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Message-ID: <47D39DC8.20002@obry.net>
Date: Sun, 09 Mar 2008 09:20:24 +0100
From: Pascal Obry <pascal@obry.net>
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To: Maciej Sobczak <see.my.homepage@gmail.com>
Subject: Re: Robert Dewar's great article about the Strengths of Ada over
  other langauges in multiprocessing!
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Date: 2008-03-09T09:20:25+01:00
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Maciej Sobczak a �crit :
> Ada will most likely miss the "multicore revolution", unless it will
> *really* focus on performance - the point is that all this multicore
> hoopla revolves around performance, *exclusively*.

Probably, that's why C++ code using threading, OpenMP or MPI are just a 
mess. Impossible to maintain because C++ hackers seems to prefer working 
hard 6 month for gaining 2% of performance instead of buying a new 
computer with more core or adding some node on a cluster. Sorry, but 
I've seen that, horrible mess just because hacking C++ code seems fun to 
many people.

I prefer using Ada, even losing 10% performance initially, having a 
clean object oriented design (using distributed annex, and Ada tasking). 
Then when the application is done, just buy the new multicore-box and 
you get back the performance than what you loose initially.

The cherry on top of the cake is that your application can be ported to 
a new architecture without much trouble. I've seen people spending 
months porting an application from one machine to another to "tweak" it 
as best as possible. A big lost of money when you compare the salary 
against the price of a new machine. Especially since now the application 
if full of #define and twisted code that make it just unmaintainable.

I hope at some point people will understand that... All this man-power 
burned stupidly !

Pascal.

-- 

--|------------------------------------------------------
--| Pascal Obry                           Team-Ada Member
--| 45, rue Gabriel Peri - 78114 Magny Les Hameaux FRANCE
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--| "The best way to travel is by means of imagination"
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