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3 cards from this section. Quick, good the night before a test.
What is a cache hit?
Remember what happens when data is readily available.
Define a cache miss.
Consider the opposite of a cache hit.
What is a cache hit?
Think about the definition of a cache hit.
Is a cache miss beneficial for performance?
Consider how data retrieval works.
In a system with 128-byte cache lines, how would the data retrieval process change if the block size were increased to 128 bytes instead of the original 64? Discuss the implications on cache hits and misses.
Think about how larger blocks affect cache organization.
You have a direct mapped cache with 256 lines and a block size of 32 bytes. If you access addresses 0, 32, 64,..., up to 2552, determine how many cache hits and misses you will encounter.
Use the modulo operation with the cache size to determine line mapping.
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