LinkedIn Article to be: Why you need to start moving off C/C++ to D, now.

Paulo Pinto via Digitalmars-d digitalmars-d at puremagic.com
Tue Jul 15 13:16:33 PDT 2014


Am 15.07.2014 22:03, schrieb Chris:
> On Monday, 14 July 2014 at 23:43:57 UTC, H. S. Teoh via Digitalmars-d
> wrote:
>> On Mon, Jul 14, 2014 at 11:22:53PM +0000, John Carter via
>> Digitalmars-d wrote:
>> [...]
>>> Any other good blog posts / social media comments / pointers I can
>>> digest and use?
>>
>> This one came to mind:
>>
>> http://bartoszmilewski.com/2013/09/19/edward-chands/
>>
>>
>
>  From the link above:
>
> "It’s a common but false belief that reference counting (using shared
> pointers in particular) is better than garbage collection. There is
> actual research* showing that the two approaches are just two sides of
> the same coin. You should realize that deleting a shared pointer may
> lead to an arbitrary long pause in program execution, with similar
> performance characteristics as a garbage sweep. It’s not only because
> every serious reference counting algorithm must be able to deal with
> cycles, but also because every time a reference count goes to zero on a
> piece of data a whole graph of pointers reachable from that object has
> to be traversed. A data structure built with shared pointers might take
> a long time to delete and, except for simple cases, you’ll never know
> which shared pointer will go out of scope last and trigger it."
>
> * http://www.cs.virginia.edu/~cs415/reading/bacon-garbage.pdf

+1 :)


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