PythonOnline.io VS Tiny C Compiler

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• Fast Compilation
  Tiny C Compiler (TCC) is known for its incredibly fast compilation speed, which makes it ideal for quick compilations and testing.
• Small Size
  TCC has a very small footprint compared to other compilers, making it easy to include in applications and use in environments with limited resources.
• C99 Support
  TCC provides support for the C99 standard, allowing the use of newer C language features.
• Dynamic Code Generation
  TCC can compile and execute code dynamically, which can be useful for scripting or embedded contexts.
• Simplified Licensing
  Under the GNU Lesser General Public License (LGPL), TCC can be more easily used in various projects, including proprietary ones, compared to compilers with more restrictive licenses.

Possible disadvantages

• Limited Optimization
  TCC does not perform extensive optimization, which can result in less efficient executable code compared to compilers like GCC or Clang.
• Incomplete C Standard Library
  TCC's standard C library implementation is not as complete as those of more established compilers, which might lead to compatibility issues.
• Lack of Detailed Documentation
  Users may find the available documentation lacking in detail, which can hinder learning and debugging for complex projects.
• Limited Platform Support
  TCC is primarily designed for smaller-scale applications and lacks some platform-specific and cross-compilation capabilities.
• Fewer Community Resources
  Compared to major compilers like GCC or Clang, TCC has a smaller user community, which can mean fewer tutorials, forums, and third-party support tools.

Tracking PythonOnline.io since May 2025.

• What every compiler writer should know about programmers (Anton Ertl, 2015) [pdf]

  Some of those already exist, e.g. https://bellard.org/tcc/ However, they're not in widespread use. I would be curious to learn if there's any data/non-anecdotal information as to why. Is it momentum/inertia of GCC/LLVM/MSVC? Are... - Source: Hacker News / 9 months ago

• Git: Introduce Rust and announce that it will become mandatorty

  In theory you should be able to use TCC to build git currently [1] [2]. If you have a lightweight system or you're building something experimental, it's a lot easier to get TCC up and running over GCC. I note that it supports arm, arm64,... - Source: Hacker News / about 1 year ago

• Weird Lexical Syntax

  > I'm not sure who wants to be able to syntax highlight C at 35 MB per second, but I am now able to do so Fast, but tcc *compiles* C to binary code at 29 MB/s on a really old computer: https://bellard.org/tcc/#speed. - Source: Hacker News / about 2 years ago

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