In the Wild linker, we make extensive use of rayon for parallelism. In some places, we process graphs or do other work that doesn't fit neatly into rayon's par_iter. In this post, I explore some of the different approaches we've used and some of their issues as well as discuss possible future options.
https://davidlattimore.github.io/posts/2025/11/27/graph-algorithms-in-rayon.html