Posted on

Dive into the world of Rust programming, exploring its applications in simulations, safety-critical systems, and parallel computing.

Hello, Rust Enthusiasts!

Welcome to another edition of "Rust Trends", your biweekly update on the dynamic world of Rust programming. In this issue, we delve into the fascinating applications of Rust, from creating an ant colony simulation to ensuring the highest safety standards in electronic systems with Rust and Ferrocene. We also explore the power of parallel computing with Rayon, a data-parallelism library for Rust.

So, sit back, grab your favorite beverage, and let's embark on this exciting exploration of Rust's capabilities and advancements. Whether you're a seasoned Rustacean or a curious newcomer, there's something for everyone in this edition. Let's get started!

Rust Ants Colony Simulation: A Unique Pet Project

Rust Ants Colony Simulation In the world of Rust programming, there's always something new and exciting to explore. Today, we're introducing a fascinating pet project (pun intended) that's been buzzing in the Rust community: the Rust Ants Colony Simulation.

This project, is an ant colony simulation implemented in Rust. Despite its current inefficiency, which allows it to handle only about 500 ants on an older laptop, it's a captivating exploration of Rust's capabilities. The simulation is built using Rust and the Bevy game engine, showcasing the versatility of Rust in different domains.

You can find the timelapse video on Youtube.

Thought-Provoking Insights

  • Rust in Game Development: Rust's performance characteristics make it a suitable choice for game development. The use of the Bevy game engine in this project is a testament to this. How might Rust evolve as a language for game development in the future?
  • Simulation Efficiency: The current implementation can handle about 500 ants. This opens up discussions about optimization in Rust. What strategies could be employed to increase the efficiency of such a simulation?

Ferrocene: Elevating Safety Standards with the Rust Compiler

Ferrocene In the realm of coding, safety is paramount, especially when it comes to applications like autonomous driving systems, medical equipment, or industrial control systems. Enter Ferrocene, a unique variant of the Rust compiler, designed with a singular purpose - to ensure the highest level of safety in electrical and electronic systems.

Ferrocene is not just any Rust compiler. It's currently undergoing a rigorous qualification process under two globally recognized standards - ISO 26262 and IEC 61508. ISO 26262 is a critical standard for the functional safety of electrical and electronic systems in production automobiles, a key requirement for applications like autonomous vehicle software. IEC 61508, on the other hand, is a comprehensive standard for functional safety of electrical, electronic, and programmable electronic safety-related systems, essential for industries like healthcare and manufacturing.

For two years, the Ferrocene project has been in development, meticulously crafted to meet these stringent safety standards. The result? A release candidate that's currently available and poised to make a significant impact in the field of safety-critical applications, from medical devices that monitor patient health to industrial systems that control complex manufacturing processes.

The ultimate goal of Ferrocene is to provide a version of the Rust compiler that not only meets but surpasses these safety standards. It's about elevating the bar for safety in the digital world, ensuring that safety-critical applications can rely on a robust and secure foundation. With Ferrocene, the future of safe coding in critical applications looks promising.

Join Ferrous Systems announcement party on October 4th, 2023, online.

Fearless concurrency with Rayon

Robots working in parallel just like Rayon Rayon is a powerful data-parallelism library for Rust that allows developers to easily convert sequential computations into parallel ones. It's incredibly lightweight and ensures data-race freedom, providing a safe environment for parallel execution.

The beauty of Rayon lies in its simplicity. To convert a sequential iterator into a parallel one, you typically just replace your iter() call with par_iter(), and Rayon handles the rest. This makes it straightforward to leverage the power of parallel computing in your Rust applications.

Rayon also offers the join and scope functions for creating parallel tasks manually, providing more flexibility when needed. Moreover, it supports custom thread pools, giving you even more control over your parallel computations.

One of the key features of Rayon is its guarantee of data-race freedom. This means that if your code compiles, it will typically behave the same way it did before, but faster. Parallel iterators, in particular, are guaranteed to produce the same results as their sequential counterparts.

To use Rayon, you simply add it as a dependency in your Cargo.toml file and bring the necessary traits into scope using the Rayon prelude. Rayon currently requires Rustc 1.59.0 or greater.

Rayon also supports WebAssembly through an adapter and some project configuration. This allows you to bring the power of Rayon to web applications.

Key Takeaways:

  1. Rayon allows easy conversion of sequential computations into parallel ones in Rust.
  2. It guarantees data-race freedom, ensuring safe parallel execution.
  3. Rayon supports custom thread pools and manual task creation for greater flexibility.
  4. It's compatible with WebAssembly, extending its use to web applications.

Thought-Provoking Questions:

  1. How can the simplicity of converting sequential iterators to parallel ones with Rayon change the way we approach programming in Rust?
  2. What impact does the guarantee of data-race freedom have on the reliability of parallel computing in Rust?
  3. How can the WebAssembly support in Rayon broaden its application in web development?

For more information, check out the Rayon GitHub page. For a Youtube explainer checkout this video from Let's Gets Rusty.


Push yourself to explore the uncharted territories of Rust. Venturing beyond your usual limits can substantially enrich your evolution as a coder.

Thanks for reading!
Bob Peters

Feel free to connect with me on LinkedIn