Practice Multi-level Caches (8.1.9) - Lecture – 28 - Computer Organisation and Architecture - Vol 3

Practice: Multi-Level Caches

Lesson 8.1.9Lecture – 28

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8 questions

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6 sample questions

Question 1.
What is the primary function of a cache?
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Consider what is accessed frequently during program execution.
Question 2.
Explain temporal locality.
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Think about the last few items you accessed in memory.
3Question 3.
What is the principle of spatial locality?
- Data that is recently accessed will not be used again.
- Data nearby to the accessed data is likely to be accessed soon.
- Data is randomly accessed every time.
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Think about how related data items are often accessed together.
4Question 4.
True or False? A write-back cache immediately writes data to memory upon a write operation.
- True
- False
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Consider how updates are managed in cache systems.
Question 5.
Design a multi-level cache system for a given processor architecture, describing the sizes and types of caches to use.
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Consider the speed requirements and typical data access patterns.
Question 6.
Analyze a case where increasing the cache line size negatively impacts the cache's performance.
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Think about how many items can be retained and accessible within the cache.

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