https://hacks.mozilla.org/2020/07/testing-firefox-more-efficiently-with-machine-learning/
Testing Firefox more efficiently with machine learning
By Andrew Halberstadt, Marco Castelluccio
Posted on July 9, 2020
“Even with all of these optimizations our CI still runs around 10 compute years per day!…. Could we use a machine learning algorithm to figure out the optimal set of tests to run?”