Memory Hierarchy Q.54

0. For inclusion to hold between two cache level L1 and L2 in a multilevel cache hierarchy, which of the following are necessary?
1. L1 must be a write-through cache
2. 2 must be a write-through cache
3. The associativity of L2 must be greater that of L1
4. The L2 cahce must be at least as large as the L1 cache

Answer
Comment
Array

Option : A
Explanation : Number of sets in cache = v. So, main memory block j will be mapped to set (j mod v), which will be any one of the cache lines from (j mod v) * k to (j mod v) * k + (k – 1).

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