1.5 [4] <$1.6> Consider three different processors Pl, P2, and P3 executing the same instruction set. P1 has a 3 GHz clock rate and a CPI of 1.5. P2 has a 2.5 GHz clock rate and a CPI of 1.0. P3 has a 4.0 GHz clock rate and has a CPI of 2.2. a. Which processor has the highest performance expressed in instructions per second? b. If the processors each execute a program in 10 seconds, find the number of cycles and the number of instructions. c. We are trying to reduce the execution 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?
1.5 [4] <$1.6> Consider three different processors Pl, P2, and P3 executing the same instruction set. P1 has a 3 GHz clock rate and a CPI of 1.5. P2 has a 2.5 GHz clock rate and a CPI of 1.0. P3 has a 4.0 GHz clock rate and has a CPI of 2.2. a. Which processor has the highest performance expressed in instructions per second? b. If the processors each execute a program in 10 seconds, find the number of cycles and the number of instructions. c. We are trying to reduce the execution 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?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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![1.5 [4] <$1.6> Consider three different processors P1, P2, and P3 executing
the same instruction set. P1 has a 3 GHz clock rate and a CPI of 1.5. P2 has a
2.5 GHz clock rate and a CPI of 1.0. P3 has a 4.0 GHz clock rate and has a CPI
of 2.2.
a. Which processor has the highest performance expressed in instructions per second?
b. If the processors each execute a program in 10 seconds, find the number of
cycles and the number of instructions.
c. We are trying to reduce the execution 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?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F76b39ad3-98e6-4bd8-afd7-9890d91d962f%2F27fadacf-a1d4-4ca6-9912-aea8faaa892d%2Fjt7i21_processed.png&w=3840&q=75)
Transcribed Image Text:1.5 [4] <$1.6> Consider three different processors P1, P2, and P3 executing
the same instruction set. P1 has a 3 GHz clock rate and a CPI of 1.5. P2 has a
2.5 GHz clock rate and a CPI of 1.0. P3 has a 4.0 GHz clock rate and has a CPI
of 2.2.
a. Which processor has the highest performance expressed in instructions per second?
b. If the processors each execute a program in 10 seconds, find the number of
cycles and the number of instructions.
c. We are trying to reduce the execution 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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