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From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: Code size of Ada ? was Re: Ada95 Strengths/Weaknesses.
Date: 1999/09/29
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Date: 1999-09-29T00:00:00+00:00
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In article <37F0D03C.DE4807D4@icn.siemens.de>,
  Alfred Hilscher <Alfred.Hilscher@icn.siemens.de> wrote:
> What switches are
> needed to generate the smallest possible code ?
>
> Regards,
> Alfred


Well obviously you strip a module to reduce debug symbol size,
and you go to dynamic linking of the GNAT library, but really
the size of small programs is a rather insignificant issue
these days when 100K of disk space costs 0.1 cents.

The size of large programs is a concern, but measuring the
size of hello world programs has nothing at all to do with
the size of real programs, since what you are really
concentrating on here is the default size of the minimal
run-time library.

This can be important in e.g. safety critical embedded
applications, where the appropriate approach is to use the
No_Run_Time facility of GNAT (GNORT) to eliminate the run
time entirely.

Note that the original note here worried about performance,
which is of course a completely different issue, and it was
really that issue which I was addressing, I simply can't
get to excited about saving hundredths of cents worth of
disk for the image of a hello world program :-)

Robert Dewar
Ada Core Technologies


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