On Fri, Sep 26, 2025 at 10:48 PM Michael S. Tsirkin <[email protected]> wrote: > > On Thu, Sep 25, 2025 at 06:37:08PM +0800, Jason Wang wrote: > > This patch implements in order support for both split virtqueue and > > packed virtqueue. Performance could be gained for the device where the > > memory access could be expensive (e.g vhost-net or a real PCI device): > > > > Benchmark with KVM guest: > > > > Vhost-net on the host: (pktgen + XDP_DROP): > > > > in_order=off | in_order=on | +% > > TX: 5.20Mpps | 6.20Mpps | +19% > > RX: 3.47Mpps | 3.61Mpps | + 4% > > > > Vhost-user(testpmd) on the host: (pktgen/XDP_DROP): > > > > For split virtqueue: > > > > in_order=off | in_order=on | +% > > TX: 5.60Mpps | 5.60Mpps | +0.0% > > RX: 9.16Mpps | 9.61Mpps | +4.9% > > > > For packed virtqueue: > > > > in_order=off | in_order=on | +% > > TX: 5.60Mpps | 5.70Mpps | +1.7% > > RX: 10.6Mpps | 10.8Mpps | +1.8% > > > > Benchmark also shows no performance impact for in_order=off for queue > > size with 256 and 1024. > > > > Signed-off-by: Jason Wang <[email protected]> > > Signed-off-by: Michael S. Tsirkin <[email protected]> > > > I'm not sure why my signoff is here but it does not look my > comments have been addressed.
I will remove it. > > For example, see [email protected] > > > > Could you pls go over my comments again and check they > have all been addressed? > It has been replied here: https://lkml.org/lkml/2025/9/22/28 Please tell me if it's ok for you or not. Thanks
