A thread without GC

[John Colvin]

On Monday, 8 July 2013 at 14:11:16 UTC, w0rp wrote:
> On Monday, 8 July 2013 at 14:04:41 UTC, John Colvin wrote:
>> I would post this in d.learn, but I suspect there isn't an 
>> easy answer so it would be good to have some serious 
>> discussion here.
>>
>> Is there any way to create a thread that is totally free from 
>> the garbage collector?
>>
>> I.e.
>> Nothing in that thread will ever be scanned by the GC.
>> Therefore, when the GC "stops the world", that thread can just 
>> keep on going.
>>
>> Obviously one could create a separate process, but it would be 
>> nice to have it encapsulated within a single process for 
>> optimum speed of communication and not having to mess around 
>> with pipes.
>>
>> P.S. Yes I realise how careful one would have to be when using 
>> this.
>
>
> We really need to implement a better GC. That's the very hard 
> but better solution.

We need to have a <b>choice</b> of GCs. There is no single design 
that is right for every use case. Sometimes (admittedly rather 
rarely) conservative stop-the-world is actually a good thing!