Practice - Locality of Reference
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Practice Questions
Test your understanding with targeted questions
What is a cache hit?
💡 Hint: Think of the cache as a quick-access store for frequently used items.
Define a cache miss.
💡 Hint: Consider what happens when you search for something that's not in a cupboard but in a larger storage area.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens during a cache hit?
💡 Hint: Think of a cache hit as finding your book on the desk instead of having to look for it in the library.
Is it true that a cache miss indicates that data is absent from the cache?
💡 Hint: If you can't find something where you expect it, it's likely misplaced or absent.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a direct mapped cache with a capacity of 32 KB, where each block consists of 8 bytes. Determine the total number of cache lines and tag bits required.
💡 Hint: Start by calculating the number of lines and then factor in the remaining bits for the tag.
If a sequence of addresses is accessed in a direct mapped cache and the access pattern leads to continual misses despite having data in previous blocks, analyze why this occurs and suggest an improvement.
💡 Hint: Consider how reorganizing access patterns can lead to better cache utilization.
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Reference links
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