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how does programmer know the thread is executed by which core?

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dalang92

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In a Multi-core system, how does a programmer know a thread is executed by which cpu? Say if we have 4 threads and 2 CPU, how does these 4 thread distributed into these 2 cores? Do we have CPU number to look at? Thanks.
 

dalang92 said:
Help~~
In a Multi-core system, how does a programmer know a thread is executed by which cpu? Say if we have 4 threads and 2 CPU, how does these 4 thread distributed into these 2 cores? Do we have CPU number to look at? Thanks.
Click to expand...

You probably cant know.
It gets complicated because Intel and AMD processers have different amounts of threads per core.
Then processors can have a different number of cores.
 

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