[spacechild1]

> with rapidhash for hashing (since the GNU std::hash functions based on murmurhash are ridiculously slow)

Doesn't boost::unordered_flat_map use boost::hash by default? How does it compare to rapid hash and std::hash?

[nly]

It's not great.

Rapidhash is just insanely fast and provides good distribution, with built-in support for mixing.

[spacechild1]

That's good to know, thanks!