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▲点击上方“ CocoaChina ”关注即可免费学习iOS开发 原文链接：http://www.jianshu.com/p/3263009e9228 最近看到的 Slow App Startup Times 里提到： The dynamic loader finds and reads the dependent dynamic libraries ( dylibs ) used by the App. Each library can itself have dependencies. The loading of Apple system frameworks is highly optimized but loading your embedded frameworks can be expensive. To speed up dylib loading Apple suggests you use fewer dylibs or consider merging them A suggested target is for six extra (non-system) frameworks. 至于什么是static lib什么是dynamic lib这里就不展开提了，大家可以通过在文章底部的相关链接去详细了解。 引用一下官方的解释就是： A better approach is for an app to load code into its address space when it’s actually needed, either at launch time or at runtime. The type
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