[FFmpeg-devel] [PATCH 04/12] Add vector_fmul_matrix to dsputil

Måns Rullgård mans
Wed Oct 21 20:22:57 CEST 2009


Michael Niedermayer <michaelni at gmx.at> writes:

> On Mon, Oct 19, 2009 at 01:00:24AM +0100, M?ns Rullg?rd wrote:
>> We are doing len [1 x w]*[w x w] matrix multiplications.
>
> you can also see it as a single [len x w][w x w] matrix multiplication
> and that may also allow faster matrix multiplication algos to be used ...

Do you know a way of multiplying matrixes with fewer operations?

-- 
M?ns Rullg?rd
mans at mansr.com



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