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http://rubykaigi.org/2015/presentations/wycats_chancancode Ruby is not the fastest language in the world, there is no doubt about it. This doesn't turn out to matter all that much – Ruby and its ecosystem has so much more to offer, making it a worthwhile tradeoff a lot of the times. However, you might occasionally encounter workloads that are simply not suitable for Ruby. In this talk, we will explore building a native extension with Rust to speed up parts of Rails. (No prior experience with Rust required!) What does Rust has to offer in this scenario over plain-old C? Let's find out!
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The video titled "Turbo Rails with Rust" features speakers Yehuda Katz and Godfrey Chan presenting at RubyKaigi 2015, discussing the integration of Rust with Ruby to enhance performance. The primary theme revolves around the need for faster processing in Rails applications, which Ruby, despite its many advantages, sometimes struggles to provide. Key points discussed throughout the presentation include: - **Introduction to Ruby's Limitations**: Ruby is appreciated for its high-level programming features like dynamic typing and object orientation, but is recognized for its inherent slowness. - **Performance Enhancement via Native Extensions**: The presenters explain that while Ruby might be slow, significant performance improvements can be achieved by leveraging native extensions written in lower-level languages such as C. - **Challenges of C**: Writing C extensions can be perilous due to potential runtime crashes and memory management issues, which makes the task intimidating for many developers. - **Introduction to Rust**: Rust is introduced as a safer alternative to C for writing native extensions. The language's features, including a strong type system and memory safety guarantees through an ownership model, make it an attractive option for enhancing Ruby applications. - **Case Studies**: The presenters cite Ruby on Rails performance engineer Sam Saffron's work on a method called 'string blank', which was optimized by rewriting it in C, achieving a significant performance boost. However, they address concerns regarding the complexity and dangers of C programming, positioning Rust as a friendlier solution. - **Rust's Compiler Advantages**: Rust's ability to perform optimizations such as function inlining through static dispatch allows for improved performance, contrasting with Ruby's dynamic nature. - **Collaboration between Ruby and Rust**: The speakers emphasize the importance of collaboration between the two communities to examine how Rust’s principles can improve the Ruby experience overall. In conclusion, the talk captures a pivotal moment where Rust is positioned as a promising ally for Ruby developers seeking to enhance the performance of their applications. The ownership model in Rust could prove beneficial for Ruby programming, offering opportunities for future developments to optimize Ruby applications while maintaining safety.
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