Question: 1. Consider three different processors P1, P2 and P3 executing the same instruction set. P1 has a 2 GHz clock rate and a CPI of

1. Consider three different processors P1, P2 and P3 executing the

1. Consider three different processors P1, P2 and P3 executing the same instruction set. P1 has a 2 GHz clock rate and a CPI of 2.5. P2 has a 1.5GHz clock rate and a CPI of 2.0. P3 has a 3.0GHz clock rate and has a CPI of 1.2. a. Which processor has the highest performance expresses in instructions per second? b. If the processors each execute a program in 15 seconds, find the number of cycles and the number of instructions. c. We are trying to reduce the execution time by 20% but this leads to an increase of 30% in the CPI. What clock rate should we have to get this time reduction

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