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2.3 Early examples of CISC and RISC design are the VAX 11/780 and the IBM RS/6000, respectively. Using a typical benchmark program, the following machine characteristics result: Processor Clock Frequency (MHz) Performance (MIPS) CPU Time (secs) VAX 11/780 5 1 12 x IBM RS/6000 25 18 The final column shows that the VAX required 12 times longer than the IBM measured in CPU time. a What is the relative size of the instruction count of the machine code for this benchmark program running on the two machines? b. What are the CPI values for the two machines?

2.3 Early examples of CISC and RISC design are the VAX 11/780 and the IBM RS/6000, respectively. Using a typical benchmark program, the following machine characteristics result: Processor Clock Frequency (MHz) Performance (MIPS) CPU Time (secs) VAX 11/780 5 1 12 x IBM RS/6000 25 18 The final column shows that the VAX required 12 times longer than the IBM measured in CPU time. a What is the relative size of the instruction count of the machine code for this benchmark program running on the two machines? b. What are the CPI values for the two machines?

Computer Networking: A Top-Down Approach (7th Edition)
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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2.3 Early examples of CISC and RISC design are the VAX 11/780 and the IBM RS/6000, respectively. Using a typical benchmark program, the following machine characteristics result: Processor Clock Frequency (MHz) Performance (MIPS) CPU Time (secs) VAX 11/780 1 12 x IBM RS/6000 25 18 The final column shows that the VAX required 12 times longer than the IBM measured in CPU time. a What is the relative size of the instruction count of the machine code for this benchmark program running on the two machines? b. What are the CPI values for the two machines?
Transcribed Image Text:2.3 Early examples of CISC and RISC design are the VAX 11/780 and the IBM RS/6000, respectively. Using a typical benchmark program, the following machine characteristics result: Processor Clock Frequency (MHz) Performance (MIPS) CPU Time (secs) VAX 11/780 1 12 x IBM RS/6000 25 18 The final column shows that the VAX required 12 times longer than the IBM measured in CPU time. a What is the relative size of the instruction count of the machine code for this benchmark program running on the two machines? b. What are the CPI values for the two machines?
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