Discussion on Go and D

[Sean Kelly]

It shouldn't be hard to retrofit the Boehm collector into D if anyone cares to make a comparison. 

On Apr 6, 2012, at 11:36 AM, bearophile <bearophileHUGS at lycos.com> wrote:

> Andrei Alexandrescu:
> 
>> A few more samples of people's perception of the two languages:
>> 
>> http://news.ycombinator.com/item?id=3805302
> 
> Some of the comments in that ycombinator thread are a bit unnerving.
> 
> There is a similar thread on Reddit too:
> http://www.reddit.com/r/programming/comments/rvwj0/go_severe_memory_problems_on_32bit_systems/
> 
> Two quotes from the Reddit page:
> 
>> The Boehm GC attempts to mitigate this by detecting false references to free blocks and blacklisting before they become references to live blocks, restricting their use to low-impact situations.
> Also Boehm supports typed allocation(gc_typed.h/GC_malloc_explicitly_typed) where you tell GC that pointers are located only at specific offsets and everything other should be ignored.<
> 
>> tag data as no-pointers and allocate in separate section. The garbage collector can avoid scanning this section, with reduces collection time as well as the number of false positives.<
> 
> Bye,
> bearophile