~rubyweekly | Issue 738 - Using JITs for faster FFI in Ruby (12)

Ruby Boy: A Game Boy Emulator Written in Ruby — A fun one! You can play it in the browser, too, thanks to WebAssembly and ruby.wasm. (GitHub repo.)

🫠 AI Isn’t Magic, and It Isn’t Here to Save You — It won’t fix messy workflows, tech debt, and shaky fundamentals on its own. AI doesn’t replace developers—it raises the bar for them.

ImageProcessing 1.14: High-Level Image Processing Wrapper for libvips and ImageMagick — “The goal of this project is to have a single gem that contains all the helper methods needed to resize and process images.”

Tiny JITs for a Faster FFI — FFI (Foreign Function Interface) lets Ruby call dynamically-linked native libraries, but it can impose a performance tax. Aaron Patterson demonstrates this ‘FFI tax’ and experiments with JIT-compiling FFI bindings to dramatically boost performance.

The Role of Size Pools in Ruby Garbage Collection — Garbage collection improvements have fuelled a lot of the performance gains in Ruby 3.2 onwards. As a part of his Ruby Under a Microscope rewrite, Pat runs an experiment showing how Ruby uses size pools to speed up allocating memory for new objects.

Ruby Source Parsing — A look at several interesting ways to dynamically work with Ruby source and to extract useful information.

Flexible API Versioning with Rails — There are two truths about API versioning: 1. It’s required. 2. It’s hard to do right. Petr offers an example of how fast it can go wrong, followed by a more maintainable method to keep things sensible.

Fixing asdf 0.16.x Breakages — Last week, we mentioned that the popular asdf runtime version manager was entirely rewritten in Go. This caused Dave’s setup to break and here’s how he fixed it.

Rhino Editor: An Action Text Compatible Rich Text Editor — As well as being a clean, simple rich text editor, a big selling point is being able to use ProseMirror and TipTap plugins, as well as some good docs page.

🔭 Ephem: Track Positions of Space Objects Accurately in Ruby — From the creator of the Astronoby astrometry gem comes a new space-themed release for tracking the position and velocity of ‘major Solar System bodies’ using data supplied by NASA.

Memetria K/V: High-Performance Key-Value Hosting — Boost your Ruby apps with Memetria K/V, providing portable, easy-to-use hosting for Redis OSS and Valkey. Scale your applications with ease and achieve high performance. Includes detailed analytics and large key memory tracking.

Fixed Price Monthly Code Maintenance for Rails Apps — No time to do those small but critical updates and features? CodeCare will take care of necessary tweaks, bug fixes, upgrades and ongoing improvements for your app.