[vbox-dev] [PATCH] [SVN] Please Merge 7 VirtualBox Kernel Modules into the Linux Kernel

[Stephan von Krawczynski]

On Wed, 8 May 2013 21:11:03 +0200
Frank Mehnert <frank.mehnert at oracle.com> wrote:

> On Wednesday 08 May 2013 20:41:40 Stephan von Krawczynski wrote:
> > Alexey, please ask yourself why noone answers questions about the
> > networking... We _do_ comparison and I have not seen vbox with multi-cpu
> > guest-to-guest reaching
> > 
> > [  5] local 192.168.4.83 port 5001 connected with 192.168.4.23 port 49808
> > [  5]  0.0-10.0 sec  5.47 GBytes  4.69 Gbits/sec
> > 
> > (vmware iperf example)
> > 
> > ... and I really like vbox.
> 
> Please don't give up. :) Bad performance with networking in SMP guests
> is a known issue and there is work going on to fix several related bugs.
> 
> Frank

Hi Frank, nice to read you.

I did not read the corresponding code so far, but it sounds reasonable to me
that using one queue per guest cpu with affinity should let it fly.

-- 
Regards,
Stephan