Consider two different implementations 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 with a clock rate of 2.5 GHz and CPIs of 1, 2, 3, and 3, and P2 with a clock rate of 3 GHz and CPIs of 2, 2, 2, and 2. Given a program with a dynamic instruction count of 1 million instructions divided into classes as follows: 10% class A 20% class B 50% class C and 20% class D Which implementation is faster? P1 None P2

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Consider two different implementations 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 with a clock rate of 2.5 GHz and CPIs of 1, 2, 3, and 3, and P2 with a clock
rate of 3 GHz and CPIs of 2, 2, 2, and 2.
Given a program with a dynamic instruction count of 1 million instructions divided
into classes as follows:
10% class A
20% class B
50% class C
and 20% class D
Which implementation is faster?
P1
None
P2
Transcribed Image Text:Consider two different implementations 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 with a clock rate of 2.5 GHz and CPIs of 1, 2, 3, and 3, and P2 with a clock rate of 3 GHz and CPIs of 2, 2, 2, and 2. Given a program with a dynamic instruction count of 1 million instructions divided into classes as follows: 10% class A 20% class B 50% class C and 20% class D Which implementation is faster? P1 None P2
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