GCs in the news

Chris via Digitalmars-d digitalmars-d at puremagic.com
Thu Jul 17 15:56:47 PDT 2014


On Thursday, 17 July 2014 at 22:27:52 UTC, Dicebot wrote:
> On Thursday, 17 July 2014 at 22:21:54 UTC, Brad Anderson wrote:
>> Well the idea is that you then copy into an output range with 
>> whatever allocation strategy you want at the end. There is 
>> quite a bit of overlap I think. Not complete overlap and 
>> OutputRange accepting functions will still be needed but I 
>> think we should prefer the lazy approach where possible.
>
> It is not always possible - sometimes resulting range element 
> must be already "cooked" object. I do agree it is a powerful 
> default when feasible though. At the same time simple output 
> range overloads is much faster to add.

 From what I'm getting is that we might have the chance here to 
redefine memory usage, as was pointed out by Teoh et al. Reduce 
allocations as much as possible, avoiding a problem in the first 
place is better than solving it. It's worth thinking in this 
direction, cos the GC / RC issue will always boil down to the 
fact that there is a price to be paid.


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