What are cache coherency protocols?
Cache coherency protocols are mechanisms that ensure consistency of data stored in local caches of a shared resource.
Why are they important in multi-core processors?
They are crucial because they prevent data inconsistency and ensure that all cores have the most recent data.
Can you give me examples of these protocols?
Sure! Common examples include MESI, MOESI, and MSI protocols.
How do these protocols work in practice?
They work by using states to track the status of cache lines and by sending messages between caches to maintain coherence.
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