Minimize GC memory footprint

[frame]

On Saturday, 6 February 2021 at 20:24:00 UTC, frame wrote:

> Hmmm.. with -m64 it's reporting 80 MB used, 203 MB are really 
> marked as private bytes. Constant. If I use GC.minimize() it 
> goes up and down and sometimes consumes more than 203 MB. Best 
> is 100MB. But it doesn't leak endlessly like the 32bit variant.

Update:

Thanks to Adam's bug report:
https://issues.dlang.org/show_bug.cgi?id=21550

My poorly delivered example modified foo() runs also smooth on 
32bit now:

>void foo() {
>    string[] s;
>
>    foreach (i; 0 .. 50_000_00) {
>        s ~= "a";
>    }
>		
>    // GC.free(s.ptr);
>    GC.free(GC.addrOf(s.ptr));
>}

I think the automatic GC is also affected by this issue.