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How would you validate a performance improvement? / 如何验证优化有效? ​

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标准回答 ​

I would keep the device, build, and test conditions consistent, repeat the measurement, and compare the distribution rather than a single result. I would also check for functional regressions and whether the improvement shifts the cost to a later interaction.

表达说明 ​

这是验证思路。如果问当时实际怎么测,按真实流程回答。

内容来源 ​

用完整回答理解机制,用真实证据解释项目。