From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM
	autolearn=ham autolearn_force=no version=3.4.4
X-Google-Thread: 103376,edda2b296e2577cf
X-Google-NewGroupId: yes
X-Google-Attributes: gida07f3367d7,domainid0,public,usenet
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news1.google.com!postnews.google.com!j25g2000yqa.googlegroups.com!not-for-mail
From: =?ISO-8859-1?Q?Egil_H=F8vik?= <egilhovik@hotmail.com>
Newsgroups: comp.lang.ada
Subject: Re: GNAT's Protected Objects
Date: Tue, 9 Nov 2010 02:18:27 -0800 (PST)
Organization: http://groups.google.com
Message-ID: 
 <7312123d-3308-45ce-8d8c-89c0df588a81@j25g2000yqa.googlegroups.com>
References: <ib9mv1$23q$1@tornado.tornevall.net>
 <4af1a5f4-7bf3-47ee-af67-db50e589e7a8@n32g2000pre.googlegroups.com>
 <ib9ts1$91l$1@tornado.tornevall.net>
NNTP-Posting-Host: 193.71.180.107
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1289297907 26956 127.0.0.1 (9 Nov 2010 10:18:27
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Tue, 9 Nov 2010 10:18:27 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: j25g2000yqa.googlegroups.com; posting-host=193.71.180.107;
 posting-account=P68zsgoAAABKpXKMUuwuUZ_RfBk1kZfB
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR
 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729;
 .NET4.0C; .NET4.0E),gzip(gfe)
Xref: g2news1.google.com comp.lang.ada:15397
Date: 2010-11-09T02:18:27-08:00
List-Id: <comp.lang.ada>

On Nov 8, 11:32=A0pm, Jeffrey Carter
<spam.jrcarter....@spam.not.acm.org> wrote:
>
> =A0 =A0 =A0 =A0Result : Matrix;

Result is shared between multiple tasks,
reduce references to a minimum by using a
temporary value:

>
> =A0 =A0 =A0 =A0task body Calc_One is
> =A0 =A0 =A0 =A0 =A0 Row : Natural;
> =A0 =A0 =A0 =A0 =A0 Col : Natural;

            Temp_Result : Float;

> =A0 =A0 =A0 =A0begin -- Calc_One
> =A0 =A0 =A0 =A0 =A0 All_Results : loop
> =A0 =A0 =A0 =A0 =A0 =A0 =A0Control.Get (Row =3D> Row, Col =3D> Col);
>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0exit All_Results when Row =3D 0;
>

  =A0 =A0 =A0 =A0 =A0 =A0 =A0Temp_Result :=3D 0.0;

>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0Sum : for K in Index_Value loop

 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Temp_Result :=3D Temp_Result + Left (Row, =
K) * Right(K,
Col);

> =A0 =A0 =A0 =A0 =A0 =A0 =A0end loop Sum;

               Result(Row, Col) :=3D Temp_Result ;

> =A0 =A0 =A0 =A0 =A0 end loop All_Results;
> =A0 =A0 =A0 =A0exception -- Calc_One
> =A0 =A0 =A0 =A0when E : others =3D>
> =A0 =A0 =A0 =A0 =A0 Ada.Text_IO.Put_Line (Item =3D> "Calc_One " &
> Ada.Exceptions.Exception_Information (E) );
> =A0 =A0 =A0 =A0end Calc_One;


This should give you a nice speedup :)


--
~egilhh