Hi Marc,

> Conrcerning the memory limit on Mac, there might be a hint there :
> https://stackoverflow.com/questions/12268925/limit-memory-allocation-to-a-process-in-mac-os-x-10-8
>
> It's the "Answer" commen

I've also seen a lot of people saying that ulimit is not working as it's supposed to on Mac as well though. I guess I can give it a try though.

- Michael