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Q2: Assume the access time of a cache memory is one tenth of the main memory access time. The computer system performs memory access requests in which 75% of these requests were for read operations and the rest 25% were for

Q2: Assume the access time of a cache memory is one tenth of the main memory access time. The computer system performs memory access requests in which 75% of these requests were for read operations and the rest 25% were for

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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Q2: Assume the access time of a cache memory is one tenth of the main memory access time. The computer system performs memory access requests in which 75% of these requests were for read operations and the rest 25% were for write operations. The aforementioned system employed a write-through procedure with 0.9 hit ratio for read accesses only. The memory access time was measured in ns. Now answer the following questions: A. Consider only memory read cycles when calculating the average access time of the above system? B. Consider both memory read and memory write cycles when calculating the average access time of the above system?
Transcribed Image Text:Q2: Assume the access time of a cache memory is one tenth of the main memory access time. The computer system performs memory access requests in which 75% of these requests were for read operations and the rest 25% were for write operations. The aforementioned system employed a write-through procedure with 0.9 hit ratio for read accesses only. The memory access time was measured in ns. Now answer the following questions: A. Consider only memory read cycles when calculating the average access time of the above system? B. Consider both memory read and memory write cycles when calculating the average access time of the above system?
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