Question 6 - Virtual memory In virtual memory, each program has a virtual address space. A page table is used to translate from virtual to physical memory address. a) Explain the concept of virtual memory. Do you worry about if you are going to have enough virtual memory addresses (explain your answer)? Do you worry about if you are going to have enough physical addresses, or is there going to be any concern in terms of performance (explain your answer)? b) Assuming a cache miss, a data item is requested with its virtual memory address. Illustrate clearly how the corresponding page is located by using the page table directly. Explain if there are performance issues with the direct use of page table, and how the performance can be improved.
Question 6 - Virtual memory In virtual memory, each program has a virtual address space. A page table is used to translate from virtual to physical memory address. a) Explain the concept of virtual memory. Do you worry about if you are going to have enough virtual memory addresses (explain your answer)? Do you worry about if you are going to have enough physical addresses, or is there going to be any concern in terms of performance (explain your answer)? b) Assuming a cache miss, a data item is requested with its virtual memory address. Illustrate clearly how the corresponding page is located by using the page table directly. Explain if there are performance issues with the direct use of page table, and how the performance can be improved.
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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