Why the image size must be aligned to 64?

[Tr1stesse]

In generate function:

        width, height = input_image.size
        factor = args.resolution / max(width, height)
        factor = math.ceil(min(width, height) * factor / 64) * 64 / min(width, height)
        width = int((width * factor) // 64) * 64
        height = int((height * factor) // 64) * 64
        input_image = ImageOps.fit(input_image, (width, height), method=Image.Resampling.LANCZOS)

This can lead to unexpected clipping. Can this be changed by modifying the parameters?

[csyhping]

Same problem here. Sometimes there will be a resolution loss (original res: 300 * 419 -> out res: 296 * 416)