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如何精确度量 iOS App 的启动时间

 5 years ago
source link: http://www.cocoachina.com/ios/20181031/25336.html
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在 WWDC 2016 和 2017 都有提到启动这块的原理和性能优化思路,可见启动时间,对于开发者和用户们来说是多么的重要,本文就谈谈如何精确的度量 App 的启动时间,启动时间由 main 之前的启动时间和 main 之后的启动时间两部分组成。

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