search for: deecod

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2003 Jan 23
4
SIMD instructions
Vorbis does not appear to use any SIMD instructions. A short look around in the source code indicates that it would be possible and might even yield big performance improvements. Why has nobody done it yet? I am currently trying to learn using these instructions and would be willing to rewrite a few functions in SIMD instructions, if I understand how to vectorize them and if they make a