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From: colbert@spp1.UUCP (Ed Colbert)
Subject: Re: Thus spake the DoD...
Date: Mon, 11-Mar-85 20:47:28 EST	[thread overview]
Date: Mon Mar 11 20:47:28 1985
Message-ID: <176@spp1.UUCP> (raw)
In-Reply-To: 473@ssc-vax.UUCP


>...  I think that Pascal is a fine tool for certain things, and Lord
>knows I certainly hope that the DoD finds some fine applications for Ada one
>of these centuries, since I'd like to see some kind of return for all the
>red ink we spill.  But seriously, folks, I have yet to see a profitable Ada
>program, and so has the DoD.
>
>Ted Jardine

You will be pleased to know that in 1981 a company called INTELEMAC wrote 2
buisness applications in Ada which it successfully marketed.  Also the
flight software for Northrup's F-20 is written in Ada & is successfully
completed its flight tests.

In fact,  Ada is a very nice language to use for MANY applications and the
people/companies that have used it, report tremendous productivity
improvements (the gains come during unit testing & integration & test
phases, there hasn't been enough time yet to determine the gains during the
maintainace phase).

The major cost of Ada is training.  There are 2 reasons for this:

	1) It unquestionably takes more time to for someone to learn
	   Ada to the degree where they can FULLY utilizies its
	   capabilities and FULLY understand the language.  However,
	   this is at least partially do to the fact that there is so
	   much capability in Ada.
	   [NOTE: this is base both on my personal experience in
	   learning Ada & in teaching it.]

	2) Most programmers don't know Ada.

The second problem will decrease over time as more & more people learn Ada.
Also some of the cost of this instruction will be recoverd since people will
not have to be learn a new language every time they switch to a new
machine or project once they have learn Ada.


Ed Colbert

  parent reply	other threads:[~1985-03-12  1:47 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1985-02-14 15:59 Thus spake the DoD Frederick J Dickey
1985-02-17  1:58 ` Robert Hofkin
1985-02-17 16:36 ` g-frank
1985-02-18  5:18   ` Skef Wholey
1985-02-18 14:33 ` Chuck Hedrick
1985-02-19 19:09   ` Daniel J. Salomon
1985-02-22  2:21     ` LISP &c (re: the DoD...) Thomas M. Breuel
1985-02-25 17:08     ` Thus spake the DoD Jan Steinman
1985-02-26 23:20     ` Stanley Shebs
1985-02-27 19:22       ` Daniel J. Salomon
1985-03-01 19:30         ` Stanley Shebs
1985-03-01 20:13         ` neves
1985-03-02  4:33         ` Thomas M. Breuel
1985-03-02 18:35           ` Efficiency of LISP Marty Sasaki
1985-03-03  0:23         ` Language criticism Greg Davidson
1985-03-06 14:13         ` Thus spake the DoD geb
1985-02-28  3:16       ` David Schachter
1985-03-01 19:00         ` Stanley Shebs
1985-03-03  3:08         ` Joaquim Martillo
1985-03-03  6:12         ` T J Jardine
1985-03-05 16:55           ` Jan Steinman
1985-03-05 21:07           ` Robert A. Pease
1985-03-12  1:47           ` Ed Colbert [this message]
1985-03-13 19:35       ` Monique M Taylor
1985-03-17 19:49         ` Jan Steinman
1985-03-21  1:17           ` faustus
1985-03-12  0:25     ` Efficiency of LISP Stavros Macrakis
1985-03-12  2:11     ` Efficiency of numerical Lisp code (details) Stavros Macrakis
1985-03-13  7:05     ` Chuck Hedrick
1985-03-13 20:00     ` Speed with numbers: PDP-10 Maclisp vs. Fortran (details) Stavros Macrakis
1985-03-14 10:12       ` Tim Maroney
1985-03-15  0:27         ` Bill Henneman
1985-03-16  0:59           ` Tim Maroney
1985-03-17 18:58             ` Bill Henneman
1985-03-18  5:02               ` Multi-language systems Marty Sasaki
1985-03-20 17:01                 ` Tom Slack
1985-03-18 21:24               ` Speed with numbers: PDP-10 Maclisp vs. Fortran (details) Tim Maroney
1985-03-19  6:45                 ` Fortran better than Lisp for numerical code? Barry Margolin
1985-03-19 17:35                   ` Speed of Lisp numerical code Stavros Macrakis
1985-03-20 21:04                   ` Fortran better than Lisp for numerical code? T J Jardine
1985-03-22  2:10                     ` Joe Orost
1985-03-19 16:15                 ` Speed with numbers: PDP-10 Maclisp vs. Fortran (details) Bill Henneman
1985-03-19  3:40               ` Norman Diamond
1985-03-18  3:01             ` Common Lisp and Arrays Joaquim Martillo
1985-02-18 23:49 ` Thus spake the DoD M.Fischer
1985-03-14 20:50 ` Speed with numbers: PDP-10 Maclisp vs. Fortran (details) Stavros Macrakis
1985-03-15 15:42 ` Stanley Shebs
  -- strict thread matches above, loose matches on Subject: below --
1985-02-15 14:34 Thus spake the DoD Frederick J Dickey
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