https://blog.wongcw.com/2021/01/14/bench-%e8%bc%95%e9%ac%86%e7%9a%84%e6%89%b9%e9%87%8f%e8%99%95%e7%90%86%e5%9c%96%e7%89%87/
Bench – 輕鬆的批量處理圖片