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Re: [Sc-devel] [commit?] StereoConvolution2L

On Wednesday 05 December 2007, nescivi wrote:

> > Hmm, doesn't BruteFIR just do partitioned convolution in the frequency
> > domain?
> no, it does something clever with reordering the coefficients, so you have
> less memory accesses within one period. Memory access is the bottle neck in
> convolution..


Ok, makes sense :) I used libDSP once for the complex-multiply-and-add [it had 
support for SIMD loops of different kinds an for different SIMD instruction 
sets). It was quite an improvement, too, over my naive C implementation.


Palimm Palimm!