"Python is widely acknowledged as slow.
Python is one of the slowest programming languages when compared to other languages such as Java, C#, Go, JavaScript, and C++. There are several types of compilers available, including JIT (C# and Java), AOT (C and C++), and interpreted languages such as JavaScript.
PHP is a scripting web development programming language and usually complements HTML, CSS, and MySQL in website deployment. Many argue that PHP is obsolete. ... PHP is incredibly slow because of the lack of just-in-time compilation (JIT compiler) and the fact that it is a dynamically-typed language.
C++ is faster than Python because it is statically typed, which leads to a faster compilation of code. Python is slower than C++, it supports dynamic typing, and it also uses the interpreter, which makes the process of compilation slower.
Conclusion. Generally, C is preferred for tasks that require to be executed quickly, and hence the programmer has to deal with minimum runtime. The cost paid while using C is the absence of functionalities provided by other languages. Hence C is the fastest language.
Performance-based on Nature Of Language
C++ language is an object-oriented programming language, and it supports some important features like Polymorphism, Abstract Data Types, Encapsulation, etc. Since it supports object-orientation, speed is faster compared to the C language.
Python programs are generally expected to run slower than Java programs, but they also take much less time to develop. Python programs are typically 3-5 times shorter than equivalent Java programs. This difference can be attributed to Python's built-in high-level data types and its dynamic typing.
Unlike other popular programming languages including C# or JAVA, Python is dynamically typed and an interpreted language. It is slow primarily due to its dynamic nature and versatility.
Additionally, due to its much simpler syntax, Python requires far fewer lines of code than C# does to execute the same task, theoretically making the process faster. And yet, C# proves to be quite the competition. In practice, C# programs actually run faster than Python ones, and they use up less memory to do it.
C is a faster language compared to Python as it is compiled. Python programs are usually slower than C programs as they are interpreted. In C, the type of the various variables must be declared when they are created, and only values of those particular types must be assigned to them.
Java startup time is often much slower than many languages, including C, C++, Perl or Python, because many classes (and first of all classes from the platform Class libraries) must be loaded before being used.
Malbolge. Malbolge was invented in 1998 by Ben Olmstead. This esolang is considered to be the most complicated programming language.
Java is a favorite among developers, but because the code must first be interpreted during run-time, it's also slower. C++ is compiled to binaries, so it runs immediately and therefore faster than Java programs.
Haskell. The language is named after a mathematician and is usually described to be one of the hardest programming languages to learn. It is a completely functional language built on lambda calculus. Haskell supports shorter code lines with ultimate code reusability that makes the code understanding better.
Although Python is used by the majority of developers and, according to industry experts, Python is used by the majority of industries. However, this programming language can still not overtake Java because it needs more resources to replace it truly.
Java language is not very slow as compared to C++. There are two classes generally used for I/O operations in the JAVA, Scanner class, and BufferedReader Class.
C++ performance. In contrast, a program written in C++ gets compiled directly into machine code -- without an intermediary translation required at runtime. This is one reason why C++ programs tend to perform faster than those written in Java.
C++ is considered a native language because it compiles directly into machine code that can be understood by the underlying system. C# must first compile into Microsoft Intermediate Language (MSIL) before the just-in-time (JIT) compiler generates machine code. For this reason, C++ is typically faster than C#.
C++ is the fastest language according to a number of measures, including compilation time and execution speed. In this section, we will look at some ways in which C++ beats out other programming languages in terms of performance.
So, What's the Best Programming Language to Learn? If you're looking for something easy: Python. If you want a solid foundation to make you a master developer: C. If you're looking for a job or want to make mobile apps: Java. If you want to try front-end development: Javascript.
In general, coding is a fairly relaxing job. There is the flexibility of working remotely as a programmer, and in many cases there is the security of routine. However, as with any job, whether coding is stressful depends largely on the company you work with. Cultural pressures and tight deadlines can cause stress.
You don't need to be able to type fast in order to 'code'. But you do if you want to be a highly productive programmer. The role of a developer is not restricted to only writing code.