Question: Consider two different implementations of the same ISA. The instructions can be divided into four different classes according to their CPI (classes A, B, C,

Consider two different implementations of the same ISA. The instructions can be divided into four different classes according to their CPI (classes A, B, C, and D). P1 has a clock rate of 2.5 GHz and CPIs of 1, 2, 3, and 3. P2 has a clock rate of 3.0 GHz and CPIs of 2, 2, 2, and 2.

Given a program with a dynamic instruction count of 1 x 10⁶ instructions divided into classes as follows:

10% class A, 40% class B, 30% class C, and 20% class D

Which is faster: P1 or P2?

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