In the appendix E.2, the author says using lambda layer in c4 and c5 stage is good enough for the result, while keeping the speed not too slow. <img width="672" alt="image" src="https://user-images.githubusercontent.com/7401134/109284201-90672280-785a-11eb-8633-c8917eec2db3.png">
In the appendix E.2, the author says using lambda layer in c4 and c5 stage is good enough for the result, while keeping the speed not too slow.
