GDC - program runs in one thread, DMD - in 4 threads, why?

[Basile B.]

On Friday, 10 September 2021 at 09:27:49 UTC, eugene wrote:
> Here is test program (which is using DList aggressively)
> [...]
> Can this (really unwanted) behavior be disabled in DMD?
> I do not want to have multiple threads,
> a program (real program, not the test above) has to be 
> single-threaded.
>
> system used:
> @dexp ~ $ cat /etc/debian_version
> 8.11

most recent dmd has a GC that collect in threads. it can be tuned 
but I dont find the documentation for this right now.