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From: Florian Weimer <fw@deneb.cygnus.argh.org>
Subject: Re: Large strings in ADA
Date: 2000/04/17
Message-ID: <877ldxxo5b.fsf@deneb.cygnus.argh.org>#1/1
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Date: 2000-04-17T06:00:32+00:00
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Johan Groth <jgroth@xpress.se> writes:

>    for I in 1 .. 1600 loop
>       Append_To_Msg(Str.Info, Basic_Natural(Str.Len), Msg, Last);
>       if (I mod 100) = 0 then
>          Put(" " & Integer'Image(I));
>       end if;
>    end loop;

For example, the GNAT implementation of Unbounded_String, results in
four allocator calls and copy operations per iteration, and this is
expensive.  Perhaps you should switch to a different string-like type
which preallocates storage.