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Garbage collector and circular reference
如果物体有循环参考,但在其他方面与任何根部脱钩,因而对GC来说时机已经成熟,那么对GC的绩效是否有任何影响?
在一个方向上出现一个薄弱的裁判员会有什么好处吗?
如果天体无法从根部到达, 它们将不会被穿行, 因此循环引用不会成为一个问题 。
如果物体有通知参引,对GC性能是否有任何影响?
否。 扫描过程在遇到已经访问过的事件时停止。 与非循环结构没有任何区别。
但却无任何根基,因而对GC来说已经成熟吗?
在这种情况下,他们根本不会被访问,因此与有多少交叉联系毫不相干。
如果物体有循环参考,但在其他方面与任何根部脱钩,因而对GC来说时机已经成熟,那么对GC的绩效是否有任何影响?
否。 基本上, 当没有强烈的引用时, 两个对象都有资格被垃圾收集... 您不需要担心它 。
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