What are the disadvantages of the MESI protocol?
The MESI protocol, while efficient, has several disadvantages including increased complexity and potential for cache coherence issues.
Can you explain the complexity issue in more detail?
Sure! The MESI protocol requires additional hardware and logic to manage the states of cache lines, which can complicate design.
What about performance impacts? Are there any?
Yes, performance can be impacted due to the overhead of maintaining coherence, especially in systems with many processors.
Are there alternatives to MESI that avoid these disadvantages?
Yes, alternatives like MOESI or MSI protocols can be considered, each with their own trade-offs.
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