W. Chen, S. He, Y. Xu, X. Zhang, S. Yang, S. Hu, X.-H. Sun, and G. Chen. "iCACHE: An Importance-Sampling-Informed Cache for Accelerating I/O-Bound DNN Model Training." In Proceedings of The 29th IEEE International Symposium on High-Performance Computer Architecture (HPCA-29), Montreal, QC, Canada, February 25 - March 01, 2023.