From: Achim Blumensath <blume@labri.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Formal Methods
Date: Fri, 1 Oct 2004 11:01:34 +0200 [thread overview]
Message-ID: <20041001090134.GB15132@labri.fr> (raw)
In-Reply-To: <Pine.LNX.4.58.0410011019290.7501@eiger.cip.physik.uni-muenchen.de>
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
--
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| \_____/ |
Achim Blumensath \O/ \___/\ |
LaBRI / Bordeaux =o= \ /\ \|
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____________________________________________________________________\___|
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next prev parent reply other threads:[~2004-10-01 9:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-30 15:51 David McClain
2004-09-30 17:35 ` Jacques Carette
2004-09-30 18:42 ` Jon Harrop
2004-10-01 8:24 ` Thomas Fischbacher
2004-10-01 9:01 ` Achim Blumensath [this message]
2004-09-30 17:54 ` [Off-topic] " David MENTRE
2004-10-01 7:36 ` Jean-Christophe Filliatre
2004-10-01 7:51 ` Tom
2004-10-01 9:04 ` Martin Berger
2004-10-01 8:30 ` Hendrik Tews
2004-10-01 9:18 ` Martin Berger
2004-09-30 17:19 Harrison, John R
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