On Tue, 21 Mar 2023 11:48:27 +0100 Maciej Fijalkowski wrote: > tell mlx4 does not support xdp multi-buffer, so you were testing this FWIW ConnectX-3 [PRO] == mlx4 ConnectX-4 == mlx5 But agreed that more info would help. You'd need to have some TLB pressure to see benefit of huge pages.