RE: [PATCH vfio 11/11] vfio/virtio: Introduce a vfio driver over virtio devices

[Parav Pandit via Virtualization]

> From: Michael S. Tsirkin <m...@redhat.com>
> 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.
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