非阻塞算法通常叫作乐观算法，因为它们继续操作的假设是不会有干扰。
Nonblocking algorithms are often called optimistic because they proceed with the assumption that there will be no interference.
一组经过变更的SDO还会维护一条其原始值的记录，从而支持某种类型的乐观性锁定算法。
A collection of SDOs that has been altered also maintains a record of its original values, enabling certain sorts of optimistic locking algorithms.
也发现现有完全自适应算法中存在窗口调节反馈滞后和GVT计算开销过大等问题，是其乐观策略优化的方向之一。
Some problems of these strategies are also found, such as late feedback of time window regulation and large GVT computation overhead.
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