More radical ideas about gc and reference counting

Francesco Cattoglio via Digitalmars-d digitalmars-d at puremagic.com
Sat May 10 00:42:03 PDT 2014


On Saturday, 10 May 2014 at 07:08:04 UTC, Andrei Alexandrescu 
wrote:
> On 5/9/14, 11:27 PM, Manu via Digitalmars-d wrote:
>> ARC overhead would have no meaningful impact on performance, 
>> GC may
>> potentially freeze execution. I am certain I would never 
>> notice ARC
>> overhead on a profiler, and if I did, there are very simple 
>> methods to
>> shift it elsewhere in the few specific circumstances it 
>> emerges.
>
> This is very, very, very wrong. -- Andrei

I've seen this discussion ("it's almost performance-free", "it's 
a performance killer") so many times, I can't even say who has 
the burden of proof anymore.


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