Practice Cache Coherence (8.5.2) - Multicore

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10 questions

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Exercise
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does cache coherence ensure in a multicore system?
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Think about how multiple cores share data.
Question 2.
What are the key states of the MESI protocol?
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There are four states, remember the acronym.
3Question 3.
What does the MESI protocol stand for?
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Remember the four key states.
4Question 4.
True or False: Cache coherence is not important in multicore systems.
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Think of why multiple cores need to share data.
Question 5.
Considering a quad-core processor using the MESI protocol, outline the sequence of states for a cache line when it is modified by one core and accessed by others.
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Map out each core's actions step by step.
Question 6.
Analyze how not maintaining cache coherence would affect a real-time application, such as video streaming, where multiple cores process the same buffer.
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Consider the importance of real-time data accuracy.

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