C++C++20’s [[likely]] Attribute - Optimizations, Pessimizations, and [[unlikely]]... - 知识点目录
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C++20’s [[likely]] Attribute - Optimizations, Pessimizations, and [[unlikely]] Consequences - CppCon
1. 使用[likely]&[unlikely]优化switch语句 - [10:22]
2. A branch misprediction is costly
这里有一个比较奇特的现象：就是对排序后的数组进行遍历会比遍历一般数组快很多，即使是，【sort（先排序数组）+遍历】也会比【直接遍历数组】要快，
[subtitle]:
one of the most known questions in Stack Overflow discusses that the while is more efficient to go over a sorted container even if you add this sorting into the Benchmark and the reason is Branch Prediction…
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