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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary purpose of an L1 cache?
💡 Hint: Recall the structure of the cache hierarchy.
Question 2
Easy
Define cache miss.
💡 Hint: Think about the situations when we need to access main memory.
Practice 3 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 a cache miss?
- Data not found in cache
- Data found in cache
- Data being loaded
💡 Hint: Think about the conditions that lead to accessing main memory.
Question 2
True or False: Increasing the L2 cache size always reduces the miss rate.
- True
- False
💡 Hint: Consider the trade-offs involved in caching.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a CPU architecture with a base CPI of 2, a miss rate of 1.5% for L1 cache with a miss penalty of 300 cycles, calculate the new effective CPI after adding L2 cache with a reduced miss rate of 0.5% with a 50 cycle penalty.
💡 Hint: Apply the effective CPI calculation for both levels with penalties.
Question 2
Discuss the implications of a very high miss rate on CPU performance and how cache design might be adjusted to mitigate this issue in a multi-level cache architecture.
💡 Hint: Refer to trade-offs discussed in cache design.
Challenge and get performance evaluation