From: Alain Frisch <alain@frisch.fr>
To: Bruno De Fraine <Bruno.De.Fraine@vub.ac.be>
Cc: Caml-list ml <caml-list@inria.fr>
Subject: Re: ocamllex speed [was Re: [Caml-list] mboxlib reloaded ;-)]
Date: Mon, 24 Sep 2007 21:54:26 +0200 [thread overview]
Message-ID: <46F815F2.1010903@frisch.fr> (raw)
In-Reply-To: <EFC8B570-0C5E-44D6-88CF-4CC04FA2CAFA@vub.ac.be>
Bruno De Fraine wrote:
> Neither version does anything useful, except print the current directory
> when it encounters the string "current_directory". I tested this on a
> 57M text file (that has only a few "current_directory" occurrences). The
> ocamllex-version takes about 3.5s, while the Str-version takes only
> 0.35s. What causes this difference? Perhaps there is a high overhead in
> calling the translate function for every input character in such big
> input files, but I don't know how this can be avoided.
Did you try to compile the same programs with the native compiler?
-- Alain
next prev parent reply other threads:[~2007-09-24 23:12 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-27 13:54 mboxlib reloaded ;-) Oliver Bandel
2007-04-27 16:29 ` [Caml-list] " Richard Jones
2007-04-27 23:12 ` Oliver Bandel
2007-04-28 0:54 ` skaller
2007-04-28 10:47 ` Oliver Bandel
2007-04-28 10:54 ` Gabriel Kerneis
2007-04-28 11:44 ` Oliver Bandel
2007-04-28 13:49 ` skaller
2007-04-28 14:18 ` Oliver Bandel
2007-04-29 10:45 ` Richard Jones
2007-04-29 15:41 ` Oliver Bandel
2007-04-29 18:51 ` Robert Roessler
2007-05-01 11:00 ` camomile-problem (Re: [Caml-list] mboxlib reloaded ;-)) Oliver Bandel
2007-05-01 10:56 ` [Caml-list] mboxlib reloaded ;-) Oliver Bandel
2007-04-28 7:56 ` Richard Jones
2007-04-28 10:58 ` Oliver Bandel
[not found] ` <20070429103911.GA30510@furbychan.cocan.org>
2007-04-29 15:43 ` Oliver Bandel
2007-09-24 18:22 ` ocamllex speed [was Re: [Caml-list] mboxlib reloaded ;-)] Bruno De Fraine
2007-09-24 19:54 ` Alain Frisch [this message]
2007-09-25 8:53 ` Bruno De Fraine
2007-09-24 22:06 ` skaller
2007-09-27 5:26 ` Chris King
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