[FFmpeg-user] Why minterpolate operation is very slow on my ffmpeg?

[Алексей]

ffmpeg version 4.1 Copyright (c) 2000-2018 the FFmpeg developers
  built with Microsoft (R) C/C++ версии 19.16.27027.1 for x64
  configuration: --enable-gpl --enable-libx264 --enable-cuda --enable-cuvid --enable-nvenc --enable-nonfree --enable-libnpp --prefix=/c/ffmpeg --extra-cflags=-I/usr/local/include --extra-ldflags='-LIBPATH:/usr/local/lib64' --toolchain=msvc
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100