[melling]

I would hope that Go is better in all of the above. It has been available for much longer, and it's supported by a great team.

I want to know how the languages compare for writing code. Dos one make it easier to write more succinct and correct code? Swift is missing concurrency support until at least the next version, for example.

[ridiculous_fish]

Go's compiler emits naive code quickly. For example, parameters are always passed on the stack.

Swift is built atop LLVM, and it emits code more slowly, but supports many optimizations like hoisting, vectorization, etc. that Go does not currently perform.

[kazagistar]

I'm not sure, Go code isn't all that fast.