3-Assume a program requires the execution of 60*10^6 FP instructions, 120 × 10^6 INT instructions, 40 x 10^6 LIS instructions, and 30 x 10^6 branch instruc- tions. The CPI for each type of instruction is 4, 2, 3 and 5, respectively. Assume that the processor has a 4 GHz clock rate. a. By how much must we improve the CPI of FP instructions if we want the pro- gram to run three times faster? b. By how much must we improve the CPI of L/S instructions if we want the pro- gram to run three times faster? c. By how much is the execution time of the program improved if the CPI of INT and FP instructions is reduced by 40% and the CPI of L/S and Branch is re- duced by 45%?

3-Assume a program requires the execution of 60*10^6 FP instructions, 120 × 10^6 INT instructions, 40 x 10^6 LIS instructions, and 30 x 10^6 branch instruc- tions. The CPI for each type of instruction is 4, 2, 3 and 5, respectively. Assume that the processor has a 4 GHz clock rate. a. By how much must we improve the CPI of FP instructions if we want the pro- gram to run three times faster? b. By how much must we improve the CPI of L/S instructions if we want the pro- gram to run three times faster? c. By how much is the execution time of the program improved if the CPI of INT and FP instructions is reduced by 40% and the CPI of L/S and Branch is re- duced by 45%?

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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