How to close cache prefetching in windows?

Question

In a C / C ++ program, how to close the prefetch of each kernel on a Windows system?

Answer 1

There is a call to the Windows API FlushInstructionCache ()

Perhaps this is what you need? It is usually used by a self-modifying code to make sure that changes to the code in RAM are visible to the processor.

Answer 2

I saw this trick mentioned in some code, although I'm not 100% sure if this trick is what you are looking for, however the code was this

  Sleep (0);

Using Sleep(0) , you clear the CPU instructions and call the context switch ... Now you said “for each core”, I don’t think that you can explicitly choose a kernel for this, how do you know which kernel the code that is needed to close the cache prefetch is executed ....