If you're looking for the absolute top speed, it's not as fast as C++ or rust. Assembly functions can't be inlined, for example. But go allows you to control

If you're looking for the absolute top speed, it's not as fast as C++ or rust. Assembly functions can't be inlined, for example. But go allows you to control your memory structures and that gets you good cache utilisation, compared to, say java. Go is plenty fast enough for most applications.