Hello Andy! Andy Wingo <wi...@pobox.com> writes:
> On Tue 22 Jun 2010 23:32, l...@gnu.org (Ludovic Courtès) writes: > >> Andy Wingo <wi...@pobox.com> writes: >> >>> Nasty, but OK I guess if you need it. Why not also add a fast path for >>> scm_is_eq (s1, s2), or for comparing stringbufs, or something ? >> >> Hmm yes. Though if there are too many fast paths the whole thing ends >> up being slow. ;-) > >> I don’t expect (eq? s1 s2) and (eq? (string-buf s1) (string-buf s2)) to >> be common enough to warrant a more specific special case, though. > > Does it affect your original case at all? No, I was just comparing strings not eq?. > In any event, it doesn't involve a memory dereference, only a > branch. It's a cheap check. Even cheaper to not do it. :-) Thanks, Ludo’.
