4.4.2 - Pipeline Flush
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Practice Questions
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What happens during a pipeline flush?
💡 Hint: Think about what occurs after a branch misprediction.
Define branch misprediction.
💡 Hint: Consider the impact on instruction flow.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a pipeline flush?
💡 Hint: Think about how CPUS manage incorrect branch predictions.
True or False: A pipeline flush can be a necessary step in recovering from branch mispredictions.
💡 Hint: Consider the implications of incorrect instruction fetching.
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Challenge Problems
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Evaluate the effect of multiple branch instructions on a CPU with a 10-stage pipeline, particularly in the context of execution speed and overall efficiency.
💡 Hint: Think about how each stage can be affected when dealing with multiple branches.
Discuss how advancements in CPU architecture could reduce the penalties incurred from pipeline flushes in future designs.
💡 Hint: Consider the role of technology in predicting and responding to branching logic.
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