[x264-devel] CABAC performance

[Son Minh Tran]

Dear All,
Have you ever tested the performance of CABAC in x264. It is strange 
that  with  toggling between using / not using CABAC (without / with 
--no-cabac option) I didn't see the improvement about 16% of bitrate at 
the cost of encoder speed fps (complexity) about 25-30%. In fact I had 
about 4-11% improvement in bitrate for only max 6% increase in the fps 
speed of encoder. You have a optimized CABAC encoder or I miss some 
things while turning off the CABAC
Thank you

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