References
Basic information
1. Numa
How to check the mapping of the Network adapter to the NUMA node?
Each of the EYPC EPYC CPUs comes with 4 NUMA nodes (8 NUMAs on 2 sockets).
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Note that other OEMs may map differently the cores to CPUs. Here is another example from Dell R7415 with one socket equipped with EYPC EPYC 7551.
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# lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian ... Thread(s) per core: 1 Core(s) per socket: 32 Socket(s): 1 NUMA node(s): 4 Vendor ID: AuthenticAMD ... Model name: AMD EPYC 7551 32-Core Processor ... CPU MHz: 1996.203 ... NUMA node0 CPU(s): 0,4,8,12,16,20,24,28 NUMA node1 CPU(s): 1,5,9,13,17,21,25,29 NUMA node2 CPU(s): 2,6,10,14,18,22,26,30 NUMA node3 CPU(s): 3,7,11,15,19,23,27,31 ... |
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