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Compute the cumulative sum of the elements

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A Quad-core system is used the compute the cumulative sum of the elements in an 18-element vector. Assume that the time required on any core to perform a single addition is 2 nano-seconds. Taking into account only the time needed to perform the required additions and no other overhead, how long would it take to produce the cumulative sum if:

a) Only one core is used?

b) Two of the cores are used?

c) All four cores are used?

Reference no: EM131330498

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