From: malc <malc@pulsesoft.com>
To: Oliver Bandel <oliver@first.in-berlin.de>
Cc: Francois Pottier <francois.pottier@inria.fr>, caml-list@inria.fr
Subject: Re: [Caml-list] Turning off type-checking
Date: Wed, 15 May 2002 02:00:53 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.21.0205150157300.706-100000@home.oyster.ru> (raw)
In-Reply-To: <Pine.LNX.3.95.1020514153734.480C-100000@first.in-berlin.de>
On Tue, 14 May 2002, Oliver Bandel wrote:
> On Tue, 14 May 2002, Francois Pottier wrote:
>
> [...]
> > O'Caml's type inference algorithm is sub-optimal for at least one
> > reason: it performs the occurs check at every unification step,
> > instead of delaying it until the current `let' binding is exited.
>
> Would it help to use the Lazy-module and rewrite some parts
> od the application that uses so much time, if written "unlazy"?
>
> BTW: When (in which kind of application) does the Lazy-module
> really helps increasing performance?
The compiler itself uses Lazy in environment manager (typing/env.ml)
Xavier et al can probably shed more light on benefits.
--
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next prev parent reply other threads:[~2002-05-14 21:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-14 3:10 Gregory Morrisett
2002-05-14 7:10 ` Francois Pottier
2002-05-14 7:56 ` eijiro_sumii
2002-05-14 12:51 ` Markus Mottl
2002-05-15 19:42 ` John Max Skaller
2002-05-15 21:02 ` Markus Mottl
2002-05-14 8:20 ` Alain Frisch
2002-05-14 10:33 ` Christophe Raffalli
2002-05-14 13:39 ` Oliver Bandel
2002-05-15 6:00 ` malc [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-05-13 13:31 Markus Mottl
2002-05-13 14:33 ` Lauri Alanko
2002-05-13 21:47 ` Berke Durak
2002-05-14 13:33 ` Oliver Bandel
2002-05-14 14:33 ` Jacques Garrigue
2002-05-14 23:17 ` Markus Mottl
2002-05-14 23:34 ` John Prevost
2002-05-15 8:51 ` Jacques Garrigue
2002-05-15 22:22 ` John Max Skaller
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