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深入理解volatile关键字-奔跑的河马

 4 years ago
source link: https://blog.51cto.com/13733462/2488555
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关于volatile关键字的话，工作中没有遇到使用场景，大部分是面试的时候必问的一个题目；本文主要内容摘自《JAVA高并发编程详解》1.CPUCache模型CPUCache主要是为了解决CPU与内存之间访问速度的差异问题，Cache则是在程序运行的过程中会将运算的所需数据从主内存复制一份到CPUCache中，这样CPU在计算的过程中，可以直接从CPUCache中读取或写入，当运算结束之后，CPUC

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