Question: How would adding an L 3 cache with an access time of 1 5 0 ns and a hit rate of 7 0 % affect

How would adding an L3 cache with an access time of 150ns and a hit rate of 70%
affect the average access time if the L1 and L2 caches have hit rates of 90% and 80%, respectively?
Hint: Calculate the average access time for each level and consider the cumulative effect of misses at
each level.

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