[Omp] 2 threads writing to shared variable

[NovaElf]

Hi! I have a question concerning multiple threads writing to a shared 
variable.
If 2 threads write different values to a shared variable, then encounter an 
implicit flush, how do we know what is the final value? Is it the job of the 
programmer to prevent this from happening, ie through #omp critical or #omp 
atomic?

Thanks in advance!

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