Accidentally I found this video named: “"Clean" Code, Horrible Performance”. In this video the author explains that almost all postulates of the so-called “Clean Code” are wrong because they negatively affect performance (up to 25 times in his video), and he finishes the video with words: “You should never actually do them”.

Well, the author is right that all techniques explained in “Clean Code” will negatively affect performance. The same as writing code in C++ will make your code slower compared to assembler.

But there are a lot of reasons why most developers switched to languages like C even though their apps became slower and bigger. One of those reasons is portability. For example, there were several examples of