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3 cards from this section. Quick, good the night before a test.
What is a cache miss?
Think about what happens when you want to access data that isn't stored.
How is a set associative cache different from a direct mapped cache?
Consider how many places a block can go in each type of cache.
What occurs during a cache miss?
Recall what happens when the cache does not have the data you want.
True or False: In a fully associative cache, any memory block can be placed in any line.
Think about the difference in flexibility between direct-mapped and fully associative caches.
Given a cache with 32 lines that is 4-way set associative, determine how many sets are present and explain the significance of this structure for reducing cache misses.
Think about how flexibility in placing blocks can minimize misses.
Describe a scenario where a direct-mapped cache might lead to a higher miss rate compared to a 4-way set associative cache.
Consider how the mapping process could result in lost data in one structure but not in another.
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