Fastest hash for non-cryptographic uses?

Question

I\'m essentially preparing phrases to be put into the database, they may be malformed so I want to store a short hash of them instead (I will be simply comparing if they exi

Answer 1

If you're looking for fast and unique, I recommend xxHash or something that uses newer cpu's crc32c built-in command, see https://stackoverflow.com/a/11422479/32453. It also links there to possibly even faster hashes if you don't care about the possibility of collision as much.