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

[drug]

10.09.2021 12:27, eugene пишет:

> //import std.container.dlist; // dmd (v2.097.2)
> import std.container: DList; // gdc (4.9.2)
> 


It is off-topic a bit but I think none can compare gdc 4.9.2 to dmd 
2.097.2 because gdc has older version than dmd. I would compare gdc to 
appropriate dmd version, it's about 2.078. But note that gdc backported 
some code from more recent dmd-fe versions so it has 2.078-dirty version 
in fact.