I will just give the analogy with which I understand memory consistency models (or memory models, for short). It is inspired by Leslie Lamport's seminal paper "Time, Clocks, and the Ordering of Events in a Distributed System". The analogy is apt
JMM 相关文档: Java Language Specification Chapter 17 The JSR-133 Cookbook for Compiler Writers - Doug Lea's Using JDK 9 Memory Order Modes - Doug Lea's 内存屏障,CPU 与内存模型相关: Weak vs. Strong Memory Models Memory Barriers: a Hardware View for Software Hackers