How to speed up the Rust compiler in 2022

Between 2016 and 2020 I wrote a series of blog posts called “How to speed up the Rust compiler”. These were mostly about my work on the Rust compiler, plus some updates on the progress on the Rust compiler’s speed in general. I am now back on the Rust bandwagon as a member of Futurewei’s Rust team, and it’s time to start up the blog series again. Successes In the past few months I have landed some