> Any reasonably widely used language will have users who care about latency. Right, but, to the parent's point, OCaml, with its HFT pedigree, has an unusual l

> Any reasonably widely used language will have users who care about latency. Right, but, to the parent's point, OCaml, with its HFT pedigree, has an unusual level of latency sensitivity in its userbase. I can't speak for Jane Street, but, at the prop shop where I did my time, nobody found it all that peculiar to have major cross-company initiatives to, e.g., shave a couple bytes off a datagram format just to reduce some message's average latency by a fraction of a millisecond.