Game Engine Architecture 5

【Game Engine Architecture 5】

1、Memory Ordering Semantics

　　These mysterious and vexing problems can only occur on a multicore machine with a multilevel cache.

　　　　

　　A cache coherency protocol is a communication mechanism that permits cores to share data between their local L1 caches in this way. Most CPUs use either the MESI or MOESI protocol.

2、The MESI Protocol

　　

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