#ocaml on 2004-02-24 — irc logs at freenode.irclog.whitequark.org

2004-01-16 07:50 smkl changed the topic of #ocaml to: OCaml 3.07 ! -- Archive of Caml Weekly News: http://pauillac.inria.fr/~aschmitt/cwn, A tutorial: http://merjis.com/richj/computers/ocaml/tutorial/, A free book: http://cristal.inria.fr/~remy/cours/appsem, Mailing List (best ml ever for any computer language): http://caml.inria.fr/bin/wilma/caml-list

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07:13 <smlnewb> I am having a hard time trying to install SML/NJ

07:13 <smlnewb> I am getting "!!! run-time system build failed for some reason" during installation

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07:28 <pattern> you might want to try #sml

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08:52 <lms> hey, I'm about to go to bed, but I wanted to ask if anyone knew of a tutorial to get ocaml set up with mingw, etc, to create executables?

08:54 <lms> anyway, thanks, I'll read the logs if anyone has an answer, I really apprecaite it! :)

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11:19 <bostik> hi all !

11:20 <Demitar> Hello bostik.

11:21 <bostik> i'm evaluating the possibility to develop the cm system in ocaml !

11:21 <bostik> i'm evaluating the possibility to develop the prelude-cm system in ocaml !

11:22 <Demitar> cm?

11:22 <drworm> content management

11:22 <Demitar> Is there an existing implementation or just a design document?

11:33 <bostik> is ocaml slower then c??

11:34 <Maddas> Probably. Why does it matter?

11:34 <Demitar> bostik, it's probably the wrong question. :)

11:35 <Maddas> CM systems usually don't care too much about performance.

11:35 <bostik> yes

11:35 <bostik> but in ids environment yes

11:36 <teratorn> *sigh*

11:36 <Demitar> ids?

11:36 <Maddas> ids environment?

11:37 <bostik> Intrusion Prevention Sys

11:38 <pattern> http://www.prelude-ids.org/ <- is that the site?

11:38 <bostik> yes !

11:38 <pattern> actually there have been some benchmarks which have shown ocaml to be almost as fast as c, and sometimes faster

11:38 <Maddas> I don't think that writing a CMS in C is a very pleasant thing at all.

11:39 <Maddas> pattern: Yes; But I doubt you can say that in general.

11:39 <pattern> maddas it's an ids

11:39 <pattern> maddas, in general it will still be faster than java

11:40 <pattern> lots faster

11:40 <Maddas> pattern: He didn't ask about Java.

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11:41 <pattern> here are some benchmarks, bostik -> http://www.bagley.org/~doug/shootout/craps.shtml

11:41 <Demitar> Then there are of course other things to consider than raw speed.

11:42 <Demitar> And the side effects rich typing can have on speed.

11:46 <pattern> bostik, prelude is programmed in c only at this point?

11:46 <Maddas> Somebody should re-run the Coyote Gulch benchmark; I wonder how O'Caml would perform now.

11:47 <Maddas> (The C++ version was twice as fast as the O'Caml version in beginning 2003; I wonder if the compiler has improved significantly)

11:49 <karryall> Maddas: my guess is that the C++ compiler did improve, but not ocaml :(

11:49 <Maddas> :-/

11:50 <Maddas> s/beginning/January/

11:51 <karryall> so that was ocaml 3.06

11:52 <karryall> anyway this benchmark is about floating point computations right ?

11:52 <Maddas> Yup

11:52 <Maddas> (ICC again was about twice as fast as g++, which is what I meant with "The C++ version")

11:55 <karryall> there's the -ffast-math flag in ocaml 3.07

11:55 * Maddas nods

11:56 <karryall> indeed, could be interesting to see if it makes a differece

11:57 <karryall> so, when will you be running this benchmark? :)

11:57 <Maddas> eek.

11:57 * Maddas shrugs helplessly

11:57 <Maddas> :-)

11:58 <pattern> i would be highly interested in ocaml 3.07 vs 3.06 floating point performance

11:59 <pattern> though, i haven't really started my project, so i'll probably just go w/3.07 (or maybe 3.08 by the time i get around to it) anyway :)

12:07 <mellum> I don't think there's mich of a difference.

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