Suppose a byte-addressable computer using set associative cache has 4Mbyes of main memory and a cache of 64 blocks, where each cache block contains 8 bytes.  a) If this cache is 2-way set associative, what is the format of a memory address as seen by the cache, that is, what are the sizes of the tag, set, and offset fields?   b) If this cache is 4-way set associative, what is the format of a memory address as seen by the cache?     Show all work and explain how you got the answers please.

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter11: Operating Systems
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Suppose a byte-addressable computer using set associative cache has 4Mbyes of main memory and a cache of 64 blocks, where each cache block contains 8 bytes. 
a) If this cache is 2-way set associative, what is the format of a memory address as seen by the cache, that is, what are the sizes of the tag, set, and offset fields?  
b) If this cache is 4-way set associative, what is the format of a memory address as seen by the cache?  

 

Show all work and explain how you got the answers please. 

 

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