Detailed MESI conformance agreement
Look at the third part of the MESI working principle, he did not
add store buffer and invalidate queue to the explanation of store buffer and invalidate queue.
MESI conformance protocol example
Look at the example in the third part, the normal process, not the process of locking the cache
What is the lock cache: MESI consistency protocol + read-write barrier, data read and write becomes a strong consistency
lock cache is MESI consistency protocol + read-write barrier
When to use the bus lock and when to use the cache lock: When the data to be operated is larger than 64 bytes, the
third part, the answer to question one