> From: Michael S. Tsirkin <mst@xxxxxxxxxx> > Sent: Thursday, September 21, 2023 10:31 PM > Another question I'm interested in is whether there's actually a performance > benefit to using this as compared to just software vhost. I note there's a VM exit > on each IO access, so ... perhaps? > Would be nice to see some numbers. Packet rate and bandwidth are close are only 10% lower than modern device due to the batching of driver notification. Bw tested with iperf with one and multiple queues. Packet rate tested with testpmd.
