You are performing two sums: the first is a sum of two scalar variables and the
You are performing two sums: the first is a sum of two scalar variables and the second is a matrix sum of a pair of two- dimensional arrays-size 1000 by 1000.What speedup is achieved when the calculations are performed on size 1000 processors?
A．50
B．100
C．999
D．none of the above
正确答案：C
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