Can you explain the differences between MESI and MOESI cache coherence protocols?
Sure! MESI stands for Modified, Exclusive, Shared, and Invalid, while MOESI adds an Owned state to the MESI protocol.
What does the Owned state in MOESI do?
The Owned state allows a cache line to be shared among multiple caches while still being modified, reducing memory access.
Are there performance benefits to using MOESI over MESI?
Yes, MOESI can improve performance in multi-core systems by reducing the number of memory accesses and allowing more efficient data sharing.
In what scenarios would you prefer one over the other?
MOESI is preferred in systems with high data sharing and frequent updates, while MESI might be simpler for less complex systems.
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