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Q4. Given the following two implementations P1 and P2 of the same ISA, Class A CPI on P1 1 CPI on P2 Instr. Count

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Q4. Given the following two implementations P1 and P2 of the same ISA, Class A CPI on P1 1 CPI on P2 Instr. Count 2 1000 B 2 2 2000 C 3 2 1000 D 4 4 3000 E 3 4 2000 P1 Clock Rate 4 GHz P2 Clock Rate 6 GHz a) What is the average CPI for P1? b) What is the average CPI for P2? c) What is the CPU execution time for a program that has the instruction counts shown in the above table on P1? d) What is the CPU execution time for a program that has the instruction counts shown in the above table on P2? e) Which processor is faster and by what percentage?

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