Why is cache coherence important in multi-core processors?
Cache coherence is crucial in multi-core processors to ensure that all cores have a consistent view of memory, preventing data inconsistency.
What happens if cache coherence is not maintained?
If cache coherence is not maintained, it can lead to stale data being read by different cores, causing errors and unpredictable behavior in applications.
Can you explain some common cache coherence protocols?
Sure! Common cache coherence protocols include MESI, MOESI, and MSI, which manage how caches communicate and maintain consistency.
How does cache coherence affect performance?
Cache coherence can impact performance by introducing overhead due to the need for communication between caches, but it also prevents costly errors.
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