From: DELCOURT J�r�me <sikander@club-internet.fr>
Subject: Re: Multiprecisions numbers
Date: 2000/04/01
Date: 2000-04-01T20:46:33+00:00 [thread overview]
Message-ID: <38E6EDE8.6AC1@club-internet.fr> (raw)
In-Reply-To: 38E5BFDD.AB9ED487@maths.unine.ch
Gautier wrote:
>
> Pascal Obry:
>
> > Do you have some benchmarks about the relative speed of these
> > implementations ?
>
> This would be very interesting (not time and equipment myself now)
> E.g. GMP and other known packages, being in C, must allocate, reallocate,
> deallocate memory for multi-integer. It consume time and the memory
> gets fragmented very fast, requiring garbage collection that can take
> longer than the computing itself. Reversely, pure Ada methods where functions
> can return a whole unconstrained array, can work only on stack with
> local variables. Anyway, using the "procedure with out parameter" variants
> give very quick results on OpenVMS (Compaq Ada V3.5-2) and PC (GNAT/DOS).
> No comparisons though from my side.
>
> _____________________________________________
> Gautier -- http://members.xoom.com/gdemont/
You can find packages in ada about multiprecision numbers at
http://www.chez.com/bignumber/index.html.
Jerome Delcourt
next prev parent reply other threads:[~2000-04-01 0:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-03-31 0:00 Re : Multiprecisions numbers DELCOURT J�r�me
2000-03-31 0:00 ` Pascal Obry
2000-04-01 0:00 ` DELCOURT J�r�me
2000-04-01 0:00 ` Gautier
2000-04-01 0:00 ` DELCOURT J�r�me [this message]
2000-04-02 0:00 ` Gisle S�lensminde
2000-04-04 0:00 ` DELCOURT J�r�me
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