Hardware interview practice
Use the Exclusive cache-coherence state
What is the main benefit of the Exclusive state compared with Shared in MESI or MOESI?
Choose one
Answer choices
- A. A sole clean copy can transition to Modified on a local write without first broadcasting an invalidation.
- B. Two caches may modify the same line at the same time.
- C. Exclusive means memory is stale.
- D. Exclusive prevents replacement.