[ovs-dev] [PATCH v7] netdev-dpdk: add dpdk vhost-user ports

Flavio Leitner fbl at sysclose.org
Thu May 28 16:10:08 UTC 2015


On Thu, May 28, 2015 at 03:24:32PM +0000, Gray, Mark D wrote:
> > 
> > Just a nice update below:
> > 
> > On Fri, May 22, 2015 at 06:13:25PM -0300, Flavio Leitner wrote:
> > > On Fri, May 22, 2015 at 01:52:22PM -0700, Ethan Jackson wrote:
> > > > Pravin has been handling this on our end, so he'll do it.
> > > >
> > > > Btw how does this perform out of curiosity?
> > >
> > > These are devel numbers after doing some basic tuning:
> > >
> > > 64bytes, 13.3~13.7Mpps OVS+DPDK forwarding between 2 DPDK ports.
> > > (no vhost-user)
> > 
> > I rebased my tree with latest patches and now I am seeing 14.88Mpps (10Gb
> > line rate speed) which is very nice.
> 
> I'm seeing just shy of 16Mpps (8 x 2) on a 2.8 IVB core. The RX vectorization patch
> that Kevin submitted should have removed a bottleneck on the IO that we found
> and Daniele's performance patches also added 1Mpps. We are working on
> some more optimizations.

That's excellent and I have the same findings regarding to the patches.
Thanks,
fbl




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