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Re: Google CodeJam?

From anton@mips.complang.tuwien.ac.at (Anton Ertl)
Newsgroups comp.lang.forth
Subject Re: Google CodeJam?
Date 2012-04-26 16:30 +0000
Organization Institut fuer Computersprachen, Technische Universitaet Wien
Message-ID <2012Apr26.183026@mips.complang.tuwien.ac.at> (permalink)
References (4 earlier) <461449ac-6b55-4648-b636-8b7964967e27@n22g2000yqb.googlegroups.com> <1kj22xd.pbrm6ei00igrN%awegel@arcor.de> <76df3027-182d-4095-9a0b-6944ce745ac8@u7g2000yqc.googlegroups.com> <2012Apr25.153938@mips.complang.tuwien.ac.at> <8feb1ad3-d808-439f-9c1b-48afd64c83fd@v22g2000yqm.googlegroups.com>

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Hugh Aguilar <hughaguilar96@yahoo.com> writes:
>On Apr 25, 7:39=A0am, an...@mips.complang.tuwien.ac.at (Anton Ertl)
>wrote:
>> Hugh Aguilar <hughaguila...@yahoo.com> writes:
>> >When I run alien.4th under Gforth, Gforth aborts with this message:
>> >gforth: ./main.c.1188 optimize_bb: Assertion `ninsts<128' failed
>>
>> That's a limitation in Gforth 0.6.*. =A0Gforth 0.7.* does not have that
>> limitation. =A0BTW, this means that your program has a sequence of 128
>> primitives without intervening control flow (no call to a colon
>> definition or somesuch).
...
>What possible purpose could there be in limiting the length of the
>functions? That seems like an arbitrary and contrived limitation.

This limitation makes the storage management of optimal selection of
static superinstructions and static stack caching easier.  IIRC it's
still there, but now it just breaks too-long basic blocks into parts
that are 128 primitives in length.

- 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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Google CodeJam? Ian Osgood <iano@quirkster.com> - 2012-04-11 16:23 -0700
  Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-12 00:43 -0700
    Re: Google CodeJam? hughaguilar96@yahoo.com - 2012-04-21 15:13 -0700
      Re: Google CodeJam? Bernd Paysan <bernd.paysan@gmx.de> - 2012-04-22 02:19 +0200
      Re: Google CodeJam? "WJ" <w_a_x_man@yahoo.com> - 2012-04-22 04:03 +0000
        Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-22 23:08 -0700
        Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-22 23:17 -0700
          Re: Google CodeJam? "WJ" <w_a_x_man@yahoo.com> - 2012-04-23 19:27 +0000
            Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-23 22:08 -0700
              Re: Google CodeJam? "WJ" <w_a_x_man@yahoo.com> - 2012-04-24 08:30 +0000
                Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-24 23:00 -0700
                Re: Google CodeJam? "WJ" <w_a_x_man@yahoo.com> - 2012-04-26 09:19 +0000
                Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-26 03:17 -0700
                Re: Google CodeJam? vandys@vsta.org - 2012-04-26 16:45 +0000
                Re: Google CodeJam? Paul Rubin <no.email@nospam.invalid> - 2012-04-26 10:47 -0700
                Re: Google CodeJam? Paul Rubin <no.email@nospam.invalid> - 2012-04-27 02:26 -0700
                Re: Google CodeJam? vandys@vsta.org - 2012-04-27 16:37 +0000
                Re: Google CodeJam? Paul Rubin <no.email@nospam.invalid> - 2012-04-27 10:17 -0700
                Re: Google CodeJam? vandys@vsta.org - 2012-04-27 18:15 +0000
            Re: Google CodeJam? Rugxulo <rugxulo@gmail.com> - 2012-04-26 16:00 -0700
      Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-22 12:12 +0200
        Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-22 14:11 +0200
          Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-22 14:17 +0200
            Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-25 14:25 +0200
        Re: Google CodeJam? mhx@iae.nl (Marcel Hendrix) - 2012-04-22 18:23 +0200
          Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-22 22:24 +0200
            Re: Google CodeJam? mhx@iae.nl (Marcel Hendrix) - 2012-04-23 20:59 +0200
              Re: Google CodeJam? Paul Rubin <no.email@nospam.invalid> - 2012-04-23 13:56 -0700
        Re: Google CodeJam? mhx@iae.nl (Marcel Hendrix) - 2012-04-22 18:29 +0200
          Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-22 21:36 +0200
        Re: Google CodeJam? Bernd Paysan <bernd.paysan@gmx.de> - 2012-04-22 23:08 +0200
          Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-22 23:06 -0700
          Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-23 23:19 +0200
            Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-23 22:35 -0700
              Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-25 01:59 +0200
                Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-24 22:16 -0700
                Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-25 14:25 +0200
                Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-25 11:58 -0700
                Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-26 00:23 +0200
                Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-25 11:58 -0700
                Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-26 00:23 +0200
                Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-25 11:58 -0700
                Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-26 00:23 +0200
                Re: Google CodeJam? Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-04-26 12:36 +0000
                Re: Google CodeJam? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-25 13:39 +0000
                Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-04-25 10:05 -0700
                Re: Google CodeJam? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-26 16:30 +0000
                Re: Google CodeJam? Bernd Paysan <bernd.paysan@gmx.de> - 2012-04-27 15:21 +0200
            Re: Google CodeJam? Paul Rubin <no.email@nospam.invalid> - 2012-04-24 00:51 -0700
              Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-25 01:59 +0200
        Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-25 01:59 +0200
          Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-27 14:15 +0200
            Re: Google CodeJam? hughaguilar96@yahoo.com - 2012-04-30 23:54 -0700
              Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-05-02 01:44 +0200
                Re: Google CodeJam? Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-05-01 20:45 -0700
                Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-05-02 23:38 +0200
      Re: Google CodeJam? Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2012-04-24 12:50 +0100
        Re: Google CodeJam? Paul Rubin <no.email@nospam.invalid> - 2012-04-24 08:22 -0700
        Re: Google CodeJam? mhx@iae.nl (Marcel Hendrix) - 2012-04-24 22:28 +0200
          Re: Google CodeJam? Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2012-04-25 09:50 +0100
        Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-25 01:59 +0200
          Re: Google CodeJam? Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2012-04-25 09:49 +0100
  Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-04-27 18:28 +0200
    Re: Google CodeJam? Bruno Gauthier <bgauthier@free.fr> - 2012-05-01 17:59 +0200
      Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-05-01 19:12 +0200
        Re: Google CodeJam? Bruno Gauthier <bgauthier@free.fr> - 2012-05-01 20:39 +0200
        Re: Google CodeJam? mhx@iae.nl - 2012-05-01 16:00 -0700
          Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-05-02 02:29 +0200
        Re: Google CodeJam? Paul Rubin <no.email@nospam.invalid> - 2012-05-01 19:18 -0700
          Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-05-02 05:14 +0200
      Re: Google CodeJam? awegel@arcor.de (Alex Wegel) - 2012-05-02 01:44 +0200

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