• dependents

  • python 3.x
  • pip => requirements.txt

• run

  • copy img.py and core.py in working directory
  • edit setting in img.py
  • run img.py

settings

size      -> rect size to fit image in
upscale   -> upscale image IF smaller than [size]
downscale -> downscale image IF bigger than [size]
copy_ud   -> copy IF image are NOT downscaled and/or upscaled

path      -> catalog with you images
path_out  -> save path
overwrite -> overwrite if image exist in [path_out]
file_extensions = [".png", ".jpg", ".jpeg"] -> tested only on ".png", ".jpg", ".jpeg"

prefix -> prefix for output filename
suffix -> suffix for output filename

quality  ->  0-100 quality for jpg
cores    ->  Number of streams :)

# For multicore only
minimized      ->  Start window minimized has priority over maximized
maximized      ->  Start window maximized
priority_class ->  "LOW" | "BELOWNORMAL" | "NORMAL" | "ABOVENORMAL" | "HIGH" | "REALTIME"

perfomance

ram usage 10-30MB per core
16.5GB of data: 28000 png Images (1280x720) to size = 200 (200x112)

i7-4770 (8 threads) with background cpu ~10-20%

Cores	Time	it/s
1	38:30	12.12
2	20:25	22.85
4	11:09	41.79
8	08:26	55.23
16	08:23	55.56