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Consider a processor running a program. 30% of the instructions of which require a memory read or write operation if the cache bit ratio is 0.95 for instructions and 0.9 for data. When a cache bit occurs for instruction or for data, only one clock is needed while the cache miss penalty is 17 clocks to read/write on the main memory. Work out the time saved by using the cache, given the total number of instructions executed is 1 million.

Consider a processor running a program. 30% of the instructions of which require a memory read or write operation if the cache bit ratio is 0.95 for instructions and 0.9 for data. When a cache bit occurs for instruction or for data, only one clock is needed while the cache miss penalty is 17 clocks to read/write on the main memory. Work out the time saved by using the cache, given the total number of instructions executed is 1 million.

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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Consider a processor running a program. 30% of the instructions of which require a memory read or write operation if the cache bit ratio is 0.95 for instructions and 0.9 for data. When a cache bit occurs for instruction or for data, only one clock is needed while the cache miss penalty is 17 clocks to read/write on the main memory. Work out the time saved by using the cache, given the total number of instructions executed is 1 million.
Transcribed Image Text:Consider a processor running a program. 30% of the instructions of which require a memory read or write operation if the cache bit ratio is 0.95 for instructions and 0.9 for data. When a cache bit occurs for instruction or for data, only one clock is needed while the cache miss penalty is 17 clocks to read/write on the main memory. Work out the time saved by using the cache, given the total number of instructions executed is 1 million.
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