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

[eugene]

On Friday, 10 September 2021 at 11:53:04 UTC, eugene wrote:
> On Friday, 10 September 2021 at 11:32:02 UTC, Adam D Ruppe 
> wrote:
>> You either pass as an argument *to your application*
>> --DRT-gcopt=parallel:0
>
> oops... :)

ps xH | grep [e]cho
  5727 pts/14   S+     0:13 ./echo-server --DRT-gcopt=parallel:0
  5762 pts/15   S+     0:12 ./echo-client --DRT-gcopt=parallel:0

thanks everybody for answers!