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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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a) What is the difference between a true LRU
cache line replacement algorithm and a pseudo-
LRU cache line replacement algorithm for a set
associative cache?
b) What is the minimum number of bits
required to implement a true-LRU cache line
replacement algorithm for a 4-way set
associative cache? Explain how the bits are used?
c) What is the minimum total number of bits
required for the entire cache to identify the most
recently used cache line within a fully associative
cache that contains 1048576 bytes of data and
uses 256-byte cache lines.
per
set
Transcribed Image Text:a) What is the difference between a true LRU cache line replacement algorithm and a pseudo- LRU cache line replacement algorithm for a set associative cache? b) What is the minimum number of bits required to implement a true-LRU cache line replacement algorithm for a 4-way set associative cache? Explain how the bits are used? c) What is the minimum total number of bits required for the entire cache to identify the most recently used cache line within a fully associative cache that contains 1048576 bytes of data and uses 256-byte cache lines. per set
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