This small trick can save a lot of memory thrashing and garbage collection over the lifetime of a program.

这个小技巧可以在程序生存期减少很多的内存抖动(memory thrashing)和垃圾收集。

youdao

In the 18 months or so since I released the first early versions of Saxon, performance has improved by a factor of 20 (or more, in the case of runs that were thrashing for lack of memory).

在我发布了Saxon最早版本后的大约18个月中，性能已经提高了20个百分点(或者更多，如果是在缺少内存的情况下运行)。

youdao

It also helps detect thrashing, which can occur when memory is extremely low and pages are constantly being paged in and out to support processing.

它还可以帮助检测系统颠簸，当可用内存量很低并且不断地调入和调出页面以支持任务的处理时，可能会出现系统颠簸。

youdao