Question: In a NUMA multiprocessor system, local memory references take 20 ns while remote references take 120 ns. A certain program makes N memory references during

In a NUMA multiprocessor system, local memory references take 20 ns while remote references take 120 ns. A certain program makes N memory references during its execution, 1 percent of which are to page P. This page is initially remote, and it takes X ns to copy it locally. Under what conditions should the page be copied locally in the absence of signified use by other processors?

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