NUMA nodes configuration

Copper Contributor

Where can I configure the amount of NUMA nodes in Windows Server 2016?


Background: A client is testing an intel 112 core physical server (4 sockets) for a high performance computing application. The app uses OpenMP to dispatch work. 


Under windows 2016, the sever creates 8 Numa Nodes, under window 2012 r2, only while 4 nodes are created under windows 2012 r2. They are considering using 2012 r2, because with only 4 nodes, the app is more performant. 


Where are the settings controlling allocation of NUMA nodes? Guidance? Help?

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