svoid bench_binaryImagePixelDifference_sameSize_Image2BAsLongs() {
  int maskSize = 32;
  L<Image2BAsLongs> images = repF(1000, -> new Image2BAsLongs(randomBinaryImage(maskSize)));
  Image2BAsLongs mainImage = random(images);
  print(benchFor5(-> {
    long sum = 0;
    for (image : images)
      sum += binaryImagePixelDifference_sameSize(image, mainImage);
    ret sum;
  }));
}

Began life as a copy of #1036039