Assume an add takes 1 cycle, a mult 4 cycles, and a sub 2 cycles. Two different compilers produce the following loops for the same code: mult add mult sub Loop 1000000 times Program A i. j. add add mult sub add add Loop 1000000 times Program B What's the CPI for both A and B? How long it take to run each program on a 200 MHz CPU?

Assume an add takes 1 cycle, a mult 4 cycles, and a sub 2 cycles. Two different compilers produce the following loops for the same code: mult add mult sub Loop 1000000 times Program A i. j. add add mult sub add add Loop 1000000 times Program B What's the CPI for both A and B? How long it take to run each program on a 200 MHz CPU?

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Assume an add takes 1 cycle, a mult 4 cycles, and a sub 2 cycles. Two different
compilers produce the following loops for the same code:
mult
add
mult
sub
Loop
1000000
times
Program A
i.
j.
add
add
mult
sub
add
add
Loop
1000000
times
Program B
What's the CPI for both A and B?
How long it take to run each program on a 200 MHz CPU?

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