Background

  • Common Perception: Python is often labeled as a slow and merely a scripting language.
  • Frustration with Misconception: The belief that Python’s performance issues stem from the language itself, rather than how the code is written.

Choosing Mojo: The Main Reason

  • Modular | Mojo as a Bridge: Mojo combines Python’s ease of use with advanced programming capabilities. It’s tailored for both research and production environments.
  • Systems Programming Language: Designed for heterogeneous computing, Mojo excels in handling different processors like CPUs, GPUs, FPGAs, and NPUs.
  • Versatility and Control: As an AI Application Research Engineer, the author values complete control over the entire process - from research to deployment, without needing extensive hardware knowledge or multiple tools.

Key Takeaway

  • Mojo is not just about enhancing speed; it’s about offering a comprehensive solution that balances ease of use with sophisticated programming capabilities for diverse computing environments.

Getting Started

Initial Setup

  • Download Mojo SDK: Essential for running Mojo code.
    • Includes the “Mojo CLI” (Command Line Interface), a versatile tool for executing Mojo code and other tasks.
    • Provides a REPL (Read-Eval-Print Loop) environment for interactive coding.

Learning and Development Environment

  • Using REPL: Ideal for beginners, similar to a basic calculator, great for practicing small code snippets.
  • Advancing with Mojo:
    • Organize code into Mojo files, modules, and packages.
    • Use Visual Studio Code (VSCode) for a more structured coding environment.
    • Leverage a Mojo extension for VSCode offering features like auto-completion and quick fixes.

Installation on Different Operating Systems

  • Compatibility: Currently, Mojo SDK is only compatible with Ubuntu & MacOS. Windows users can utilize WSL (Windows Subsystem for Linux) container.
  • Installation Steps:
    • For Linux or MacOS:
        curl https://get.modular.com | MODULAR_AUTH=mut_e982ece66e6949d593f64xxxx sh -
modular install mojo
    • Setting Environment Variables: Add MODULAR_HOME and PATH to .bashrc or .zsh files as suggested during installation.

Updating Mojo SDK

  • Run the following commands:
      sudo apt-get update
sudo apt-get install modular
modular clean
modular install mojo

Visual Studio Code Extension

  • Download the VSCode extension for an enhanced Mojo coding experience.

Mojo Playground

  • Access the Mojo environment in a browser via the Mojo playground link.

Running Mojo Code

Using REPL

  • Start REPL by typing mojo.
  • Example:
      mojo
# Type your code here

Mojo Source File

  • Create a file (e.g., hello.mojo) and write your Mojo code.
  • Example:
      fn main():
    print("Hello, world!")

Executing Code

  • Run a Mojo file: mojo hello.mojo
  • Build an executable: mojo build hello.mojo
  • Run the executable: ./hello

Mojo CLI Usage

  • Basic Commands:
    • Check version: mojo --version or mojo -v
    • Get help: mojo --help or mojo -h
    • Run a file: mojo run ./hello.mojo
    • Build a file: mojo build ./hello.mojo
    • Launch REPL: mojo repl
    • Other commands include debug, package, format, doc, and demangle.

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Last updated 17 Aug 2024, 12:31 +0200 . history