[FFmpeg-devel] [PATCH] H264 MC8 SSSE3 minor speedups

Loren Merritt lorenm
Sat Aug 21 19:18:04 CEST 2010


On Sat, 21 Aug 2010, Ronald S. Bultje wrote:

> 604 dezicycles in w=8, 65535 runs, 1 skips
> 603 dezicycles in w=8, 131067 runs, 5 skips
> 606 dezicycles in w=8, 262137 runs, 7 skips
> 606 dezicycles in w=8, 524275 runs, 13 skips
> 605 dezicycles in w=8, 1048552 runs, 24 skips

Bad benchmark technique. You should report only the last dezicycle line 
(i.e. the one with the highest # of runs, which includes all the previous 
data). But run the whole program multiple times, and report the last line 
from each.

--Loren Merritt



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