A, > redirect to port B: > > baseline: 14.3 Mpps > this series: 15.4 Mpps > > which is almost 8%! Or 5 ns difference: 10**9/(14.3*10**6) - 10**9/(15.4*10**6) 4.995004995005004 Nice :) -Toke
