For the next three problems, we will consider the addition of an L2 cache to P2
ID: 3765300 • Letter: F
Question
For the next three problems, we will consider the addition of an L2 cache to P2. The L2 miss rate indicated is its local miss rate.
L2 Size
L2 Miss Rate
L2 Hit Time
1 MB
50%
5.62 ns
d. What is the AMAT for P2 with the addition of an L2 cache? Is the AMAT better or worse with the L2 cache?
e. Assuming a base CPI of 1.0 without any memory stalls, what is the total CPI for P2 with the addition of an L2 cache?
f. Which processor is more faster among P1 with only L1 cache and P2 with both L1, L2 cache?
L2 Size
L2 Miss Rate
L2 Hit Time
1 MB
50%
5.62 ns
Explanation / Answer
For the next three problems, we will consider the addition of an L2 cache to P2