Chen, M., K. Gao, X. Liu, Z. Wang, N. Ni, Q. Zhang, L. . Chen, C. Ding, Z. Huang, M. Wang, S. Wang, F. Yu, X. Zhao, and D. Xu. “THOR, Trace-Based Hardware-Driven Layer-Oriented Natural Gradient Descent Computation”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 8, May 2021, pp. 7046-54, https://ojs.aaai.org/index.php/AAAI/article/view/16867.