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Computer science / Computer Organization and Design 5 / Chapter 2 / Problem 2.46.2

Computer Organization and Design | 5th Edition | ISBN: 9780124077263 | Authors: David A. Patterson

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Suppose that we find a way to double the performance of

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QUESTION:

Suppose that we find a way to double the performance of arithmetic instructions. What is the overall speedup of our machine? What if we find a way to improve the performance of arithmetic instructions by 10 times?

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QUESTION:

Suppose that we find a way to double the performance of arithmetic instructions. What is the overall speedup of our machine? What if we find a way to improve the performance of arithmetic instructions by 10 times?

ANSWER:

Problem 2.46.2

Suppose that we find a way to double the performance of arithmetic instructions. What is the overall speedup of our machine? What if we find a way to improve the performance of arithmetic instructions by 10 times?

Step By Step Solutions

Step 1 of 2

Given,

CPI of arithmetic instructions = 1

CPI of load/store instructions = 10

CPI of branch instructions = 3

Also, the instruction breakdowns are:

500 million arithmetic instructions

300 million load/store instructions

100 million branch instructions

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