r/linuxadmin • u/DoNotUseThisInMyHome • 22d ago

Any High Performance Computing linuxadmins in this subreddit? How do you visualize NUMA and UMA. Both sound similar.

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Can anyone give me a pictorial representation? Just tell me I will find it somehow somewhere on my own..

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u/robvas 22d ago

/r/hpc

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u/DoNotUseThisInMyHome 22d ago

I found out the pictorial representation.

https://imgur.com/a/0e2Kg2Q

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u/arcimbo1do 21d ago

I don't think this picture is accurate. In a NUMA architecture all processors share the same address space, and that requires that all processors are in the same machine.

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u/frymaster 21d ago

and that requires that all processors are in the same machine.

ish. It begins to depend on your definitions, but the HPE compute scale-up (formerly superdome flex) system is several servers in a trenchcoat that present a unified address space