英文: Storage of String Literals in memory c++ 问题 我读到字符串文字总是存储在只读内存中，这是有道理的。 然而，如果我使用字符串文字初始化字符数组，它仍然会...
72评论arrays
c++
使用`std::forward_as_tuple`进行优化为什么会产生运行时错误？
英文: Why does optimizing with std::forward_as_tuple produce runtime errors? 问题 Let's consider the fol...
68评论c++
compiler-optimization
编译器是否可以删除具有相同定义的重复 Lambda 表达式？
在C语言中，计算速度更快的是 (x==0)。
Why does C++ rounding behavior (for compile-time constants) change if math is moved to an inline function?
英文: Why does C++ rounding behavior (for compile-time constants) change if math is moved to an inline...
82评论c++
floating-point
编译器在哪些情况下会在C#中生成额外的代码？
英文: In which cases compiler generates additional code in C#? 问题 I've translated the non-code portion...
64评论c#
compiler-optimization
What's costing Go a factor of 4 in performance in this array access microbenchmark (relative to GCC)?
Multiplying a struct (storing a float) by a float is coming out to be faster than simply multiplying a float by a float?
分支预测是纯粹由CPU执行的行为，还是编译器会提供一些提示？
英文: Is branch prediction purely cpu behavior, or will the compiler give some hints? 问题 在Go标准包src/syn...
73评论compiler-optimization
go
为什么 math.Pow 的性能比位移操作差？
英文: Why is math.Pow performance worse than bitshifting? 问题 在解决Exercism网站上的这个练习时，我使用了标准的math.Pow包函数来获...
74评论compiler-optimization
go
3