Practice Branch Decision Delay - 4.2.2 | 4. Branches and Limits to Pipelining | Computer Architecture
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4.2.2 - Branch Decision Delay

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is branch decision delay?

💡 Hint: Think about what happens after a branch instruction.

Question 2

Easy

Name a type of hazard caused by branch instructions.

💡 Hint: This hazard is about waiting for the outcome of a decision.

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 primary cause of branch decision delay?

  • Incorrect pipeline design
  • Waiting for the branch outcome
  • Extended clock cycles

💡 Hint: Consider what happens when a branch instruction is hit.

Question 2

True or False: Control hazards occur only in deeply pipelined processors.

  • True
  • False

💡 Hint: Think about the definition of control hazards.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Analyze a pipeline that executes an architecture with 5 stages, encountering a branch every third instruction. If the branch takes 4 cycles to resolve, how does this affect the overall rate of instruction completion?

💡 Hint: Calculate how many instructions effectively get processed in relation to branches.

Question 2

Create a scenario in which branch decision delays have a minimal impact. What strategy could you implement in a superficial pipeline to achieve minimal delays?

💡 Hint: Consider how guessing the outcome might help.

Challenge and get performance evaluation