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A program executes 15 billion instructions. You are running this program in two systems: System A: has a processor with 3 GHz and an average CPI of 2.0 System B: has an average CPI 1.2 and execution time is 1.5 X more than system A. What is the clock speed of processor in system B.

Respuesta :

Answer:

Clock speed of B = 7.5 GHz

Given:

Processor speed of A = 3 GHz

Average CPI of A = 2

Average CPI of B = 1.2

Execution time of B is 1.5 times then A

Find:

Clock speed of B

Computation:

Execution time = CPI × Processor speed × Instructions

Execution time of B = 1.5[Execution time of A]

1.2 × Clock speed of B[15 billion] = 1.5[2 × 3][15 billion]

Clock speed of B = 7.5 GHz

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