Practice Raw (read After Write) Hazard - True Dependency (8.1.1.2.1) - Introduction to Parallel Processing
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RAW (Read After Write) Hazard - True Dependency

Practice - RAW (Read After Write) Hazard - True Dependency

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the acronym RAW stand for in the context of hazards?

💡 Hint: Think about the order of reading and writing instructions.

Question 2 Easy

What is a simple example of a RAW hazard in assembly code?

💡 Hint: Recall instruction sequences where one instruction relies on the result of another.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a RAW hazard?

An error caused by writing before reading.
A dependency issue where one instruction reads before another writes.
A method of reducing delays in pipelining.

💡 Hint: Focus on the order of instructions in pipelining.

Question 2

True or False: Forwarding can fix any RAW hazard.

True
False

💡 Hint: Consider scenarios when forwarding might not be sufficient.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design and explain a sequence of five assembly instructions that demonstrate at least two distinct RAW hazards. Discuss potential solutions.

💡 Hint: Build the relationships between your instructions carefully for optimal understanding.

Challenge 2 Hard

Evaluate how stalling impacts overall pipeline efficiency in a processor system with heavy RAW hazards. Provide a calculation for speedup loss.

💡 Hint: Remember the relationship between stalls, cycle count, and speedup calculations.

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