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!