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This repository was archived by the owner on Aug 5, 2022. It is now read-only.
This repository was archived by the owner on Aug 5, 2022. It is now read-only.

yamitranscode gives 10-15% performance difference from run to run #96

@dvrogozh

Description

@dvrogozh

Consider running the following:

for i in `seq 1 20`; do
/usr/bin/time -f "%e;%U;%S;%P" -a --output="log.txt" \
yamitranscode \
  -i input_1920x1080p.264 \
  -o out.264 \
  -W 1920 -H 1080 \
  -c AVC \
  -ipperiod 1 \
  -intraperiod 30 \
  --rcmode CQP \
  -qp 25
done

On SKL NUC I observe:

$ cat log_.txt
17.53;1.62;1.26;16%
15.62;1.65;1.24;18%
17.35;1.62;1.24;16%
15.63;1.65;1.28;18%
17.33;1.65;1.25;16%
15.63;1.63;1.28;18%
17.36;1.63;1.24;16%
15.63;1.69;1.22;18%
17.35;1.66;1.23;16%
15.63;1.72;1.22;18%
17.35;1.69;1.19;16%
15.63;1.65;1.26;18%
17.35;1.66;1.21;16%
15.61;1.65;1.27;18%
17.34;1.67;1.22;16%
15.63;1.68;1.24;18%
17.35;1.65;1.22;16%
15.63;1.68;1.23;18%
17.34;1.63;1.23;16%
15.65;1.69;1.26;18%
17.35;1.65;1.24;16%

Looks like yamitranscode has 10-15% variations in performance from run to run.

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