Using Go doesn’t mean you have to use many goroutines or must not do some manual memory management where it is the right thing to do. This article nicely shows

Using Go doesn’t mean you have to use many goroutines or must not do some manual memory management where it is the right thing to do. This article nicely shows how optimizing your program yields more speed than randomly throwing goroutines at it. Finally it does use goroutines for a good effect, but after proper consideration.