Kungurtsev, Vyacheslav, Malcolm Egan, Bapi Chatterjee, and Dan Alistarh. 2021. “Asynchronous Optimization Methods for Efficient Training of Deep Neural Networks With Guarantees”. Proceedings of the AAAI Conference on Artificial Intelligence 35 (9):8209-16. https://ojs.aaai.org/index.php/AAAI/article/view/16999.