It's slower than reference Lua, but not dramatically so: roughly 2-4x behind lua5.4 / 5.5 on most workloads and ~2x on pairs iteration / pattern matching. LuaJIT is its own world - 18-30x faster than ...

Bytecode VM compatible with PUC-Rio Lua 5.4 Lexer and parser AST to bytecode compiler Incremental mark-and-sweep garbage collection Standard library implementation ...