> smhasher implements both

Ah, I'm based on aappleby/smasher, which is what the original location (http://code.google.com/p/smhasher) redirects to. I didn't realize that you have a more active fork.

> not just 47x faster, but 5000x faster

It's 47x faster: https://github.com/rurban/smhasher/issues/189