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GPU621/Group 1

3 bytes added, 15:01, 5 March 2023
The MESI protocol
'''Modified''' - The only cached duplicate is the modified, distinct from main memory cache line.
 
'''Exclusive''' - The modified, separate from main memory cache line is the only cached copy.
 
'''Shared''' - identical to main memory, but there might be duplicates in other caches.
 
'''Invalid''' - Line data is not valid.

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