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From: Kilgallen@SpamCop.net (Larry Kilgallen)
Subject: Re: What is faster Ada or C?
Date: 5 Dec 2001 11:12:15 -0600
Date: 2001-12-05T11:12:15-06:00	[thread overview]
Message-ID: <Ef0AKcEmyUea@eisner.encompasserve.org> (raw)
In-Reply-To: 9ulg5q$cj0$1@a1-hrz.uni-duisburg.de

In article <9ulg5q$cj0$1@a1-hrz.uni-duisburg.de>, Georg Bauhaus <sb463ba@l1-hrz.uni-duisburg.de> writes:
> Pascal Obry <p.obry@wanadoo.fr> wrote:
>  
> : Here is the GNAT 5 output: "-S -gnatp"
> : 
> :        .text
> 	...
> : L2:
> :        cmpl    $1000, -8(%ebp)
> :        jle     L5
> :        jmp     L3
> : L5:
> :        leal    -4(%ebp), %eax
> :        incl    (%eax)
> :        leal    -8(%ebp), %eax
> :        incl    (%eax)
> :        jmp     L2
> : L3:
> 	...
> 
> So now even assembler output is more reader friendly.
> Must be Ada influence :-) :-)

Perhaps the program was optimized for speed or size rather than
for reader friendliness.  I don't know that instruction set,
but there are various issues in some instruction sets regarding
branch prediction and register usage that mean the most optimized
code is likely to be the least obvious.



  reply	other threads:[~2001-12-05 17:12 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-12-01  1:22 What is faster Ada or C? Heiko Hamann
2001-12-01  1:43 ` Aaro Koskinen
2001-12-03  8:49   ` John McCabe
2001-12-04 23:00     ` Florian Weimer
2001-12-05 15:53       ` Ted Dennison
2001-12-06  0:17         ` Jeffrey Carter
2001-12-10 15:18   ` Dale Pontius
2001-12-10 17:44     ` Pascal Obry
2001-12-01  3:44 ` Nick Roberts
2001-12-01 20:09   ` Heiko Hamann
2001-12-02  4:49     ` Jeffrey Carter
2001-12-02 10:44       ` Pascal Obry
2001-12-04 11:43       ` john mann
2001-12-04 14:25         ` Ted Dennison
2001-12-05  9:46           ` John McCabe
2001-12-02 10:07     ` Mark Lundquist
2001-12-03 14:43       ` Ted Dennison
2001-12-09 12:31       ` Robert Dewar
2001-12-01  9:26 ` Gisle Sælensminde
2001-12-01 10:13 ` Pascal Obry
2001-12-02 17:49   ` Bertrand Augereau
2001-12-03 14:39 ` Ted Dennison
2001-12-03 16:19   ` Jeffrey Carter
2001-12-03 19:04     ` Ted Dennison
2001-12-03 20:56       ` Georg Bauhaus
2001-12-03 21:17         ` Preben Randhol
2001-12-03 21:20           ` Preben Randhol
2001-12-04 23:02           ` Florian Weimer
2001-12-05 16:05             ` Georg Bauhaus
2001-12-06 23:33               ` Florian Weimer
2001-12-04  2:35         ` Jeffrey Carter
2001-12-04  6:54           ` Steven Deller
2001-12-04 22:05             ` Bertrand Augereau
2001-12-06  4:25               ` Richard Riehle
2001-12-07 20:02                 ` Hyman Rosen
2001-12-09 19:32                   ` Richard Riehle
2001-12-11 16:14                     ` Hyman Rosen
2001-12-14  0:36                       ` Will
2001-12-19 22:23                         ` Hyman Rosen
2001-12-17 17:37                       ` Richard Riehle
2001-12-20 23:02                         ` Hyman Rosen
2001-12-23  4:12                           ` Will
2001-12-23  6:41                             ` James Rogers
2001-12-04 22:37         ` Pascal Obry
2001-12-05 15:57           ` Georg Bauhaus
2001-12-05 17:12             ` Larry Kilgallen [this message]
2001-12-07 13:21     ` Jacob Sparre Andersen
2001-12-07 15:16       ` Aaro Koskinen
2001-12-07 16:50         ` Preben Randhol
2001-12-07 17:03           ` Jacob Sparre Andersen
2001-12-07 17:26             ` Aaro Koskinen
2001-12-07 18:32               ` Preben Randhol
2001-12-07 20:23               ` Wes Groleau
2001-12-07 17:11           ` Ted Dennison
2001-12-07 18:47             ` Preben Randhol
2001-12-07 16:16       ` Preben Randhol
2001-12-07 17:04         ` Jacob Sparre Andersen
2001-12-07 16:26       ` Ted Dennison
2001-12-07 17:08         ` Jacob Sparre Andersen
2001-12-09 12:27           ` Robert Dewar
2001-12-10 16:51             ` Jacob Sparre Andersen
2001-12-10 17:33               ` Jeff Creem
2001-12-07 16:45       ` Georg Bauhaus
2001-12-07 17:02         ` Preben Randhol
2001-12-07 17:10         ` Jacob Sparre Andersen
2001-12-07 18:12       ` Pascal Obry
2001-12-07 18:50         ` Preben Randhol
2001-12-07 18:54           ` Pascal Obry
2001-12-07 20:40             ` Preben Randhol
2001-12-07 22:01               ` Pascal Obry
2001-12-07 18:19       ` Jeffrey Carter
2001-12-10  9:59       ` Ole-Hjalmar Kristensen
  -- strict thread matches above, loose matches on Subject: below --
2001-12-02 19:37 Gautier Write-only-address
2001-12-23 10:33 Gautier Write-only-address
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