Possibility of non stop-the-world GC in the future?

JoeCoder dnewsgroup2 at yage3d.net
Mon Feb 18 09:49:38 PST 2013


On 2/18/2013 5:35 AM, Benjamin Thaut wrote:
> I wen't down this path already and I ended up not using the GC at all:
>
> http://3d.benjamin-thaut.de/?p=20

I very much enjoyed this article.  Hopefully your changes can be applied 
upstream.

A couple of my own ideas, in hopes that those with more knowledge can 
comment:

1.  A @nogc attribute.  This would work similarly to pure/safe/nothrow 
and would check at compile time that annotated functions or any they 
call allocate any memory enforced by the GC.  Then phobos would no 
longer be a "landmine" for those with realtime requirements.

2.  GC.collect(timeout).  This would run a collection only until timeout 
is reached.  It could be called with timeout=remaining frame time, and 
would allow expensive collections to span multiple frames.




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