From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr X-Spam-Level: * X-Spam-Status: No, score=1.1 required=5.0 tests=AWL,HTML_MESSAGE,SPF_SOFTFAIL autolearn=disabled version=3.1.3 Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by yquem.inria.fr (Postfix) with ESMTP id 9385BBC6B for ; Wed, 28 Nov 2007 13:38:49 +0100 (CET) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAADPwTEfAFOFui2dsb2JhbACCc4xLAQEBCAQGDxo X-IronPort-AV: E=Sophos;i="4.23,224,1194217200"; d="scan'208,217";a="6268481" Received: from mail-red.research.att.com ([192.20.225.110]) by mail3-smtp-sop.national.inria.fr with ESMTP; 28 Nov 2007 13:38:48 +0100 Received: from [192.168.0.100] (vpn-19.research.att.com [135.207.240.19]) by bigmail.research.att.com (8.13.7+Sun/8.11.6) with ESMTP id lASCchoY018546; Wed, 28 Nov 2007 07:38:45 -0500 (EST) In-Reply-To: <1196243387-sup-4653@port-ext2.ensta.fr> References: <1196234040.6361.7.camel@Blefuscu> <1196243387-sup-4653@port-ext2.ensta.fr> Mime-Version: 1.0 (Apple Message framework v752.3) Content-Type: multipart/alternative; boundary=Apple-Mail-34-1050463073 Message-Id: <473A3930-912E-4050-8389-B92229B8ABC3@research.att.com> Cc: David Teller , caml-list From: Yitzhak Mandelbaum Subject: Re: [Caml-list] Building a parser with Camlp4 Date: Wed, 28 Nov 2007 07:38:31 -0500 To: Nicolas Pouillard X-Mailer: Apple Mail (2.752.3) X-Spam: no; 0.00; yitzhak:01 mandelbaum:01 yitzhak:01 parser:01 camlp:01 parser:01 camlp:01 mandelbaum:01 28,:98 2007,:98 28,:98 2007,:98 imho:01 imho:01 wrote:01 --Apple-Mail-34-1050463073 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed A more important question (IMHO) : does it matter? I.e. how fast do you need the parser to be? On Nov 28, 2007, at 4:57 AM, Nicolas Pouillard wrote: >> * Camlp4 looks relatively slow -- is it much slower than Yacc ? > > Yes, that's the cost of dynamic extensibility. -------------------------------------------------- Yitzhak Mandelbaum AT&T Labs - Research http://www.research.att.com/~yitzhak --Apple-Mail-34-1050463073 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=US-ASCII A more important question (IMHO) : does it matter? I.e. how fast do you = need the parser to be?

On Nov 28, = 2007, at 4:57 AM, Nicolas Pouillard wrote:

* Camlp4 = looks relatively slow -- is it much slower than Yacc ?
=

Yes, that's the cost of dynamic extensibility.
=

= --Apple-Mail-34-1050463073--