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variance方差百度百科：https://baike.baidu.com/item/%E6%96%B9%E5%B7%AE%E8%AE%A1%E7%AE%97%E5%85%AC%E5%BC%8F/5318566?fr=aladdin知乎：https://zhuanlan.zhihu.com/p/392044311

https://zhuanlan.zhihu.com/p/146106416

Benchmark一、Benchmark简介Benchmark是一个评价方式，在整个计算机领域有着长期的应用。正如维基百科上的解释“As computer architecture advanced, it became more difficult to compare the performance of various computer systems simply by looking at their specifications.Therefore, tests were developed