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Tag: cpu-architecture

How many NUMA nodes on a Power8 processor

I am using Ubuntu 15.04 on a two sockets Power8 machine, each socket has 10 cores. “numactl -H” outputs: The problem is, are there two NUMA nodes on each Power8 processor? Any why one has memory but the other one has nothing. I can’t find any document about this. Any information would be appreciated. A further question, if there are

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