Re: [LAD] vectorization

On Wed, Apr 16, 2008 at 04:46:10PM +0200, Jens M Andreasen wrote:
> Benchmarking mixdown (no coeff):
> pure C++ : 100 ms
> ASM SSE : 140 ms
> GCC vector extensions : 120 ms
>
> Benchmarking mixdown (WITH coeff):
> pure C++ : 120 ms
> ASM SSE : 150 ms
> GCC vector extensions : 170 ms
>
> One more time for those who missed it the first time, this time
> commenting out everything but 'pure cpp w coff':
>
> Benchmarking mixdown (WITH coeff):
> pure C++ : 120 ms <-- bloody murder!

hmm.. perhaps i should upgrade my gcc...

on the vector extension:

you should not use it. use xmmintrin.h which even exists on MSVC to
make code compatible... however altivec is not supported then.

>
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-- 
torben Hohn
http://galan.sourceforge.net -- The graphical Audio language
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