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Re: The container abstraction and parallel programming

From jacob navia <jacob@spamsink.net>
Newsgroups comp.lang.c
Subject Re: The container abstraction and parallel programming
Date 2012-01-08 18:42 +0100
Organization lccwin
Message-ID <jeckhs$5v9$1@speranza.aioe.org> (permalink)
References (1 earlier) <9mpj60Fdr5U5@mid.individual.net> <je8vto$bi6$1@speranza.aioe.org> <je9hu7$he1$2@dont-email.me> <56e3edc7-e41c-46d5-a263-54c676a7cbb0@o14g2000vbo.googlegroups.com> <jeck88$53j$1@dont-email.me>

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Le 08/01/12 18:37, Stephen Sprunk a écrit :
>
> Right.  Unfortunately, GCC seems to only recognize "commonsense idioms"
> and misses opportunities to vectorize code that doesn't fit those
> idioms, even when doing so would be provably safe.  So, you have to know
> what idioms it understands and modify your code to comply; that is not
> ideal, but it's hardly a new concept--and presumably the set of idioms
> will expand over time as folks complain or contribute patches.
>
> I have no idea if ICC (or MSVC?) has the same limitation.

Not the same but SIMILAR limitations. Then, for each compiler:
do {
	learnLimitations();
	ModifyCode();
} while (ItsnotInStandardC());

:-)

That is the reason for my proposal. There is no standard way of doing 
SIMD even if most modern CPUs have SIMD extensions.

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Thread

The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-07 00:02 +0100
  Re: The container abstraction and parallel programming blp@cs.stanford.edu (Ben Pfaff) - 2012-01-06 15:08 -0800
    Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-07 00:27 +0100
      Re: The container abstraction and parallel programming blp@cs.stanford.edu (Ben Pfaff) - 2012-01-06 15:30 -0800
        Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-07 00:41 +0100
  Re: The container abstraction and parallel programming Kaz Kylheku <kaz@kylheku.com> - 2012-01-07 00:04 +0000
    Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-07 09:06 +0100
    Re: The container abstraction and parallel programming Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-01-08 03:42 -0800
  Re: The container abstraction and parallel programming Ian Collins <ian-news@hotmail.com> - 2012-01-07 13:50 +1300
    Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-07 09:31 +0100
      Re: The container abstraction and parallel programming Ian Collins <ian-news@hotmail.com> - 2012-01-07 22:03 +1300
      Re: The container abstraction and parallel programming Stephen Sprunk <stephen@sprunk.org> - 2012-01-07 07:39 -0600
        Re: The container abstraction and parallel programming Gene <gene.ressler@gmail.com> - 2012-01-07 09:27 -0800
          Re: The container abstraction and parallel programming Stephen Sprunk <stephen@sprunk.org> - 2012-01-08 11:37 -0600
            Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-08 18:42 +0100
        Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-08 11:48 +0100
          Re: The container abstraction and parallel programming ec429 <ec429@cam.ac.uk> - 2012-01-08 11:16 +0000
          Re: The container abstraction and parallel programming Stephen Sprunk <stephen@sprunk.org> - 2012-01-08 11:52 -0600
            Re: The container abstraction and parallel programming Keith Thompson <kst-u@mib.org> - 2012-01-08 14:17 -0800
              Re: The container abstraction and parallel programming pete <pfiland@mindspring.com> - 2012-01-08 22:08 -0500
              Re: The container abstraction and parallel programming Stephen Sprunk <stephen@sprunk.org> - 2012-01-09 11:07 -0600
                Re: The container abstraction and parallel programming Keith Thompson <kst-u@mib.org> - 2012-01-09 14:55 -0800
            Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-09 00:22 +0100
          Re: The container abstraction and parallel programming Nobody <nobody@nowhere.com> - 2012-01-09 14:19 +0000
            Re: The container abstraction and parallel programming Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-09 16:40 +0000
            Re: The container abstraction and parallel programming Kaz Kylheku <kaz@kylheku.com> - 2012-01-09 17:53 +0000
            Re: The container abstraction and parallel programming Gene <gene.ressler@gmail.com> - 2012-01-10 16:58 -0800
  Re: The container abstraction and parallel programming Robert Wessel <robertwessel2@yahoo.com> - 2012-01-07 01:28 -0600
  Re: The container abstraction and parallel programming Jens Gustedt <jens.gustedt@loria.fr> - 2012-01-07 09:39 +0100
    Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-07 09:54 +0100
      Re: The container abstraction and parallel programming Jens Gustedt <jens.gustedt@loria.fr> - 2012-01-07 11:36 +0100
  Re: The container abstraction and parallel programming Gareth Owen <gwowen@gmail.com> - 2012-01-08 08:08 +0000
    Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-08 11:41 +0100
      Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-08 11:53 +0100
      Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-08 11:59 +0100
      Re: The container abstraction and parallel programming ec429 <ec429@cam.ac.uk> - 2012-01-08 11:05 +0000
        Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-08 12:29 +0100
          Re: The container abstraction and parallel programming ec429 <ec429@cam.ac.uk> - 2012-01-08 13:35 +0000
      Re: The container abstraction and parallel programming gwowen <gwowen@gmail.com> - 2012-01-09 01:09 -0800
      Re: The container abstraction and parallel programming Tim Rentsch <txr@alumni.caltech.edu> - 2012-01-26 09:23 -0800
        Re: The container abstraction and parallel programming jacob navia <jacob@spamsink.net> - 2012-01-26 23:41 +0100
          Re: The container abstraction and parallel programming Tim Rentsch <txr@alumni.caltech.edu> - 2012-03-07 16:18 -0800

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