Depending on the function you may even be able to use "two for one" hashing, splitting e.g. a single 64 bit hash into two different 32 bit ones and combine thos

Depending on the function you may even be able to use "two for one" hashing, splitting e.g. a single 64 bit hash into two different 32 bit ones and combine those. https://arxiv.org/abs/2008.08654 https://arxiv.org/abs/2008.08654