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 MAA09070; Fri, 15 Aug 2003 12:33:20 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id MAA03376 for ; Fri, 15 Aug 2003 12:33:19 +0200 (MET DST) Received: from mail1.tpgi.com.au (mail.tpgi.com.au [203.12.160.57]) by concorde.inria.fr (8.11.1/8.11.1) with ESMTP id h7FAXHf23595 for ; Fri, 15 Aug 2003 12:33:17 +0200 (MET DST) Received: from 203-219-16-100-syd-ts21-2600.tpgi.com.au (203-219-16-100-syd-ts21-2600.tpgi.com.au [203.219.16.100]) by mail1.tpgi.com.au (8.11.6/8.11.6) with ESMTP id h7FAWs732116; Fri, 15 Aug 2003 20:32:58 +1000 Subject: Re: [Caml-list] Obj.magic, Obj.t etc. From: skaller Reply-To: skaller@ozemail.com.au To: "Marcin 'Qrczak' Kowalczyk" Cc: caml-list@inria.fr In-Reply-To: <200308141245.13230.qrczak@knm.org.pl> References: <002401c3623d$22c3f2e0$0201a8c0@foorama> <20030814173444D.garrigue@kurims.kyoto-u.ac.jp> <200308141245.13230.qrczak@knm.org.pl> Content-Type: text/plain; charset=UTF-8 Message-Id: <1060943577.22302.46.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-4) Date: 15 Aug 2003 20:32:58 +1000 Content-Transfer-Encoding: 8bit X-Loop: caml-list@inria.fr X-Spam: no; 0.00; ozemail:01 caml-list:01 marcin:01 'qrczak':01 kowalczyk:01 jacques:01 neutralize:01 arrays:01 garrigue:01 polymorphic:01 uniform:02 inner:02 float:02 module:03 wrote:03 Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk On Thu, 2003-08-14 at 20:45, Marcin 'Qrczak' Kowalczyk wrote: > Dnia czw 14. sierpnia 2003 10:34, Jacques Garrigue napisał: > > > As a result, the representation of float arrays would not be uniform, > > requiring a check before access, which would probably neutralize any > > performance advantage of having a special representation. > > But now the check is required before polymorphic access. It happens in inner > loops in almost all functions from the Array module. Then you lift the check out of the loop: one check, two loops specialised for each case. ------------------- 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