From: "Martin Dowie" <martin.dowie@btopenworld.com>
Subject: Re: Mneson announcement and help request
Date: Wed, 2 Jun 2004 19:46:12 +0000 (UTC)
Date: 2004-06-02T19:46:12+00:00 [thread overview]
Message-ID: <c9laq4$ggk$1@sparta.btinternet.com> (raw)
In-Reply-To: mailman.37.1086198453.391.comp.lang.ada@ada-france.org
"Marius Amado Alves" <amado.alves@netcabo.pt> wrote in message
news:mailman.37.1086198453.391.comp.lang.ada@ada-france.org...
> Ok, so the secret formula is:
>
> cost(exception check) < cost(condition check) < cost(raising)
Quite possibly
"much <" cost(raising)
There might even be times when
cost(exception check) = cost(condition check)
or
cost(exception check) > cost(condition check)
> And of course which idiom is best for algorithm A depends on the nature
> and casuistics of A. Finding the critical algorithms and determining
> these properties for each one is the hard work now.
Absolutely but for some systems it might just be worth doing (particularly
hard real-time systems).
> In the ASCLWG discussion I didn't intend to demonstrate past the case at
> hand then, namely the first two costs above. Maybe I was blissfully
> ignorant of the third.
>
> Now I'll have one more hint next time I find some Mneson function slow.
>
> Thanks for the byte :-)
Your welcome! :-)
Cheers
-- Martin
next prev parent reply other threads:[~2004-06-02 19:46 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-01 15:56 Mneson announcement and help request Marius Amado Alves
2004-06-02 2:26 ` Jeff C,
2004-06-02 3:06 ` Marius Amado Alves
2004-06-02 11:19 ` Georg Bauhaus
2004-06-02 11:41 ` Marius Amado Alves
[not found] ` <c9l0vo$pq3$1@sparta.btinternet.com>
2004-06-02 17:47 ` Marius Amado Alves
2004-06-02 19:46 ` Martin Dowie [this message]
2004-06-02 22:10 ` Randy Brukardt
2004-06-03 5:58 ` Martin Dowie
2004-06-04 3:21 ` Randy Brukardt
2004-06-04 5:55 ` Martin Dowie
2004-06-04 7:30 ` Jean-Pierre Rosen
2004-06-04 14:11 ` Larry Kilgallen
2004-06-03 4:12 ` Jeffrey Carter
2004-06-03 5:48 ` Martin Dowie
2004-06-03 9:02 ` Martin Krischik
2004-06-02 11:41 ` Georg Bauhaus
2004-06-02 13:14 ` Marius Amado Alves
2004-06-03 4:09 ` Jeffrey Carter
2004-06-03 11:24 ` Georg Bauhaus
2004-06-02 3:21 ` Marius Amado Alves
2004-06-22 20:49 ` Jacob Sparre Andersen
2004-06-23 9:36 ` Marius Amado Alves
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox