go定时器最小四叉树

回答: Go定时器使用的是最小四叉树的数据结构。最小四叉树是一种四叉树，其中父节点的触发时间比子节点的触发时间早，并且兄弟节点之间不要求按触发时间排序。这样设计的目的是为了在调度定时器时减少查询次数。同时，每个桶持有的timer切片也是一个最小堆，按照timer应该触发的时间对它们进行排序。最小堆中最上面的定时器是最近需要唤醒的定时器。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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