From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id KAA02611; Fri, 10 Sep 2004 10:53:13 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id KAA02343 for ; Fri, 10 Sep 2004 10:53:12 +0200 (MET DST) Received: from annexia.force9.co.uk (annexia.force9.co.uk [212.56.101.183]) by nez-perce.inria.fr (8.13.0/8.13.0) with ESMTP id i8A8rBJ6012633 for ; Fri, 10 Sep 2004 10:53:12 +0200 Received: from rich by annexia.force9.co.uk with local (Exim 3.36 #1 (Debian)) id 1C5h9b-0003E7-00 for ; Fri, 10 Sep 2004 09:53:11 +0100 Date: Fri, 10 Sep 2004 09:53:11 +0100 Cc: caml users Subject: Re: Array.init (was [Caml-list] Gripes with array) Message-ID: <20040910085311.GA12287@annexia.org> References: <200409090310.29295.jon@jdh30.plus.com> <200409091758.05679.jon@jdh30.plus.com> <41414200.40509@univ-savoie.fr> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="opJtzjQTFsWo+cga" Content-Disposition: inline In-Reply-To: <41414200.40509@univ-savoie.fr> User-Agent: Mutt/1.5.5.1+cvs20040105i From: Richard Jones X-Miltered: at nez-perce with ID 41416B77.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Loop: caml-list@inria.fr X-Spam: no; 0.00; caml-list:01 2004:99 raffalli:01 invariants:01 runtime:01 crm:99 consultancy:99 ltd:98 christophe:01 0200,:01 increment:01 sep:01 wrote:03 array:04 array:04 X-Attachments: type="application/pgp-signature" name="signature.asc" Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk --opJtzjQTFsWo+cga Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 10, 2004 at 07:56:16AM +0200, Christophe Raffalli wrote: >=20 > > > >>>Also, can Array.init be made to fill the elements only once? > >> > >>No, that's impossible without breaking the GC invariants. > > You could also lie in the tag about the size of array (if the way the=20 > runtime finds free block of memory does not use it). It will cost an=20 > increment of integer at each step in the initialisation process which=20 > should not be much since the beginning of array may stay in the cache if= =20 > the initialisation function is simple and this will be neggligeable if no= t. Can one set the tag first to Custom_tag, then once array initialization is complete, set the tag again to 0 (or Array_double_tag as appropriate)? Rich. --=20 Richard Jones. http://www.annexia.org/ http://www.j-london.com/ Merjis Ltd. http://www.merjis.com/ - improving website return on investment http://www.winwinsales.co.uk/ - CRM improvement consultancy --opJtzjQTFsWo+cga Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQFBQWt34le1M6q9pzoRAmTeAJ92YeGTWO+FLemgJ07u4w6De6SqewCeL3Xq 76tGGYX8J37Zj5t0VYGFlW4= =GGyR -----END PGP SIGNATURE----- --opJtzjQTFsWo+cga-- ------------------- 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