Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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answer the following question:

c) Given a system with a 1 GHz clock (1nsec) and two levels of cache, what is the average
access time of memory for a single byte? Show your work.
It takes 4 clocks to access L1 Cache, 10 clocks to access L2 Cache, and 150 clocks to
access memory. The CHR for L1 Cache is 98%, L2 Cache is 99%, and MHR is 95%.
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Transcribed Image Text:c) Given a system with a 1 GHz clock (1nsec) and two levels of cache, what is the average access time of memory for a single byte? Show your work. It takes 4 clocks to access L1 Cache, 10 clocks to access L2 Cache, and 150 clocks to access memory. The CHR for L1 Cache is 98%, L2 Cache is 99%, and MHR is 95%.
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