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2 cards from this section. Quick, good the night before a test.
What occurs during a cache hit?
Remember the definition of a hit in relation to data retrieval.
Explain what a cache miss is.
Think about what happens when data is not present in memory.
What is a cache hit?
Think about where the data comes from.
Which of the following describes a cache miss?
Consider whether the data is available in cache memory.
Given a scenario where a cache has 16 lines, with 4-byte blocks and a total size of 64 bytes, calculate how many bits will be needed for the tag, index, and offset.
Use the address structure to determine the number of bits for tag, index, and offset.
In a practical scenario where you are developing a system with a direct mapped cache, how would you optimize for misses when you expect certain patterns of data access?
Consider how you can leverage locality of reference.
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