Practice Multi-level Cache Design Issues (7.1.4) - Multi-level Caches - Computer Organisation and Architecture

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10 questions

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6 sample questions

Question 1.
What is the primary function of the L1 cache?
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Think about how the processor interacts with memory.
Question 2.
What happens when data is not found in a cache?
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What is the consequence of missing data?
3Question 3.
What is the main purpose of multi-level caches?
- To increase cache size
- To reduce access time
- To store all data in CPU
- To replace memory
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Consider the primary benefit of having multiple caches.
4Question 4.
True or False: The L2 cache is faster than the L1 cache.
- True
- False
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Think about the speed and efficiency of each cache.
Question 5.
Calculate the overall effective CPI if the L1 hit rate is 90%, with a miss penalty of 300 cycles and L2 hit rate of 80% with a penalty of 150 cycles.
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Make sure to account for multiple layers of cache hits and misses.
Question 6.
Explain how programming techniques can be optimized to enhance cache performance when dealing with nested looping Constructions.
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Consider how you can manipulate access patterns.

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