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Re: [Discuss-gnuradio] max and argmax blocks with SIMD instructions


From: Chris Albertson
Subject: Re: [Discuss-gnuradio] max and argmax blocks with SIMD instructions
Date: Tue, 24 Apr 2007 15:25:56 -0700 (PDT)

Another example of how to do this in a portable way is
found in FFTW.
Since fftw is prerequisite software to gnuradio most of us
already have fftw on our computers.

FFTW supports SSE/SSE2/3dNow!/Altivec and uses which
ever is available and fastest.  



--- Gregory W Heckler <address@hidden> wrote:

> I have some C/C++ functions that utilize MMX and/or SSE available
> that 
> work on 16 bit signed integers. The URL is:
> 
> http://www.ngs.noaa.gov/gps-toolbox/Heckler.htm
> 
> They work particularly well for building a software correlator :).
> 
> 
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> 


Chris Albertson
  Home:   310-376-1029  address@hidden
  Office: 310-336-5189  address@hidden

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