Question: Consider two different implementation of the same instruction set architecture. The instructions can be divided into four classes according to their CPI (class A, B,

Consider two different implementation of the same instruction set architecture. The instructions can be divided into four classes according to their CPI (class A, B, C, and D). P1 has a clock rate of 2.5 GHz and CPIs of 1 (class A), 2 (class B), 3 (class C), and 5 (class D).

Given a program with a dynamic instruction count of 25 million instructions divided into classes as follows: 15% class A, 50% class B, 25% class C, 10% class D:

a. What is the global CPI?

b. Find the clock cycles required to run the program on P1.

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