Practice The Challenge of Control Flow - 4.1.3 | 4. Branches and Limits to Pipelining | Computer Architecture
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a branch instruction?

💡 Hint: Think of examples like if statements or loops.

Question 2

Easy

What happens during a control hazard?

💡 Hint: How does this affect processing efficiency?

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 main problem caused by branch instructions in pipelined architectures?

  • Increased memory usage
  • Control hazards
  • Higher clock speed

💡 Hint: Think about how the next instruction depends on the branch.

Question 2

True or False: Control hazards can lead to pipeline stalls.

  • True
  • False

💡 Hint: What happens when the outcome of a branch is not immediately available?

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Describe how multiple branches can compound control hazards in a complex instruction sequence. What could be a potential architectural improvement to mitigate this?

💡 Hint: Think about how processors learn from past decisions to handle future predictions.

Question 2

Consider a deep pipeline with many stages. How would you analyze the performance impact of a 10-cycle delay due to a control hazard? What solutions would you propose?

💡 Hint: Consider techniques that allow predictive fetching to reduce idle time in the pipeline.

Challenge and get performance evaluation