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[Caml-list] Formal Methods
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Date: | 2004-10-01 (09:00) |
From: | Achim Blumensath <blume@l...> |
Subject: | Re: [Caml-list] Formal Methods |
On Fri, Oct 01, 2004 at 10:24:15AM +0200, Thomas Fischbacher wrote: > On Thu, 30 Sep 2004, Jacques Carette wrote: > > I also see an analogy with type systems such as Ocaml's: in theory, type > > inference is exponential, while in practice it is very fast. This is > > because the worst cases are very degenerate, and do not tend to occur in > > common / meaningful programs. > > Well, I this is quite different from what I experience if I use a (perl) > code-generator which spits out ocaml code. > > I don't know if this is still a problem, but I already encountered severe > difficulties when trying to compile a fixed constant definition of an > array (length ~380 000) of arrays (length ~10) of strings (length ~4). I don't think this is related to the type system of OCaml. It seems to be just an inefficient implementation: the part of the compiler dealing with arrays is apparently not tail-recursive (see feature wish 2306 in the bug database). Achim -- ________________________________________________________________________ | \_____/ | Achim Blumensath \O/ \___/\ | LaBRI / Bordeaux =o= \ /\ \| www-mgi.informatik.rwth-aachen.de/~blume /"\ o----| ____________________________________________________________________\___| ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners