What are the performance benchmarks for C++17?

What are the performance benchmarks for C++17?

C++17 introduced several features that can impact performance. Are you interested in specific benchmarks for certain features?

Yes, I'm particularly interested in the performance of std::optional and std::variant.

Benchmarks show that std::optional can be more efficient than using pointers, while std::variant can be faster than using polymorphism in certain scenarios.

Can you provide some specific numbers or comparisons?

Sure! For example, std::optional can reduce memory overhead by about 20% compared to raw pointers in some cases. Would you like to see more detailed comparisons?

Yes, please share more details on std::variant.

std::variant can outperform traditional inheritance-based polymorphism by up to 30% in certain use cases, especially in tight loops.