From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Ada bench : count words
Date: Tue, 22 Mar 2005 23:27:25 +0100
Date: 2005-03-22T23:27:22+01:00 [thread overview]
Message-ID: <1j5jfikipztuc.jx5n2zhbg2np$.dlg@40tude.net> (raw)
In-Reply-To: mailman.47.1111454204.23655.comp.lang.ada@ada-france.org
On Tue, 22 Mar 2005 01:16:09 +0000, Marius Amado Alves wrote:
Here is a FSM/OS_Lib variant, a shameless one, I must admit. Anyway it
narrowly beats:
http://dada.perl.it/shootout/wc.gcc.html
on my FC3 machine. But of course it has no chance against:
http://shootout.alioth.debian.org/great/benchmark.php?test=wc&lang=gcc&id=0&sort=fullcpu,
which uses even dirtier tricks than me! (:-))
----------------------------------------------------
with Ada.Characters.Latin_1; use Ada.Characters.Latin_1;
with Ada.Text_IO; use Ada.Text_IO;
with GNAT.OS_Lib; use GNAT.OS_Lib;
procedure Ada_WC is
subtype Buffer_Index is Integer range 1..4099;
type File_Buffer is array (Buffer_Index) of aliased Character;
Buffer : File_Buffer;
Index : Buffer_Index := Buffer_Index'First;
Last : Integer := Buffer_Index'First;
Lines : Natural := 0;
Words : Natural := 0;
Total : Natural := 0;
begin
<<Blank>>
if Index < Last then -- This "if" should be a subprogram,
Index := Index + 1; -- but I don't trust GNAT!
else
Last := Read (Standin, Buffer (1)'Address, 4098); -- 4K! to read
if Last = 0 then
goto Done;
end if;
Total := Total + Last;
Index := Buffer_Index'First;
end if;
case Buffer (Index) is
when ' ' | HT => goto Blank;
when LF => Lines := Lines + 1; goto Blank;
when others => Words := Words + 1;
end case;
<<Word>>
if Index < Last then
Index := Index + 1;
else
Last := Read (Standin, Buffer (1)'Address, 4098);
if Last = 0 then
goto Done;
end if;
Total := Total + Last;
Index := Buffer_Index'First;
end if;
case Buffer (Index) is
when ' ' | HT => goto Blank;
when LF => Lines := Lines + 1; goto Blank;
when others => goto Word;
end case;
<<Done>>
Put_Line
( Natural'Image (Lines)
& Natural'Image (Words)
& Natural'Image (Total)
);
end Ada_WC;
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2005-03-22 22:27 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-19 16:22 Ada bench Pascal Obry
2005-03-19 16:55 ` Dr. Adrian Wrigley
2005-03-19 21:32 ` Michael Bode
2005-03-20 9:20 ` Pascal Obry
2005-03-20 9:39 ` Michael Bode
2005-03-20 11:16 ` Pascal Obry
2005-03-20 12:20 ` Dmitry A. Kazakov
2005-03-20 12:32 ` Pascal Obry
2005-03-21 1:42 ` (see below)
2005-03-21 2:24 ` (see below)
2005-03-21 15:00 ` (see below)
2005-03-21 3:54 ` Ed Falis
2005-03-21 12:20 ` Jeff C
2005-03-21 15:18 ` (see below)
2005-03-21 15:24 ` (see below)
2005-03-21 18:56 ` Isaac Gouy
2005-03-21 21:31 ` Randy Brukardt
2005-03-21 22:14 ` Ed Falis
2005-03-21 18:07 ` Pascal Obry
2005-03-20 10:11 ` Adrian Knoth
2005-03-20 10:30 ` Michael Bode
2005-03-21 23:27 ` Georg Bauhaus
2005-03-22 1:16 ` Ada bench : count words Marius Amado Alves
2005-03-22 10:59 ` Dmitry A. Kazakov
2005-03-22 11:57 ` Marius Amado Alves
2005-03-22 12:17 ` Dmitry A. Kazakov
2005-03-22 12:47 ` Marius Amado Alves
2005-03-22 13:08 ` Dmitry A. Kazakov
2005-03-22 13:28 ` Marius Amado Alves
2005-03-22 16:48 ` Marius Amado Alves
2005-03-22 17:34 ` Dmitry A. Kazakov
2005-03-27 20:14 ` jtg
2005-03-27 21:22 ` Dmitry A. Kazakov
2005-03-28 19:54 ` jtg
2005-03-28 20:56 ` Dmitry A. Kazakov
2005-03-29 12:40 ` jtg
2005-03-29 13:00 ` [OT] " Tapio Kelloniemi
2005-03-29 13:47 ` Dmitry A. Kazakov
2005-03-29 15:53 ` Tapio Kelloniemi
2005-03-29 16:17 ` Dmitry A. Kazakov
[not found] ` <k33j419lgei1ui89s26o1dlr9ccf1qe1hd@4ax.com>
2005-04-11 23:04 ` Marius Amado Alves
2005-03-29 13:47 ` Dmitry A. Kazakov
2005-04-01 20:58 ` Georg Bauhaus
2005-04-01 20:18 ` Pascal Obry
2005-03-22 12:53 ` Marius Amado Alves
[not found] ` <f205219321dd18dba878fab16b7cb50d@netcabo.pt>
2005-03-22 13:12 ` Marius Amado Alves
2005-03-23 16:58 ` Isaac Gouy
2005-03-22 13:58 ` Robert A Duff
2005-03-22 16:30 ` Marius Amado Alves
2005-03-22 16:41 ` Tapio Kelloniemi
2005-03-22 17:39 ` Marius Amado Alves
2005-03-22 18:59 ` Dmitry A. Kazakov
2005-03-22 19:08 ` Tapio Kelloniemi
2005-03-22 18:34 ` Georg Bauhaus
2005-03-22 19:32 ` Robert A Duff
2005-03-22 20:04 ` tmoran
2005-03-23 16:55 ` Isaac Gouy
[not found] ` <1820eab50b57f2fe1c4e8e50bb0f4fe5@netcabo.pt>
2005-03-22 22:49 ` Stephen Leake
2005-03-22 22:58 ` Robert A Duff
2005-03-22 23:27 ` Larry Kilgallen
2005-03-23 22:33 ` Robert A Duff
2005-03-24 5:02 ` Larry Kilgallen
[not found] ` <wccpsxqro0c.fsfOrganization: LJK Software <bM40pHW6P2KW@eisner.encompasserve.org>
2005-03-25 1:34 ` Robert A Duff
2005-03-22 12:22 ` Jeff C
2005-03-23 16:48 ` Isaac Gouy
2005-03-23 17:06 ` Isaac Gouy
2005-03-22 19:49 ` tmoran
2005-03-22 21:51 ` Dmitry A. Kazakov
2005-03-23 0:16 ` tmoran
2005-03-23 7:25 ` Dmitry A. Kazakov
2005-03-22 22:33 ` Marius Amado Alves
[not found] ` <00b362390273e6c04844dd4ff1885ee0@netcabo.pt>
2005-03-23 15:09 ` Marius Amado Alves
2005-03-23 19:00 ` tmoran
2005-03-23 19:30 ` tmoran
2005-03-23 21:38 ` tmoran
2005-03-25 7:30 ` Simon Wright
2005-03-25 9:38 ` tmoran
2005-03-25 16:20 ` Tapio Kelloniemi
2005-03-25 22:18 ` Ada:The High Performance Language for Hyperthreaded and Multicore CPUs; was " tmoran
2005-03-23 19:54 ` Tapio Kelloniemi
2005-03-23 20:39 ` Ada bench : word frequency Marius Amado Alves
2005-03-23 21:26 ` Isaac Gouy
2005-03-24 1:24 ` Marius Amado Alves
2005-03-24 17:23 ` Isaac Gouy
2005-03-24 19:52 ` Martin Dowie
2005-04-11 15:11 ` Marius Amado Alves
2005-03-24 20:16 ` Pascal Obry
2005-03-24 22:54 ` tmoran
2005-04-11 15:38 ` Marius Amado Alves
2005-03-24 21:18 ` Gautier Write-only
2005-04-11 15:32 ` Marius Amado Alves
2005-04-11 23:56 ` Robert A Duff
2005-04-28 4:04 ` Matthew Heaney
2005-04-28 20:40 ` Matthew Heaney
2005-03-23 21:38 ` Ada bench : count words tmoran
2005-03-24 20:19 ` tmoran
2005-03-24 21:00 ` Pascal Obry
2005-03-24 22:54 ` tmoran
2005-03-30 16:08 ` Andre
2005-03-30 16:36 ` Pascal Obry
2005-03-22 22:27 ` Dmitry A. Kazakov [this message]
2005-03-23 7:46 ` Pascal Obry
2005-03-23 7:56 ` Dmitry A. Kazakov
2005-03-23 13:38 ` Robert A Duff
2005-03-22 7:05 ` Ada bench Pascal Obry
2005-04-07 20:59 ` David Sauvage
2005-04-07 23:40 ` David Sauvage
2005-04-08 17:11 ` Pascal Obry
2005-04-08 17:39 ` tmoran
2005-04-08 18:49 ` David Sauvage
2005-04-18 19:14 ` David Sauvage
2005-04-19 16:43 ` Matthew Heaney
2005-04-19 23:22 ` David Sauvage
2005-04-20 0:49 ` Matthew Heaney
2005-04-20 4:22 ` Georg Bauhaus
2005-04-20 21:24 ` David Sauvage
2005-04-20 23:06 ` Georg Bauhaus
2005-04-20 9:41 ` Pascal Obry
2005-04-20 11:44 ` Matthew Heaney
2005-04-20 14:47 ` Pascal Obry
2005-04-20 19:26 ` Georg Bauhaus
2005-04-20 19:34 ` Pascal Obry
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