When is it appropriate to use the current processor number as an optimization hint?
https://blogs.msdn.microsoft.com/oldnewthing/20180719-00/?p=99285 [blogs.msdn.microsoft.com]
2018-07-20 15:39
If you are going to use the current processor as a hint to avoid contention, the entire scenario needs to be quick. If the processor changes while your scenario is running, then you will have contention if the new thread also tries to perform that same processor-keyed operation.