The various operations in a computer are stored either in the cache or memory. Franko phones, a computer assembly plant in Ghana has come out with a three level cache computer. If their computer has main memory access time 1200ns and the first, second and third caches have 500ns, 400ns and 200ns access times respectively. If h1, h2 and h3 are respectively 0.7, 0.6 and 0.5 a) Generate an equation for computing the average access time of the new computer. Using your equation determine the average access time. Assuming cache 2 goes down, but this does not affect the operation of the computer, refine your equation in “a” above and compute the new average access time. explain how you arrived at your answer.
The various operations in a computer are stored either in the cache or memory. Franko phones, a computer assembly plant in Ghana has come out with a three level cache computer. If their computer has main memory access time 1200ns and the first, second and third caches have 500ns, 400ns and 200ns access times respectively. If h1, h2 and h3 are respectively 0.7, 0.6 and 0.5 a) Generate an equation for computing the average access time of the new computer. Using your equation determine the average access time. Assuming cache 2 goes down, but this does not affect the operation of the computer, refine your equation in “a” above and compute the new average access time. explain how you arrived at your answer.
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
Problem 1PE
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The various operations in a computer are stored either in the cache or memory.
Franko phones, a computer assembly plant in Ghana has come out with a three
level cache computer. If their computer has main memory access time 1200ns
and the first, second and third caches have 500ns, 400ns and 200ns access times
respectively. If h1, h2 and h3 are respectively 0.7, 0.6 and 0.5
a) Generate an equation for computing the average access time of the new
computer.
Using your equation determine the average access time.
Assuming cache 2 goes down, but this does not affect the operation of the
computer, refine your equation in “a” above and compute the new average
access time. explain how you arrived at your answer.
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