Fairness is a key optimization problem. If the system is unfair,there are some problems,such as thread starvation,priority inversion,and so on.
公平性是一个关键的优化问题,当系统缺乏公平时,会出现线程饿死和优先级反转等问题。
参考来源 - 片上多核处理器共享Cache划分的公平性研究Nowadays locks are used to keep parallel threads synchronized, but may lead to deadlock, priority inversion and other mistakes, and also make the performance hard to optimize.
目前并行线程使用锁来保证并行线程间的同步,但锁会导致死锁,优先级倒置等错误,并且使得性能很难优化。
参考来源 - 多核处理器的事务存储模型的模拟和编译实现·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
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