Does commenting slow down code?

4 Answers. Commenting will not affect the script execution time in normal case. But the number of lines you write in your code affect the parser to read and buffer it considerably.

Do comments affect code?

Comments are stripped from the compiled code, they can not slow down your compiled program. All the comments can do is to slow down the compiler (it should parse the source code and cut the comments off).

What is the point of commenting sections of code?

In computer programming, a comment is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters.

Do comments increase execution time?

No. Comments have no effect on execution. They will slow the compiler down a tiny bit – but even that should be imperceptible unless you have a ridiculous number of comments. The “effect” you’re noticing is more to do with the way you’re timing things – using System.

Do comments make Python code slower?

Having comments will slow down the startup time, as the scripts will get parsed into an executable form. However, in most cases comments don’t slow down runtime. Additionally in python, you can compile the . py files into .

Does commented code affect performance angular?

Removing comments will make the Javascript file smaller and easier to download. Other than that, it will not affect noticably performance at all.

Do code comments affect performance?

So no, they do not affect performance in any way. If language is using the compiler then the processing don’t effected but if interpreter is working there then the process may slow down due to comments.

What is the best way to comment out a section of code that contains comments?

You can easily add comments using either the C or C++ style, even to large sections of code. You can add two forward slash characters ( // ) at the beginning of lines to comment out large sections, even when they have other comment characters, such as /* */ .

Do comments slow down Python code?

Do python comments affect performance?

How do I comment out a large block of code?

To comment out a large block of code in the Editor or Live Editor, select the code and on the “Editor” or “Live Editor” tab, click the “Comment” button. This inserts a “\%” symbol in front of each selected line. Alternatively, select the code and type “Ctrl” + “R”. To uncomment the selected text, click the “Uncomment” button or type “Ctrl” + “T”.

How do I comment out a block of code in MathWorks?

Edited: MathWorks Support Team on 8 Nov 2018 To comment out a large block of code in the Editor or Live Editor, select the code and on the “Editor” or “Live Editor” tab, click the “Comment” button. This inserts a “\%” symbol in front of each selected line. Alternatively, select the code and type “Ctrl” + “R”.

How do i un-comment a text in a code?

Alternatively, select the code and type “Ctrl” + “R”. To uncomment the selected text, click the “Uncomment” button or type “Ctrl” + “T”. You also can use the block comment operators “\%{” and “\%}”. The “\%{” and “\%}” operators must appear alone on the lines that immediately precede and follow the block of help text.

How to read the first line of a comment block in Java?

In case the first line reads /*, it is interpreted as the start of a comment block. Java searches for the corresponding end which is // */ (the // is ignored). In mac, it is more stable to use command+shift+c.