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Re: Scalar and Vector Product Code

From jimp@specsol.spam.sux.com
Newsgroups sci.physics
Subject Re: Scalar and Vector Product Code
Date 2015-11-12 20:40 +0000
Organization A noiseless patient Spider
Message-ID <a2afhc-a93.ln1@mail.specsol.com> (permalink)
References <pan.2015.11.12.20.30.07@localhost.localdomain>

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Fabian Russell <root@localhost.localdomain> wrote:
> Greetings physics enthusiasts,
> 
> The scalar and vector products are fundamental operations
> in physics and every physicist worth his salt should know
> how to fully implement them.
> 
> Your task is to write assembly language code using the 
> Intel x64 SIMD instruction set to calculate both the scalar
> and vector products.
> 
> Now, in the latest Core 2 processors, Intel has already
> introduced an actual instruction for the scalar product,
> but write one anyway using independent SSE or AVX code.
> 
> Also, in addition to assembly code using SIMD, write the
> same routines in 387 instructions to exploit extended
> precision.
> 
> All those who cannot accomplish this task should consider
> themselves pathetic throwbacks to ancient times.
 
Anyone who thinks that in 2015 one has to program in assembly rather
trivial algorithms that are present in most math libraries today
is a pathetic throwback to ancient times.

Such optimized functions have been available in FORTRAN libraries
for at least 40 years.



-- 
Jim Pennino

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Thread

Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-12 20:30 +0000
  Re: Scalar and Vector Product Code jimp@specsol.spam.sux.com - 2015-11-12 20:40 +0000
    Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-12 21:03 +0000
      Re: Scalar and Vector Product Code Sam Wormley <swormley1@gmail.com> - 2015-11-12 15:58 -0600
        Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-12 22:34 +0000
      Re: Scalar and Vector Product Code jimp@specsol.spam.sux.com - 2015-11-12 21:54 +0000
        Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-12 22:31 +0000
          Re: Scalar and Vector Product Code jimp@specsol.spam.sux.com - 2015-11-12 23:08 +0000
            Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-12 23:27 +0000
  Re: Scalar and Vector Product Code Poutnik <poutnik4nntp@gmail.com> - 2015-11-12 21:55 +0100
    Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-12 21:07 +0000
      Re: Scalar and Vector Product Code jimp@specsol.spam.sux.com - 2015-11-12 21:59 +0000
        Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-12 22:36 +0000
        Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-12 22:53 +0000
          Re: Scalar and Vector Product Code jimp@specsol.spam.sux.com - 2015-11-12 23:17 +0000
            Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-12 23:47 +0000
              Re: Scalar and Vector Product Code jimp@specsol.spam.sux.com - 2015-11-13 00:21 +0000
                Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-13 00:46 +0000
                Re: Scalar and Vector Product Code jimp@specsol.spam.sux.com - 2015-11-13 01:04 +0000
                Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-13 01:39 +0000
    dot product noTthaTguY <abu.kuanysh05@gmail.com> - 2015-11-13 13:41 -0800
  Re: Scalar and Vector Product Code Double-A <double-a3@hush.com> - 2015-11-12 15:01 -0800
    Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-12 23:36 +0000
  Re: Scalar and Vector Product Code gilber34 <fafa@invalid.com> - 2015-11-12 19:07 -0600
    Re: Scalar and Vector Product Code Fabian Russell <root@localhost.localdomain> - 2015-11-13 01:51 +0000
      Re: Scalar and Vector Product Code jimp@specsol.spam.sux.com - 2015-11-13 02:11 +0000

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