Question

1. The Average Memory Access Time equation (AMAT) has three components: hit time, miss rate, and miss penalty. For each of the following cache optimizations, indicate which component of the AMAT equation is improved (best answer)

A: using 8-way associative cache

1. Hit time
2. Miss rate
3. Miss penalty

B: using smaller blocks.

4. Hit time
5. Miss rate
6. Miss penalty

C: using second level cache

7. Hit time
8. Miss rate
9. Miss penalty

D: using direct- mapped cache

10. Hit time
11. Miss rate
12. Miss penalty

Answer 1

Solution

Explanation

A: using 8-way associative cache improves

Miss rate

B: using smaller blocks improves

Miss penalty

C: using second level cache improves

Miss rate

D: using direct- mapped cache improves

Hit time
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all the best