Since bff4lnr is an interpreter, this really becomes apples and oranges. But for fun, dbfi.b on bff4lnr (at -O3) vs all at -O0 and -O3: http://imgur.com/uEEgVr0

Since bff4lnr is an interpreter, this really becomes apples and oranges. But for fun, dbfi.b on bff4lnr (at -O3) vs all at -O0 and -O3: http://imgur.com/uEEgVr0 http://imgur.com/uEEgVr0 Conclusion: if you want speed then compile.