Xen for Human Beings

[Matthew Palmer]

On Wed, Apr 26, 2006 at 11:59:46AM -0700, Erast Benson wrote:
> > On 4/26/06, Erast Benson <erast at gnusolaris.org> wrote:
> >
> >> ... and Linux-based distributions
> >> with minimal performance loss (5-10%), which is way more efficient than
> >> Xen/VMware/etc..
> >
> >
> > vmware and xen don't use the same techniques, and vmware's performance
> > overhead is considerably higher:
> > http://en.wikipedia.org/wiki/Xen_(virtual_machine_monitor)#Comparison_with_other_Virtual_Machine_Managers_.28VMMs.29
> 
> Correct. Xen != UML != VMware != BrandZ
> 
> I tried them all and I would sort them in this way (top - best performance):
> 
> BrandZ
> Xen

What is the quantitative difference in performance between these two?  What
number is large enough for you to rate BrandZ as "way more efficient"?

- Matt