From: Nickolay Semyonov-Kolchin <snob@snob.spb.ru>
To: David Chase <chase@world.std.com>, caml-list@inria.fr
Subject: Re: Coyote Gulch test in Caml (was Re: [Caml-list] speed )
Date: Wed, 22 Jan 2003 01:26:33 +0500 [thread overview]
Message-ID: <200301220126.33978.snob@snob.spb.ru> (raw)
In-Reply-To: <5.2.0.9.0.20030121080628.068047f0@pop.theWorld.com>
On Tuesday 21 January 2003 18:09, David Chase wrote:
> At 02:39 AM 1/21/2003 +0500, Nickolay Semyonov-Kolchin wrote:
> >Speed and accuracy are different things. Matlab class software need
> > accuracy, most computer games need speed. This is the reason of
> > "-ffast-math" key in gcc. Ocaml lacks such key, and always produce
> > ineffecient floating-point code.
>
> But how much accuracy do computer games need? First-class implementations
> of sin/cos in software are quite fast, indeed faster (in certain
> non-trivial ranges) than the hardware itself. If it happens that you could
> determine how *little* accuracy you actually need, it could go faster yet
> :-).
>
That depends. "Computer games" was just an example of software that don't
require great accuracy.
Nickolay
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next prev parent reply other threads:[~2003-01-22 7:22 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-03 16:00 [Caml-list] speed onlyclimb
2003-01-03 11:38 ` [Caml-list] speed Clemens Hintze
2003-01-03 11:47 ` [Caml-list] speed Noel Welsh
2003-01-02 16:45 ` Chet Murthy
2003-01-03 13:32 ` Xavier Leroy
2003-01-02 17:52 ` Chet Murthy
2003-01-03 14:53 ` Sven Luther
2003-01-03 15:28 ` Erol Akarsu
2003-01-02 17:53 ` Coyote Gulch test in Caml (was Re: [Caml-list] speed ) Chet Murthy
2003-01-03 15:10 ` Shawn Wagner
2003-01-03 15:56 ` Oleg
2003-01-04 18:31 ` Xavier Leroy
2003-01-18 22:49 ` Oleg
2003-01-18 23:50 ` Shawn Wagner
2003-01-20 21:23 ` David Chase
2003-01-20 21:39 ` Nickolay Semyonov-Kolchin
2003-01-21 0:54 ` Brian Hurt
2003-01-21 13:09 ` David Chase
2003-01-21 13:15 ` Daniel Andor
2003-01-21 20:26 ` Nickolay Semyonov-Kolchin [this message]
2003-01-19 10:33 ` Siegfried Gonzi
2003-01-19 10:34 ` Siegfried Gonzi
2003-01-21 9:56 ` [Caml-list] Re: Coyote Gulch test in Caml Xavier Leroy
2003-01-21 15:57 ` Brian Hurt
2003-01-27 16:58 ` Daniel Andor
2003-01-28 8:27 ` Christian Lindig
2003-01-05 1:13 ` [Caml-list] speed Brian Hurt
2003-01-05 1:48 ` Michael Vanier
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