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Groups > comp.lang.forth > #133843

Re: OOS approach revisited

From dxf <dxforth@gmail.com>
Newsgroups comp.lang.forth
Subject Re: OOS approach revisited
Date 2025-06-27 17:29 +1000
Organization i2pn2 (i2pn.org)
Message-ID <0087b3b084f8af01cf9fb29bf50c389a104e1ffa@i2pn2.org> (permalink)
References <fdbeb48de8ceb748d44c67dc3981a566@www.novabbs.com> <84d259e0f1d6210d84c7840af5d51f4ebdd71ed4@i2pn2.org> <c9158c200102c2e508f8ef11deecdc27@www.novabbs.com> <248abae6393c59470a015b195642e266@www.novabbs.com>

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On 27/06/2025 12:16 pm, minforth wrote:
> ... 
> IIRC DO..LOOPs had been a hack for computers in the 60s.
> A rather ugly hack, born out of necessity, slow and
> often cumbersome to use. That it still persists in Forth
> half a century later speaks for Forth's progressiveness.

Testing FOR NEXT on my DTC system showed 15% speed increase over
DO LOOP.  Putting 5 NOOPs (executes forth's address interpreter)
in the innermost loop brought it down to 6%.  Not worth it IMO.

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Thread

OOS approach revisited zbigniew2011@gmail.com (LIT) - 2025-06-23 05:09 +0000
  Re: OOS approach revisited dxf <dxforth@gmail.com> - 2025-06-24 23:28 +1000
    Re: OOS approach revisited zbigniew2011@gmail.com (LIT) - 2025-06-26 17:27 +0000
      Re: OOS approach revisited minforth@gmx.net (minforth) - 2025-06-27 02:16 +0000
        Re: OOS approach revisited dxf <dxforth@gmail.com> - 2025-06-27 17:29 +1000
          Re: OOS approach revisited minforth <minforth@gmx.net> - 2025-06-27 11:49 +0200
            Re: OOS approach revisited zbigniew2011@gmail.com (LIT) - 2025-06-27 16:55 +0000
              Re: OOS approach revisited albert@spenarnc.xs4all.nl - 2025-06-27 20:15 +0200
                Re: OOS approach revisited minforth <minforth@gmx.net> - 2025-06-27 22:35 +0200
                Re: OOS approach revisited albert@spenarnc.xs4all.nl - 2025-06-28 11:34 +0200
                Re: OOS approach revisited Stephen Pelc <stephen@vfxforth.com> - 2025-06-28 09:37 +0000
              Re: OOS approach revisited dxf <dxforth@gmail.com> - 2025-06-28 12:03 +1000
            LOOP (was: OOS approach revisited) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-06-28 10:23 +0000
              Re: LOOP (was: OOS approach revisited) albert@spenarnc.xs4all.nl - 2025-06-28 14:26 +0200
              Re: LOOP dxf <dxforth@gmail.com> - 2025-06-28 22:41 +1000
                Re: LOOP sean@conman.org - 2025-06-28 20:04 +0000
                Re: LOOP anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-06-28 21:01 +0000
                Re: LOOP minforth@gmx.net (minforth) - 2025-07-03 19:33 +0000
                Re: LOOP Gerry Jackson <do-not-use@swldwa.uk> - 2025-07-07 07:54 +0100
                Re: LOOP minforth <minforth@gmx.net> - 2025-07-07 10:46 +0200
                Re: LOOP dxf <dxforth@gmail.com> - 2025-06-29 13:04 +1000
              Re: LOOP (was: OOS approach revisited) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-06-28 16:04 +0000
        DO..LOOP and stack shuffling (was: OOS approach revisited) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-06-28 17:46 +0000
          Re: DO..LOOP and stack shuffling Hans Bezemer <the.beez.speaks@gmail.com> - 2025-07-01 13:53 +0200
            Re: DO..LOOP and stack shuffling dxf <dxforth@gmail.com> - 2025-07-03 13:59 +1000
            Re: DO..LOOP and stack shuffling anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-07-03 07:50 +0000
        Re: OOS approach revisited Hans Bezemer <the.beez.speaks@gmail.com> - 2025-06-30 15:43 +0200
      Re: OOS approach revisited dxf <dxforth@gmail.com> - 2025-06-27 13:39 +1000

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