[barsonme]

> IMO it is a questionable decision to spend CPU resources on randomization …

It takes about 3 ns to choose a random starting bucket, which is basically free relative to the iteration itself.

[tgv]

Isn't the trick that the runtime picks another hash-constant every time?

[masklinn]

Aside from keying the hash function, Go specifically randomises the start offset of each map iteration.