Truly solving this problem is difficult, but you can hack around it with a zygote process to remove a substantial amount of overhead, in exchange for RAM. While

Truly solving this problem is difficult, but you can hack around it with a zygote process to remove a substantial amount of overhead, in exchange for RAM. While this is generally more of win for server processes, you can see it applied to a CLI proof of concept: https://github.com/msolo/pyzy https://github.com/msolo/pyzy