Eh, vanilla Java or Go is at least an order of magnitude faster than those other languages without messing with anything. You can mess around with the JVM and i

Eh, vanilla Java or Go is at least an order of magnitude faster than those other languages without messing with anything. You can mess around with the JVM and interfacing to native code but it's rarely needed because it's already within a low multiple of C performance writing things normally. Arguments about what language is better are pretty flamey but it's hard to argue that performance is not an advantage of Go/Java