From: Richard Jones <rich@annexia.org>
Cc: caml users <caml-list@inria.fr>
Subject: Re: Array.init (was [Caml-list] Gripes with array)
Date: Fri, 10 Sep 2004 09:53:11 +0100 [thread overview]
Message-ID: <20040910085311.GA12287@annexia.org> (raw)
In-Reply-To: <41414200.40509@univ-savoie.fr>
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On Fri, Sep 10, 2004 at 07:56:16AM +0200, Christophe Raffalli wrote:
>
> >
> >>>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
> runtime finds free block of memory does not use it). It will cost an
> increment of integer at each step in the initialisation process which
> should not be much since the beginning of array may stay in the cache if
> the initialisation function is simple and this will be neggligeable if not.
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.
--
Richard Jones. http://www.annexia.org/ http://www.j-london.com/
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next prev parent reply other threads:[~2004-09-10 8:53 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-09 2:10 [Caml-list] Gripes with array Jon Harrop
2004-09-09 5:08 ` Ville-Pertti Keinonen
2004-09-09 7:17 ` Jean-Christophe Filliatre
2004-09-09 8:23 ` Richard Jones
2004-09-09 9:08 ` Olivier Andrieu
2004-09-09 12:08 ` Basile Starynkevitch [local]
2004-09-09 12:31 ` Damien Doligez
2004-09-09 10:42 ` Gerd Stolpmann
2004-09-09 9:37 ` Damien Doligez
2004-09-09 10:34 ` Jean-Christophe Filliatre
2004-09-09 12:15 ` Igor Pechtchanski
2004-09-09 13:01 ` Brian Hurt
2004-09-09 20:08 ` [Caml-list] 32-bit is sticking around Brandon J. Van Every
2004-09-09 21:04 ` Jon Harrop
2004-09-11 15:30 ` Lars Nilsson
2004-09-11 16:24 ` [off topic] " David MENTRE
2004-09-11 17:52 ` Lars Nilsson
[not found] ` <200409111656.11952.jon@jdh30.plus.com>
2004-09-11 17:47 ` Lars Nilsson
2004-09-09 16:58 ` [Caml-list] Gripes with array Jon Harrop
2004-09-10 5:56 ` Array.init (was [Caml-list] Gripes with array) Christophe Raffalli
2004-09-10 8:53 ` Richard Jones [this message]
2004-09-10 14:50 ` Damien Doligez
2004-09-13 7:02 ` Christophe Raffalli
2004-09-10 13:45 ` [Caml-list] Gripes with array Damien Doligez
2004-09-11 1:43 ` skaller
2004-09-11 3:16 ` skaller
2004-09-11 14:36 ` Jon Harrop
2004-09-11 20:53 ` Damien Doligez
2004-09-12 15:33 ` Jon Harrop
2004-09-12 16:07 ` Basile Starynkevitch [local]
2004-09-10 23:48 ` brogoff
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