Consider three different processors P1, P2, and P3 executing the same instruction set with the clock rates

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Consider three different processors P1, P2, and P3 executing the same instruction set with the clock rates and CPIs given in the following table.a. b. Processor P1 P2 P3 P1 P2 P3 Clock Rate 3 GHz 2.5 GHz 4 GHz 2 GHz 3 GHz 4 GHz CPI 1.5 1.0 2.2 1.2 0.8 2.0

We are trying to reduce the time by 30% but this leads to an increase of 20% in the CPI. What clock rate should we have to get this time reduction?

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Computer Organization And Design The Hardware Software Interface

ISBN: 9780123747501

4th Revised Edition

Authors: David A. Patterson, John L. Hennessy

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