Java-Thread-Affinity

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What's the point of the cores check below? And how to deal with big.LITTLE CPUs?

1

We use this Library in JDK 8 on one dedicated server whose CPU is Intel i5-13500 and this CPU uses big.LITTLE architecture. It has 6 Performance cores(which implements HyperThread Technology...

d0zingcat

Support non contiguous processor ids

1

e.g. ``` $ cat /proc/cpuinfo processor : 0 ... core id : 0 ... ... processor : 2 ... core id : 1 ... ... ```

JerryShea

setAffinity does not work as expected in Windows

8

On win 11 got warning: "Tried to set affinity to {7} but was {0,1,2,3,4,5,6,7} you may have insufficient access rights" and nohing heppend - thread remain affined to all cores....

kopavel

peter-lawrey

peter-lawrey

paulbares

Hi , i have asked how to implement it on C++ how to set affinity cores for performance cores or others :1 Here is the response : https://chatgpt.com/share/6752f5fd-eb48-8001-9b09-79ef8894312b It wont...

eix128