You have a two-level cache system with the following set up • CPU -- Cache 1 -- Cache 2 -- Memory The system has the following properties Cache1 Access Time Cache1 Hit Rate Cache2 Access Time Cache2 Hit Rate Memory Access Time 52ns 71% 268ns 64% 1,064ns

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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You have a two-level cache system with the following set up
• CPU -- Cache 1 -- Cache 2 -- Memory
The system has the following properties
Cache1 Access Time
Cache1 Hit Rate
Cache2 Access Time
Cache2 Hit Rate
Memory Access Time
What is the average memory access time?
Report your answer to TWO decimal places.
52ns
71%
268ns
64%
1,064ns
Transcribed Image Text:You have a two-level cache system with the following set up • CPU -- Cache 1 -- Cache 2 -- Memory The system has the following properties Cache1 Access Time Cache1 Hit Rate Cache2 Access Time Cache2 Hit Rate Memory Access Time What is the average memory access time? Report your answer to TWO decimal places. 52ns 71% 268ns 64% 1,064ns
You have a six-level cache system with the following set up
• CPU -- Cache 1 -- Cache 2 -- Cache 3 -- Cache 4
The system has the following properties
Cache1 Access Time
Cache1 Hit Rate
Cache2 Access Time
Cache2 Hit Rate
Cache3 Access Time
Cache3 Hit Rate
Cache4 Access Time
Cache4 Hit Rate
Cache5 Access Time
Cache5 Hit Rate
Cache6 Access Time
Cache6 Hit Rate
Memory Access Time
What is the average memory access time?
Report your answer to TWO decimal places.
--
5ns
9%
3ns
3%
7ns
1%
5ns
5%
5ns
3%
4ns
4%
2ns
Cache 5 -- Cache 6 -- Memory
Transcribed Image Text:You have a six-level cache system with the following set up • CPU -- Cache 1 -- Cache 2 -- Cache 3 -- Cache 4 The system has the following properties Cache1 Access Time Cache1 Hit Rate Cache2 Access Time Cache2 Hit Rate Cache3 Access Time Cache3 Hit Rate Cache4 Access Time Cache4 Hit Rate Cache5 Access Time Cache5 Hit Rate Cache6 Access Time Cache6 Hit Rate Memory Access Time What is the average memory access time? Report your answer to TWO decimal places. -- 5ns 9% 3ns 3% 7ns 1% 5ns 5% 5ns 3% 4ns 4% 2ns Cache 5 -- Cache 6 -- Memory
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