I get that, but a lot of C interpreters use switch, for example Lua: https://www... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

torginus 43 days ago | parent | context | favorite | on: Tail-call optimization in C is relatively recent (...

I get that, but a lot of C interpreters use switch, for example Lua:

https://www.lua.org/source/5.5/lvm.c.html#vmdispatch

noelwelsh 43 days ago [–]

Switch is fine if you don't care about performance. If you do care about performance then direct threading is faster. Direct threading uses tail calls.

More here: https://noelwelsh.com/posts/understanding-vm-dispatch/

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact