Determine the access efficiency

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Reference no: EM131474657

Question: In Problems II, if the cache access time is 100 ns, what hit ratio would be required to achieve an average access time of 500 ns?

Problem II: In Problem I, assume that the access time of the main memory is 10 times that of the cache, and the cache hit ratio is 0.85. If the across efficiency is defined as the ratio of the average access time with a cache to that without a cache, determine the access efficiency.

Problem I: A computer system has a 64 KB main memory and a 4 KB (data area only) cache. There are 8 bytes/cache line. Determine

(1) the number of comparators needed and

(2) the size of the tag field, for each of the following mapping schemes:

a. Fully associative

b. Direct

c. Four-way set-associative.

Reference no: EM131474657

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