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A CPU is equipped with a cache. Accessing a word takes 35 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache. What should be the hit ratio if the effective memory access time is 8 clock cycles? Answer= _%

A CPU is equipped with a cache. Accessing a word takes 35 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache. What should be the hit ratio if the effective memory access time is 8 clock cycles? Answer= _%

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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**CPU Cache Access Problem** A CPU is equipped with a cache. Accessing a word takes 35 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache. What should be the hit ratio if the effective memory access time is 8 clock cycles? **Answer = _______________________%** [Text Box for Answer]
Transcribed Image Text:**CPU Cache Access Problem** A CPU is equipped with a cache. Accessing a word takes 35 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache. What should be the hit ratio if the effective memory access time is 8 clock cycles? **Answer = _______________________%** [Text Box for Answer]
**Question:** A CPU is equipped with a cache. Accessing a word takes 25 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache. What is the effective memory access time in clock cycles if the hit ratio is 95%? **Answer Box:** [Input field for numerical response]
Transcribed Image Text:**Question:** A CPU is equipped with a cache. Accessing a word takes 25 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache. What is the effective memory access time in clock cycles if the hit ratio is 95%? **Answer Box:** [Input field for numerical response]
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