3 (10 points) Consider three different processors P1, P2, and P3 executing the same instruction set P1 has a 1 8 GHz clock rate with a CPI of 0 8 P2 has a 2 4 GHz clock rate with a CPI of 1 2 P3 has a 3 2 GHz clock rate with a CPI of 1 6 (a) Which processor has the highest clock rate Calculate the clock period of each processor (b) Calculate the Million Instruction Per Second (MIPS) of each processor Which one has the highest MIPS rating (c) The same benchmark is compiled for each of the processors such that P2 executes 19 million instructions to completion (i e has a dynamic instruction count of 19 million instructions), while P1 and P3 have a dynamic instruction count of 22 0 million instructions Calculate the execution time of each processor Which processor is fastest (d) Assuming the reference machine takes 35 milliseconds to execute the given benchmark, cal culate the speedup of each processor compared to the reference machine

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Question: 3. (10 points) Consider three different processors P1, P2, and P3 executing the same instruction set. P1 has a 1.8 GHz clock rate with a

3. (10 points) Consider three different processors P1, P2, and P3 executing the same instruction set. P1 has a 1.8 GHz clock rate with a CPI of 0.8. P2 has a 2.4 GHz clock rate with a CPI of 1.2. P3 has a 3.2 GHz clock rate with a CPI of 1.6.

(a) Which processor has the highest clock rate? Calculate the clock period of each processor.
(b) Calculate the Million Instruction Per Second (MIPS) of each processor. Which one has the highest MIPS rating?
(c) The same benchmark is compiled for each of the processors such that P2 executes 19 million instructions to completion (i.e. has a dynamic instruction count of 19 million instructions), while P1 and P3 have a dynamic instruction count of 22.0 million instructions. Calculate the execution time of each processor? Which processor is fastest?
(d) Assuming the reference machine takes 35 milliseconds to execute the given benchmark, cal- culate the speedup of each processor compared to the reference machine.

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