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Re: Adding thousands separators

From anton@mips.complang.tuwien.ac.at (Anton Ertl)
Newsgroups comp.lang.forth
Subject Re: Adding thousands separators
Date 2012-03-03 12:30 +0000
Organization Institut fuer Computersprachen, Technische Universitaet Wien
Message-ID <2012Mar3.133023@mips.complang.tuwien.ac.at> (permalink)
References <jhao81$cjj$1@news-01.bur.connect.com.au> <c00cddcd-5a7e-46c3-b107-d5fa7cf8d7af@j8g2000yqm.googlegroups.com> <be715108-58e0-4ea8-a7e7-71ebfc9bfb55@l1g2000vbc.googlegroups.com> <m0b2km.hm2@spenarnc.xs4all.nl> <7xaa3y2at9.fsf@ruckus.brouhaha.com>

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Paul Rubin <no.email@nospam.invalid> writes:
>2) If you program in a style that uses closures a lot, burning through
>4G won't take very long anyway. 

You might be surprised.  The S/K/ID paper [belinfante87] does
something like closures, but with combinators, and did not
garbage-collect unreachable combinators.  I played around with it on a
C64, where I had maybe 30KB of free memory after the Forth system was
loaded.  I expected to run out of memory very fast and was surprised
how far I got before that happened.

In a similar vein, the Gray parser generator generates sets in memory,
some of which are not needed later; I did not try to reclaim the
memory they use, but I measured the amount of memory used for sets for
a relativly large grammar (the Oberon grammar).  The amount of space
used was 5719 bytes, and only a part of that was not needed.  Trying
to reclaim the memory would have probably cost more memory than it
would have reclaimed.

@string(jfar="Journal of Forth Application and Research")
@Article{belinfante87,
  author = 	 "Johan G.F. Belinfante",
  title = 	 "S/K/ID: Combinators in Forth",
  journal =	 jfar,
  year =	 "1987",
  volume =	 "4",
  number =	 "4",
  pages =	 "555--580"
}

- anton
-- 
M. Anton Ertl  http://www.complang.tuwien.ac.at/anton/home.html
comp.lang.forth FAQs: http://www.complang.tuwien.ac.at/forth/faq/toc.html
     New standard: http://www.forth200x.org/forth200x.html
   EuroForth 2011: http://www.euroforth.org/ef11/

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Adding thousands separators "Ed" <nospam@invalid.com> - 2012-02-13 21:24 +1100
  Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-02-13 13:05 -0800
    Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-02-16 10:19 +1100
  Re: Adding thousands separators Hans Bezemer <the.beez.speaks@gmail.com> - 2012-02-15 08:48 +0100
    Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-02-23 22:46 -0800
      Re: Adding thousands separators "A. K." <akk@nospam.org> - 2012-02-24 08:07 +0100
      Re: Adding thousands separators Hans Bezemer <the.beez.speaks@gmail.com> - 2012-02-24 15:00 +0100
        Re: Adding thousands separators "Elizabeth D. Rather" <erather@forth.com> - 2012-02-24 08:29 -1000
          Re: Adding thousands separators Hans Bezemer <the.beez.speaks@gmail.com> - 2012-02-25 00:11 +0100
        Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-02-27 23:28 -0800
          Re: Adding thousands separators Alex McDonald <blog@rivadpm.com> - 2012-02-28 01:37 -0800
            Re: Adding thousands separators Ron Aaron <rambamist@gmail.com> - 2012-02-28 15:06 +0200
          Re: Adding thousands separators Hans Bezemer <the.beez.speaks@gmail.com> - 2012-02-29 09:29 +0100
            Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-02-29 03:00 -0600
              Re: Adding thousands separators The Beez <the.beez.speaks@gmail.com> - 2012-02-29 03:44 -0800
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-02-29 11:19 -0600
            Re: Adding thousands separators hughaguilar96@yahoo.com - 2012-02-29 22:48 -0800
              Re: Adding thousands separators Hans Bezemer <the.beez.speaks@gmail.com> - 2012-03-01 08:38 +0100
                Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-03-01 00:57 -0800
                Re: Adding thousands separators Hans Bezemer <the.beez.speaks@gmail.com> - 2012-03-01 18:23 +0100
                Re: Adding thousands separators John Passaniti <john.passaniti@gmail.com> - 2012-03-01 17:22 -0800
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-03-01 18:00 -0800
                Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-03-01 22:14 -0800
                Re: Adding thousands separators John Passaniti <john.passaniti@gmail.com> - 2012-03-02 06:58 -0800
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-03-02 11:07 -0800
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-03-02 13:13 -0600
                Re: Adding thousands separators John Passaniti <john.passaniti@gmail.com> - 2012-03-02 11:25 -0800
                Re: Adding thousands separators Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-03 11:00 +0000
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-03-03 03:17 -0800
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-03-03 12:30 +0000
                Re: Adding thousands separators John Passaniti <john.passaniti@gmail.com> - 2012-03-03 11:39 -0800
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-03-06 16:31 -0800
                Re: Adding thousands separators mhx@iae.nl (Marcel Hendrix) - 2012-03-03 15:52 +0200
                Re: Adding thousands separators Coos Haak <chforth@hccnet.nl> - 2012-03-03 16:23 +0100
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-03-03 10:19 -0800
                Re: Adding thousands separators John Passaniti <john.passaniti@gmail.com> - 2012-03-03 12:35 -0800
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-03-03 11:02 -0600
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-03-03 17:25 +0000
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-03-03 10:14 -0800
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-03-03 14:14 -0600
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-03-03 14:52 -0800
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-03-04 03:39 -0600
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-03-04 15:02 +0000
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-03-03 14:11 -0600
                Re: Adding thousands separators Bernd Paysan <bernd.paysan@gmx.de> - 2012-03-03 23:49 +0100
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-03-03 15:50 -0800
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-03-04 15:38 +0000
                Re: Adding thousands separators Bernd Paysan <bernd.paysan@gmx.de> - 2012-03-04 18:08 +0100
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-03-04 11:20 -0600
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-03-04 17:45 +0000
                Re: Adding thousands separators Bernd Paysan <bernd.paysan@gmx.de> - 2012-03-04 23:50 +0100
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-03-05 14:39 +0000
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-03-06 13:01 -0800
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-03-12 16:05 +0000
                Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-03-03 15:45 -0800
                Re: Adding thousands separators John Passaniti <john.passaniti@gmail.com> - 2012-03-03 17:56 -0800
                Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-03-05 15:41 -0800
                Re: Adding thousands separators John Passaniti <john.passaniti@gmail.com> - 2012-03-06 11:27 -0800
                Re: Adding thousands separators John Passaniti <john.passaniti@gmail.com> - 2012-03-03 11:01 -0800
                Re: Adding thousands separators John Passaniti <john.passaniti@gmail.com> - 2012-03-02 05:53 -0800
                Re: Adding thousands separators Bernd Paysan <bernd.paysan@gmx.de> - 2012-03-03 01:49 +0100
      Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-02-29 17:20 +1100
        Re: Adding thousands separators "A. K." <akk@nospam.org> - 2012-02-29 07:51 +0100
        Re: Adding thousands separators hughaguilar96@yahoo.com - 2012-02-29 21:26 -0800
          Re: Adding thousands separators "WJ" <w_a_x_man@yahoo.com> - 2012-03-03 03:45 +0000
          Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-03-04 20:49 +1100
            Re: Adding thousands separators Hans Bezemer <the.beez.speaks@gmail.com> - 2012-03-04 15:16 +0100
              Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-03-06 15:06 +1100
                Re: Adding thousands separators Hans Bezemer <the.beez.speaks@gmail.com> - 2012-03-06 08:32 +0100
            Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-03-05 15:06 -0800
              Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-03-06 15:03 +1100
              Re: Adding thousands separators hwfwguy@gmail.com - 2012-03-06 20:29 -0800
                Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-03-06 23:18 -0800
                Re: Adding thousands separators John Passaniti <john.passaniti@gmail.com> - 2012-03-07 06:07 -0800
                Re: Adding thousands separators hwfwguy@gmail.com - 2012-03-07 06:36 -0800
                Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-03-07 16:19 -0800
                Re: Adding thousands separators Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-08 10:51 +0000
  Re: Adding thousands separators Doug Hoffman <glidedog@gmail.com> - 2012-02-15 20:18 -0500
    Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-02-17 12:29 +1100
      Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-17 09:42 -0800
        Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-02-20 15:24 +0000
          Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-20 20:41 -0800
            Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-02-21 16:46 +0000
              Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-02-21 12:23 -0600
                Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-21 11:32 -0800
                Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-02-22 12:46 +1100
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-02-22 10:08 +0000
                Re: Adding thousands separators "Elizabeth D. Rather" <erather@forth.com> - 2012-02-22 08:51 -1000
                Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-22 14:28 -0800
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-02-23 13:13 +0000
                Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-02-24 14:32 +1100
                Re: Adding thousands separators "Elizabeth D. Rather" <erather@forth.com> - 2012-02-23 19:53 -1000
                Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-03-03 12:47 +1100
                Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-03-02 22:26 -0800
                Re: Adding thousands separators Jan Coombs <jan_2011-02@murray-microft.co.uk> - 2012-03-03 14:32 +0000
                Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-03-04 21:31 +1100
                Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-03-04 10:07 -0800
                Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-03-06 15:31 +1100
                Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-03-05 22:26 -0800
                Re: Adding thousands separators Josh Grams <josh@qualdan.com> - 2012-03-06 12:32 +0000
                Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-24 05:04 -0800
                Re: Adding thousands separators "Elizabeth D. Rather" <erather@forth.com> - 2012-02-24 08:30 -1000
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-02-22 04:28 -0600
                Re: Adding thousands separators stephenXXX@mpeforth.com (Stephen Pelc) - 2012-02-22 14:59 +0000
                Re: Adding thousands separators stephenXXX@mpeforth.com (Stephen Pelc) - 2012-02-22 18:05 +0000
                Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-22 07:49 -0800
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-02-22 12:46 -0800
                Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-22 18:24 -0800
                Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-02-24 13:23 +1100
              Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-21 11:29 -0800
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-02-22 09:56 +0000
                Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-22 07:37 -0800
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-02-22 10:30 -0600
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-02-22 16:24 +0000
                Re: Adding thousands separators Brad <hwfwguy@gmail.com> - 2012-02-23 07:44 -0800
                Re: Adding thousands separators Bernd Paysan <bernd.paysan@gmx.de> - 2012-02-23 17:54 +0100
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-02-23 16:51 +0000
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-02-23 11:49 -0600
                Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-02-23 13:26 -0800
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-02-23 15:58 -0600
                Re: Adding thousands separators Bernd Paysan <bernd.paysan@gmx.de> - 2012-02-26 02:25 +0100
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-02-26 03:24 -0600
                Re: Adding thousands separators anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-02-26 13:40 +0000
                Re: Adding thousands separators Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-02-26 11:06 -0600
                Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-23 15:02 -0800
  Re: Adding thousands separators Doug Hoffman <glidedog@gmail.com> - 2012-02-16 13:21 -0500
  Re: Adding thousands separators Paul Rubin <no.email@nospam.invalid> - 2012-02-16 20:44 -0800
    Re: Adding thousands separators Coos Haak <chforth@hccnet.nl> - 2012-02-17 21:32 +0100
  Re: Adding thousands separators "A. K." <akk@nospam.org> - 2012-02-17 22:41 +0100
    Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-17 18:52 -0800
      Re: Adding thousands separators "A. K." <akk@nospam.org> - 2012-02-18 10:39 +0100
        Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-02-18 21:22 +1100
          Re: Adding thousands separators "A. K." <akk@nospam.org> - 2012-02-18 13:12 +0100
            Re: Adding thousands separators "Peter Knaggs" <pjk@bcs.org.uk> - 2012-02-18 16:30 +0000
              Re: Adding thousands separators Jan Coombs <jan_2011-02@murray-microft.co.uk> - 2012-02-18 17:08 +0000
              Re: Adding thousands separators BruceMcF <agila61@netscape.net> - 2012-02-18 14:46 -0800
            Re: Adding thousands separators "Ed" <nospam@invalid.com> - 2012-03-04 20:47 +1100
  Re: Adding thousands separators Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-02-28 17:03 -0800
  Re: Adding thousands separators "WJ" <w_a_x_man@yahoo.com> - 2012-03-01 18:13 +0000
    Re: Adding thousands separators Alex McDonald <blog@rivadpm.com> - 2012-03-01 12:46 -0800
  Re: Adding thousands separators "WJ" <w_a_x_man@yahoo.com> - 2012-03-01 18:52 +0000

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