Am Freitag, 7. Dezember 2018 13:07:45 UTC+1 schrieb Bill Hart:
>
> How many physical cores do you have on the machine (not logical cores), 
> and how many CPU sockets and what is the cache structure? (I assume it is 
> at least 16 physical cores, but I'm asking more because this sort of thing 
> often happens because of shared caches.)
>

It has 2 CPU sockets, each having 8 physical cores with 2 threads each. As 
for the cache:

L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 20480K

Does this answer the question? Also, here is a specification: 
https://ark.intel.com/products/64584/Intel-Xeon-Processor-E5-2660-20M-Cache-2-20-GHz-8-00-GT-s-Intel-QPI-
 

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