Practice Multi-level Caches - 7.1 | 7. Multi-level Caches | Computer Organisation and Architecture - Vol 3
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7.1 - Multi-level Caches

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the primary function of a cache?

💡 Hint: Think about the role of caches in reducing access times.

Question 2

Easy

What does L1 cache stand for?

💡 Hint: Consider how caches are categorized by their proximity to the CPU.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the purpose of a Level 1 (L1) cache?

  • To store all data
  • To speed up data access for the CPU
  • To replace main memory

💡 Hint: Think about how L1 caches interact with the CPU.

Question 2

True or False: L2 cache is generally smaller and faster than L1 cache.

  • True
  • False

💡 Hint: Review the functions and sizes of different cache levels.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a processor with a clock rate of 4 GHz and an L1 cache miss rate of 2%, calculate the total effective CPI for a workload with 100,000 instructions when invoking an L2 cache that reduces the L1 miss penalty from 400 cycles to 20 cycles.

💡 Hint: Calculate the contributions from L1 misses and compare with the reduced miss penalty from L2.

Question 2

You are designing a new CPU architecture with three levels of cache. Which specific features would you prioritize for each cache level to ensure optimal performance, and how would you justify your design decisions?

💡 Hint: Consider user expectations and scenarios where faster processing is essential.

Challenge and get performance evaluation