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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does register allocation refer to?
💡 Hint: Think about how compilers optimize performance.
Question 2
Easy
Define a live variable.
💡 Hint: Consider its usefulness in the code.
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 'First Use Allocation'?
- Allocating based on frequency
- Allocating upon first use
- Never allocating
💡 Hint: Think about when you would want to assign a variable.
Question 2
True or False: A variable must be 'live' to remain in a register.
- True
- False
💡 Hint: Consider the importance of future use.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a stream of TAC that includes variables t1, t2, and t3 with their usage patterns, map out the register allocation while applying the LRU Spill Policy.
💡 Hint: Track usage carefully and note when variables are no longer needed.
Question 2
Critique the trade-offs between keeping variables in registers during computation versus spilling them to memory. When would spilling be more beneficial?
💡 Hint: Consider the number of variables in use and memory access times.
Challenge and get performance evaluation