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Re: The container abstraction and parallel programming

From blp@cs.stanford.edu (Ben Pfaff)
Newsgroups comp.lang.c
Subject Re: The container abstraction and parallel programming
Date 2012-01-06 15:30 -0800
Message-ID <87hb08qui0.fsf@blp.benpfaff.org> (permalink)
References <je7uhf$hjj$1@speranza.aioe.org> <87lipkqvj4.fsf@blp.benpfaff.org> <je800n$kht$1@speranza.aioe.org>

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jacob navia <jacob@spamsink.net> writes:

> Le 07/01/12 00:08, Ben Pfaff a écrit :
>> jacob navia<jacob@spamsink.net>  writes:
>>
>>> Today, more than 10 years tafter Intel introduced the first SIMD
>>> instructions it is still not possible to use those instructions to do
>>> SIMD programming when you use C and two mainstream compilers like gcc
>>> or MSVC.
>>>
>>>  From the C side there is absolutely no support for this type of
>>> programming, even though plain arrays could do the trick obviously.
>>
>> "absolutely no support"?  You exaggerate:
>> http://gcc.gnu.org/onlinedocs/gcc-4.6.2/gcc/X86-Built_002din-Functions.html#X86-Built_002din-Functions
>
> Look, those functions exist of curse but that is not standard C, those
> functions have no links to the rest  of the language.

If that's your purpose then I don't know why you started out by
saying that you can't do it with "mainstream compilers like GCC".
-- 
int main(void){char p[]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.\
 \n",*q="kl BIcNBFr.NKEzjwCIxNJC";int i=sizeof p/2;char *strchr();int putchar(\
);while(*q){i+=strchr(p,*q++)-p;if(i>=(int)sizeof p)i-=sizeof p-1;putchar(p[i]\
);}return 0;}

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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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