Practice Pipeline Stalls and Forwarding - 3.6 | 3. Pipelining | Computer Architecture
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Knowledge

3.6 - Pipeline Stalls and Forwarding

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a pipeline stall?

💡 Hint: Think about what happens when data is not ready for processing.

Question 2

Easy

What does forwarding achieve in a pipeline?

💡 Hint: Consider how data might flow in a pipeline.

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 a pipeline stall?

  • A delay due to a hardware failure
  • A delay due to data dependency
  • A delay due to an unknown error

💡 Hint: Consider situations where one instruction depends on the result of another.

Question 2

True or False: Forwarding allows data to be passed directly between pipeline stages without going through registers.

  • True
  • False

💡 Hint: Think about how data flows in a pipeline.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a simplified pipeline with four stages and illustrate how stalls could occur when executing the sequence of instructions, including at least one instance of forwarding.

💡 Hint: Think about the order in which instructions depend on one another and how forwarding can create an efficient flow.

Question 2

Evaluate the impact on performance when implementing forwarding in a pipeline. Discuss the potential drawbacks of complexity on design considerations.

💡 Hint: Consider both the speed of execution and the resources needed to implement these techniques.

Challenge and get performance evaluation