[FFmpeg-devel] [PATCH] Optimization for add_8x8basis

Guillaume POIRIER poirierg
Sun May 13 17:33:12 CEST 2007


On May 13, 2007, at 3:56 , Zuxy Meng wrote:


3DNow! and SSSE3 provide instructions for packed mulplication with
rounding (pmulhrw and pmulhrsw respectively) which can be used to
replace pmulhw+paddw+psarw.

Someone willing to test it on Core 2?

What kind of sample would be a good test? MPEG-4 ASP, AVC, .... ?


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