Re: [Alacrityvm-devel] [GIT PULL] AlacrityVM guest drivers for2.6.33

From: Chris Wright
Date: Wed Dec 23 2009 - 13:23:43 EST


* Peter W. Morreale (pmorreale@xxxxxxxxxx) wrote:
> On Wed, 2009-12-23 at 13:14 +0100, Andi Kleen wrote:
> > > http://www.redhat.com/f/pdf/summit/cwright_11_open_source_virt.pdf
> > >
> > > See slide 32. This is without vhost-net.
> >
> > Thanks. Do you also have latency numbers?
> >
> > It seems like there's definitely still potential for improvement
> > with messages <4K. But for the large messages they indeed
> > look rather good.
> >
> > It's unclear what message size the Alacrity numbers used, but I presume
> > it was rather large.
>
> No. It was 1500. Please see:
>
> http://developer.novell.com/wiki/index.php/AlacrityVM/Results

That's just MTU. Not the message size. We can infer the message size by
the bare metal results (reasonably large), but is helpful to record that.

thanks,
-chris
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