Question: Suppose we have a parallel program, for shared - memory machines, that consists of two threads. What is the characteristic ( s ) of these

Suppose we have a parallel program, for shared-memory machines, that consists of two threads. What is the characteristic(s) of these two threads that make them getting better performance if executing on a single two-way hyperthreading core instead of two cores each of which is superscalar? Assume the two threads belong to the same process.

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