...esses）– 满足系统的特定要求，如：• 吞吐量(throughput)• 响应时间(response time)• 处理器运行效率(processor efficiency) 2.2 调度策略与算法• 在大多数系统中，这种调度策略被分成三个层次（不同的发生频率）：– 长期调度（Lon-term Scheduling ）g...
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当应用程序的线程比可用处理器多时，运行它们的效率会很低，并且会造成性能较差且内存使用增加。
Running an application with many more threads than available processors to run them is usually inefficient and can result in poor performance as well as increased memory usage.
结果是空闲处理器只能等待这个处理器释放出运行队列锁，这样会造成效率的降低。
The result was idle processors awaiting release of the runqueue lock and decreased efficiency.
让软件可以在多处理器环境流畅运行并且让程序的运行效率如同增加马力一样呈现规范性的性能提升。
Making software run well on many processors and making them scale linearly when adding horsepower.
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