Le nonidi 9 brumaire, an CCXXIV, Ganesh Ajjanagadde a écrit : > Sample benchmark (x86-64, Haswell, GNU/Linux): > File: original from https://trac.ffmpeg.org/ticket/1430 > command: ffmpeg -stream_loop 8 -i file.webm -vf deshake=rx=64:ry=64 -f null - > > Timer truncated at 1024 runs. > new: > 39676 decicycles in qsort, 1024 runs, 0 skips > > old: > 86783 decicycles in qsort, 1024 runs, 0 skips
What was inside the start/stop_timer block? I see that the qsort call is after a very expensive loop, I suspect those few thousand cycles may be completely negligible in front of the loop itself. Regards, -- Nicolas George
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