How do I calculate tag, index, and offset of a 4 way set associative? To summarize, essentially I have a project where we are simulating a write back cache and we receive a file as an input which provides the amount of sets, the set size and line size. The input file also provides read and write addresses. Here is a picture of the expected output:   Can anyone explain this simply or provide the formulas needed to tag

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Author:James Kurose, Keith Ross
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How do I calculate tag, index, and offset of a 4 way set associative?
To summarize, essentially I have a project where we are simulating a write back cache and we receive a file as an input which provides the amount of sets, the set size and line size. The input file also provides read and write addresses. Here is a picture of the expected output:

 

Can anyone explain this simply or provide the formulas needed to tag, index, and offset? Thank you!

sets: 256
Cache Configuration
256 4-way set associative entries
of line size 4 bytes
Access Address
Tag
Index Offset Status Memrefs
read
4096
16
37
2
miss
write
160
88
miss
1
read
15
5
1
miss
1
read
430
1
12
miss
1
write
430
1
12
hit
Transcribed Image Text:sets: 256 Cache Configuration 256 4-way set associative entries of line size 4 bytes Access Address Tag Index Offset Status Memrefs read 4096 16 37 2 miss write 160 88 miss 1 read 15 5 1 miss 1 read 430 1 12 miss 1 write 430 1 12 hit
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