Is each process tied to a specific kernel?

Question

Programming

Is this true on all operating systems? Can the process threads exit too only use 1 core?

Answer 1

why should they redirect to another similar one
in any case, even if the process or thread switches the context, it will still be on the same core even if it is different

Answer 2

Processes and threads in-depth. Overview of different flow...

Answer 3

Frank Luna (DirectX 12) states that timer readings can vary due to operating system switching of the main thread to different processors (cores?):
MSDN has the following remark about QueryPerformanceCounter:
“On a multiprocessor computer, it should not matter which processor is called.
However, you can get different results on different processors due to bugs in the
basic input/output system (BIOS) or the hardware abstraction layer (HAL).” You
can use the SetThreadAffinityMask function so that the main application
thread does not get switch to another processor.