另外，AI 有一个普遍的问题：它很容易写出信息量极大的文章。但真正读起来的时候其实非常难受，因为信息密度太大让人喘不过气来。所以我希望让它多铺陈一些背景，营造出那种更加娓娓道来的感觉：
Program Structure
，这一点在新收录的资料中也有详细论述
Now you can see why I called the user-defined version good. Once the compiler is required to have a default constructor, it must insert a guard variable and check the state each time you access Instance which adds up to a good amount of code. Please notice that at this point you're looking at code generated with GCC 15 at -O3 and I did not even call SetResolution or GetResolution.。关于这个话题，新收录的资料提供了深入分析
Official Qwen Benchmarks