Mac Apps That Use Garbage Collection Must Move to ARC

[Walter Bright via Digitalmars-d]

On 2/24/2015 1:30 AM, Tobias Pankrath wrote:
> Are the meaningful performance comparisons
> between the two pointer types that would enable us to estimate
> how costly emitting those barriers in D would be?

Even 10% makes it a no-go. Even 1%.

D has to be competitive in the most demanding environments. If you've got a 
server farm, 1% speedup means 1% fewer servers, and that can add up to millions 
of dollars.