Question 9: Consider the timing diagram of Figure 1. Assume that there is only a five-stage pipeline (fetch, read, encode, execute, and write). Redraw the diagram to show how many time units are now needed for ten instructions. Time 3 | 4| 5| 6 12 2 10 11 13 14 Instruction 1 FI DI co FO EI wo Instruction 2 FI DI co| Fo | EI wo Instruction 3 FI DI co Fo EI wo Instruction 4 DI co FO EI wo FI Instruction 5 FI DI co | FO EI wo FI DI co FO| EI wo Instruction 6 Instruction 7 DI co FO EI wo FI Instruction 8 co FO EI FI DI WO Instruction 9 FI DI CO FO EI wo Figure 1: Timing Diagram for Instruction Pipeline Operation
Question 9: Consider the timing diagram of Figure 1. Assume that there is only a five-stage pipeline (fetch, read, encode, execute, and write). Redraw the diagram to show how many time units are now needed for ten instructions. Time 3 | 4| 5| 6 12 2 10 11 13 14 Instruction 1 FI DI co FO EI wo Instruction 2 FI DI co| Fo | EI wo Instruction 3 FI DI co Fo EI wo Instruction 4 DI co FO EI wo FI Instruction 5 FI DI co | FO EI wo FI DI co FO| EI wo Instruction 6 Instruction 7 DI co FO EI wo FI Instruction 8 co FO EI FI DI WO Instruction 9 FI DI CO FO EI wo Figure 1: Timing Diagram for Instruction Pipeline Operation
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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Transcribed Image Text:Question 9: Consider the timing diagram of Figure 1. Assume that there is only a five-stage pipeline
(fetch, read, encode, execute, and write). Redraw the diagram to show how many time units are now
needed for ten instructions.
Time
1 | 2 | 3 | 4 |
5
10
11
12
13
14
Instruction 1
DI
co FO EI wo
FI
Instruction 2
FI
DI co| Fo EI wo
Instruction 3
FI
DI co Fo
EI wo
DI co FO EI
Instruction 4
FI
wo
DI co FO EI
DI co FO
Instruction 5
FI
wo
Instruction 6
FI
EI
wo
Instruction 7
FI
DI |co FO
EI
wo
Instruction 8
FI| DI co FO
wo
EI
Instruction 9
FI
DI
co| FO
EI
wO
Figure 1: Timing Diagram for Instruction Pipeline Operation
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