What is the performance impact of cache coherence in multi-core systems?
Cache coherence ensures that multiple processors have a consistent view of memory. Its performance impact can vary based on the coherence protocol used.
Can you explain how different cache coherence protocols affect performance?
Sure! Protocols like MESI and MOESI manage cache states differently, affecting latency and bandwidth usage in multi-core systems.
What are the trade-offs between using a strong and weak cache coherence model?
Strong models provide consistency but can introduce latency, while weak models improve performance but may lead to stale data.
How does cache coherence impact parallel programming?
Cache coherence can complicate parallel programming by introducing overhead, but it also helps maintain data integrity across threads.
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