C++11 Threading vs Async: What's the Difference?

What are the main differences between threading and async in C++11?

In C++11, threading allows you to run multiple threads concurrently, while async provides a way to run tasks asynchronously without managing threads directly.

Can you give me an example of using async in C++11?

Sure! You can use std::async to run a function asynchronously. For example: std::async(std::launch::async, myFunction);.

When should I use threading instead of async?

Use threading when you need fine control over thread management or when tasks are CPU-bound. Async is better for I/O-bound tasks.

Are there any performance implications between the two?

Yes, threading can have overhead due to context switching, while async can be more efficient for I/O operations since it doesn't require managing threads directly.