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关于垃圾回收中的写屏障的概念 #94

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questocat opened this issue Apr 3, 2023 · 0 comments
Open

关于垃圾回收中的写屏障的概念 #94

questocat opened this issue Apr 3, 2023 · 0 comments

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@questocat
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关于垃圾回收中的写屏障的概念

垃圾回收中的写屏障与内存屏障两者应该是无关的。

屏障技术在本书指内存屏障（Memory Barrier）。 它保障了代码描述中对内存的操作顺序 既不会在编译期被编译器进行调整，也不会在运行时被 CPU 的乱序执行所打乱， 是一种语言与语言用户间的契约。
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@questocat