Chapter 22. Advanced Threading -> Exclusive Locking -> When to Lock （908页）
这句话：A memory barrier is a "fence" around which the effects **or **reordering and caching cannot cross.
or应该是of？否则看不懂，什么效果？
C# 6.0 In A NutShell，书里这句话看不懂，是笔误？
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JimCell 2016-04-20 06:00关注内存屏障是一种影响（应该是指程序执行的影响吧）、重命令和高速内存都没法越过的“篱笆”。
其实内存屏障就是现代计算机为提高性能而采取的工具，因为现在很多计算机都是乱序执行的。
关于乱序执行楼主看这儿：http://baike.baidu.com/view/272966.htm解决 无用评论 打赏举报 分享
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