[boehms-gc] Performance results

[Laurynas Biveinis]

> GCC is just too huge to try and implement reference counting
> just to see what it would do, right?  All managed structures would have
> to include a base class with the count in it and all new references would
> have to be through a macro...

That's certainly possible, maybe even interesting, but I'm not going
to try this :) Circular references could be handled by fallbacking to
mark-and-sweep time from time.

-- 
Laurynas