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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: gnat on debian arm
Date: Tue, 13 Mar 2012 13:04:49 -0500
Organization: Jacob Sparre Andersen Research & Innovation
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Date: 2012-03-13T13:04:49-05:00
List-Id: <comp.lang.ada>

"Georg Bauhaus" <rm.dash-bauhaus@futureapps.de> wrote in message 
news:4f5f778c$0$6555$9b4e6d93@newsspool4.arcor-online.net...
> On 13.03.12 15:13, Ludovic Brenta wrote:
>> Note that if you're going to
>> program in Ada on such a machine, you might find that 256 MiB
>> of RAM is very limited. You probably don't want gnat-gps or emacs
>> as your IDE on such a machine.
>>
>
> I had thought that 256 MiB is plenty of RAM for editing text
> and running a compiler.  Editing without a "GUI" using a capable
> text editor, including Emacs, should well be possible.
>
> 256 MiB is about the amount of RAM that were supposedly necessary
> to _translate_ a compiler for some O-O language in the early 1990s.
> But I am sure I was happily running Editors, including Emacs,
> in a lot less than that. In fact, I didn't know anyone who had
> access to a computer with such an amount of RAM.
>
> Running OS/2 on a PCs equipped with that "limited" amount of RAM
> went rather smoothly, or is my memory blurred?

I think your memory of memory is fine. :-) The original version of Janus/Ada 
worked fine on a 48K Z-80 machine (just a subset of Ada, though).

The first validated (Ada 83) version was for original 640K IBM PCs. Even 
today, the memory footprint of Janus/Ada never exceeds 16Mb.

Claw programs are "huge" by our standards, but they too tend to have a 
footprint in the 16Mb range. So 256MB would be plenty for program 
development (depending on the OS size; we might only use 32MB but Windows of 
course uses a heck of a lot more).

                                          Randy.