Suppose a program takes 2 billion instructions to execute on a processor running at 2.5 GHz. Suppose also that 30% of the instructions execute in 3 clock cycles, 30% execute in 2 clock cycles, and 40% execute in 4 clock cycles. Calculate the average CPI and the execution time for the program. average CPI = 3.15 A Execution Time = 2.1 seconds average CPI = 3.4 Execution Time = 2.27 seconds average CPI = 3.8 Execution Time = 2.66 seconds average CPI = 3.05 Execution Time = 2.44 seconds average CPI = 3.10 Execution Time = 2.48 seconds

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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Suppose a program takes 2 billion instructions to execute on a processor running at 2.5 GHz. Suppose also that 30% of the
instructions execute in 3 clock cycles, 30% execute in 2 clock cycles, and 40% execute in 4 clock cycles. Calculate the average CPI and
the execution time for the program.
average CPI = 3.15
A
Execution Time = 2.1 seconds
average CPI = 3.4
Execution Time = 2.27 seconds
B
average CPI = 3.8
Execution Time = 2.66 seconds
(D
average CPI = 3.05
Execution Time = 2.44 seconds
average CPI = 3.10
E
Execution Time = 2.48 seconds
Transcribed Image Text:Suppose a program takes 2 billion instructions to execute on a processor running at 2.5 GHz. Suppose also that 30% of the instructions execute in 3 clock cycles, 30% execute in 2 clock cycles, and 40% execute in 4 clock cycles. Calculate the average CPI and the execution time for the program. average CPI = 3.15 A Execution Time = 2.1 seconds average CPI = 3.4 Execution Time = 2.27 seconds B average CPI = 3.8 Execution Time = 2.66 seconds (D average CPI = 3.05 Execution Time = 2.44 seconds average CPI = 3.10 E Execution Time = 2.48 seconds
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