Per thread heap, GC, etc.

[Imperatorn]

On Friday, 14 May 2021 at 15:16:55 UTC, Ola Fosheim Grøstad wrote:
> On Friday, 14 May 2021 at 15:10:37 UTC, Imperatorn wrote:
>> On Friday, 14 May 2021 at 13:48:12 UTC, Markk wrote:
>>> Hi,
>>>
>>> Just some thoughts after reading a handful Rust and D 
>>> books... and after having seen so many wrinkle their noses at 
>>> GC ... and therefore, unfortunately D.
>>>
>>> _Mark
>>
>> Interesting thoughts. Just a general question I've been trying 
>> to understand:
>> Why do you think ppl "wrinkle their noses at GC"? 🤔
>
> For low level programming in general:
>
> 1. real time issues/performance
> 2. unpredictable cleanup (finalization/RAII)
> 3. higher memory consumption
> 4. more challenging interop with other languages
> 5. cannot be used in some execution contexts
>
> For D specifically:
> 1. freezing all GC threads
> 2. no tracking of ownership-type in the type system

For low level I wouldn't even think of trying to use GC.

1. Yeah, the implementation could be improved