FNV

Fowler–Noll–Vo hash functions collection.

Please refer to the module of the variant you want to use for more details:

Difference between both variants

The only difference between the FNV-1a hash and the FNV-1 hash is the
order of the xor and multiply. The FNV-1a hash uses the same FNV_prime
and offset_basis as the FNV-1 hash of the same n-bit size.

Source: http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-1a

It is recommended to prefer FNV-1a, as people state that this variant produces slightly better results than FNV-1.

Further reading

Source