Question

Consider a 4-way set associative cache consisting of 128 lines with a line size of 64 words. The CPU generates a 20-bit address of a word in main memory. The number of bits in the TAG, LINE and WORD fields are respectively:

Q: Answer-Consider a 4-way set associative cache consisting of 128 lines with a line size of 64 words. The CPU...

The number of sets 1284 32 as it is 4 way set associative We have total 64 words then we need 6 bits to identify the word So the line offset is 5 bits and the word offset is 6 bits and the TAG 20-56 9 bits so it should be 9,5,6

A 9,6,5

B 9,5,6

C 5,9,6

D None of these

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Consider a 4-way set associative cache consisting of 128 lines with a line size of 64 words. The CPU generates a 20-bit address of a word in main memory. The number of bits in the TAG, LINE and WORD fields are respectively:

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