Escaping the Tyranny of the GC: std.rcstring, first blood

[via Digitalmars-d]

On Saturday, 20 September 2014 at 15:30:55 UTC, Andrei 
Alexandrescu wrote:
> I understand. RC strings will work just fine. Compared to 
> interlocked approaches we're looking at a 5x improvement in RC 
> speed for the most part because we can dispense with most 
> interlocking. -- Andrei

Can someone explain why?

Since fibers can travel between threads, they will also be able 
to leak objects to different threads.