What are constexpr performance metrics in C++?
An example of an AI chatbot conversation about constexpr performance metrics in C++.
What are constexpr performance metrics in C++?
Constexpr performance metrics in C++ refer to the evaluation of compile-time expressions to optimize performance.
How do constexpr functions improve performance?
Constexpr functions allow computations to be performed at compile time, reducing runtime overhead and improving efficiency.
Can you give an example of a constexpr function?
Sure! Here's a simple example: constexpr int square(int x) { return x * x; } This computes the square of a number at compile time.
What are the limitations of using constexpr?
Limitations include restrictions on the types of expressions and operations that can be used, as well as the need for the function to be evaluable at compile time.
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