Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 08 Jan 2018 My Price 7.00

main memory traffic

Consider a cache with a line size of 64 bytes. Assume that on average 30% of the lines in the cache are dirty. A word consists of 8 bytes.

a. Assume there is a 3% miss rate (0.97 hit ratio). Compute the amount of main memory traffic, in terms of bytes per instruction for both write-through and write back policies. Memory is read into cache one line at a time. However, for write back, a single word can be written from cache to main memory.

b. Repeat part a for a 5% rate.

c. Repeat part a for a 7% rate.

d. What conclusion can you draw from these results?

 

Answers

Maurice Tutor
(5)
Status NEW Posted 08 Jan 2018 07:01 PM My Price 7.00

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