Using /usr/bin/time -v ./myprog is a bad idea for looking for memory leaks.

[Stefan_Salewski]

Yes I forgot, of course I compiled always with
    
    
    nim c --gc:arc -d:useMalloc myproc.nim
    
    
    Run

I guess I can not use <https://github.com/KDE/heaptrack> as I have not 
installed Qt and KDE, and I do not really intend too. Gnome is ugly still, but 
I don't think that KDE is really better. (I used KDE for some years when I 
started with Linux decades ago :-)