Am 07.12.2018 um 20:37 schrieb Mirfaelltkeinerein:
> I just found out that it has something to do with 'processor groups', as Windows
> divides the cores for >64 core machines in several groups and a program which is
> not aware of processor groups is limited to stay in one group. In my case the
> groups are 48 processors and both groups are equal in size.

Yes, you're stuck with 48 threads. I don't think that will change any 
time soon - we're using Boost for thread management, which does not seem 
to support processor groups yet.

It might be worth trying whether the "Windows Subsystem for Linux" can 
make use of all processors simultaneously.

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