Practice WAW (Write After Write) Hazard - Output Dependency - 8.1.1.2.3 | Module 8: Introduction to Parallel Processing | Computer Architecture
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8.1.1.2.3 - WAW (Write After Write) Hazard - Output Dependency

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does WAW stand for in computer architecture?

💡 Hint: Think about what happens when two instructions write to the same register.

Question 2

Easy

True or False: WAW hazards only occur when two READ operations happen on the same register.

💡 Hint: Consider the nature of WAW hazards.

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 does WAW stand for?

  • Write After Write
  • Write Aware Write
  • Wave After Wave

💡 Hint: Think about what happens when multiple writes occur.

Question 2

True or False: A WAW hazard guarantees incorrect output in all situations.

  • True
  • False

💡 Hint: Consider that not all situations may cause a problem.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a simple instruction sequence with two potential WAW hazards and illustrate how register renaming resolves them.

💡 Hint: Focus on how to differentiate the end writing registers.

Question 2

Discuss the trade-offs between using in-order execution and register renaming in a high-performance pipelined processor.

💡 Hint: Consider efficiency vs. simplicity in your answer.

Challenge and get performance evaluation