From: Simon Wright <simon@pushface.org>
Subject: Re: This can't be done in Ada...or?
Date: 17 Feb 2005 21:52:45 +0000
Date: 2005-02-17T21:52:45+00:00 [thread overview]
Message-ID: <x7vis4q26s2.fsf@smaug.pushface.org> (raw)
In-Reply-To: wccpsz2djp5.fsf@shell01.TheWorld.com
Robert A Duff <bobduff@shell01.TheWorld.com> writes:
> This Reflection package has a bunch of string manipulation code,
> and if you instantiate it in a procedure, it will happen
> every time that procedure is called (unless the compiler
> is smarter than I think it is). This could indeed be very
> costly.
The output of
with Ada.Text_IO; use Ada.Text_IO;
with BC.Support.High_Resolution_Time;
with PragmaRC.Reflection;
procedure Refl is
use type BC.Support.High_Resolution_Time.Time;
Start, Finish : BC.Support.High_Resolution_Time.Time;
begin
Start := BC.Support.High_Resolution_Time.Clock;
declare
package R is new PragmaRC.Reflection;
begin
null;
end;
Finish := BC.Support.High_Resolution_Time.Clock;
Put_Line ("took " & Duration'Image (Finish - Start));
end Refl;
here (gnatmake -O2, gnat 5.02a1 i686-pc-linux-gnu) is
smaug.pushface.org[13]$ ./refl
Clock rate is 0.400914522 GHz
took 0.000023852
--
Simon Wright 100% Ada, no bugs.
next prev parent reply other threads:[~2005-02-17 21:52 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-11 16:33 This can't be done in Ada...or? Per Lindquist
2005-02-11 16:51 ` Duncan Sands
2005-02-12 19:55 ` Florian Weimer
2005-02-14 8:34 ` Per Lindquist
2005-02-14 8:17 ` Per Lindquist
2005-02-11 17:02 ` Jeff C
2005-02-11 18:27 ` Robert A Duff
2005-02-11 23:51 ` Ludovic Brenta
2005-02-11 23:52 ` Robert A Duff
2005-02-12 13:55 ` Duncan Sands
2005-02-12 14:58 ` Martin Krischik
2005-02-12 15:56 ` Martin Dowie
2005-02-12 19:02 ` Robert A Duff
2005-02-14 8:49 ` Per Lindquist
2005-02-11 17:08 ` Jerome Hugues
2005-02-14 9:05 ` Per Lindquist
2005-02-14 13:07 ` Georg Bauhaus
2005-02-12 1:10 ` Jeffrey Carter
2005-02-12 14:01 ` Duncan Sands
2005-02-13 0:27 ` Jeffrey Carter
2005-02-14 9:10 ` Per Lindquist
2005-02-15 0:40 ` Jeffrey Carter
2005-02-15 7:40 ` Per Lindquist
2005-02-15 8:39 ` OT: Google reply (Was: Re: This can't be done in Ada...or?) Adrien Plisson
2005-02-15 9:42 ` Per Lindquist
2005-02-15 8:27 ` This can't be done in Ada...or? Per Lindquist
2005-02-14 22:10 ` Manuel G. R.
2005-02-15 8:47 ` Mark Lorenzen
2005-02-15 9:09 ` Jacob Sparre Andersen
2005-02-15 9:31 ` Mark Lorenzen
2005-02-15 9:48 ` Jacob Sparre Andersen
2005-02-15 10:07 ` Mark Lorenzen
2005-02-15 10:15 ` Martin Dowie
2005-02-17 22:09 ` Randy Brukardt
2005-02-18 6:53 ` Martin Dowie
2005-02-15 13:46 ` Robert A Duff
2005-02-15 13:41 ` Robert A Duff
2005-02-15 16:30 ` Per Lindquist
2005-02-15 19:38 ` Martin Dowie
2005-02-15 20:20 ` Robert A Duff
2005-02-17 21:52 ` Simon Wright [this message]
2005-02-17 22:06 ` Randy Brukardt
2005-02-17 22:40 ` Mark Lorenzen
2005-02-16 0:04 ` Jeffrey Carter
2005-02-16 0:09 ` Jeffrey Carter
2005-02-17 9:47 ` Per Lindquist
2005-02-17 22:36 ` Randy Brukardt
2005-02-14 15:21 ` Peter Amey
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