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A single processor has to execute a program which involves the sum of 1 0 0 floating point scalars, and a floating - point multiplication

A single processor has to execute a program which involves the sum of 100 floating point scalars, and a floating-point multiplication of a 40x40 matrix. An NxN matrix multiplication requires N2(2N 1) floating point operations. Assume all floating-point operations take the same amount of time tfp.
a) What would be the speedup if 40 processors are used to execute the same program?
b) What would be the speedup if 80 processors are used to execute the same program?
c) Is this a strong scaling or weak scaling system?

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