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In the working set model, the idea is to examine the most recent A page references. It is also known as an approximation of the Program's Locality. If the total demand is greater than the total number of available frames (D > m), then it will cause thrashing, because in this case, some processes will not have enough frames. Below you see 3 processes and their expected memory references during their execution. When will the thrashing happen to occur according to the Working set model? Assume total memory (m) is 13 and Delta (A) is 5.

In the working set model, the idea is to examine the most recent A page references. It is also known as an approximation of the Program's Locality. If the total demand is greater than the total number of available frames (D > m), then it will cause thrashing, because in this case, some processes will not have enough frames. Below you see 3 processes and their expected memory references during their execution. When will the thrashing happen to occur according to the Working set model? Assume total memory (m) is 13 and Delta (A) is 5.

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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correct answer is 13. Can you explain by sperately please?

In the working set model, the idea is to examine the most recent A page references. It is also known as an approximation of the Program's Locality. If the total demand is greater than the total number of available frames (D > m), then it will cause thrashing, because in this case, some processes will not have enough frames. Below you see 3 processes and their expected memory references during their execution. When will the thrashing happen to occur according to the Working set model? Assume total memory (m) is 13 and Delta (A ) is 5. Time: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 P1= 2 6 2 2 6 2 6 2 1 2 4 3 5 4 5 4 6 7 8 6 7 8 6 7 9 4 9 8 7 6 9 9 9 9 P2= 6 2 3 2 6 6 6 6 6 2 1 4 2 2 2 2 2 P3=
Transcribed Image Text:In the working set model, the idea is to examine the most recent A page references. It is also known as an approximation of the Program's Locality. If the total demand is greater than the total number of available frames (D > m), then it will cause thrashing, because in this case, some processes will not have enough frames. Below you see 3 processes and their expected memory references during their execution. When will the thrashing happen to occur according to the Working set model? Assume total memory (m) is 13 and Delta (A ) is 5. Time: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 P1= 2 6 2 2 6 2 6 2 1 2 4 3 5 4 5 4 6 7 8 6 7 8 6 7 9 4 9 8 7 6 9 9 9 9 P2= 6 2 3 2 6 6 6 6 6 2 1 4 2 2 2 2 2 P3=
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