Understanding Gradient Clipping in Private SGD:
        A Geometric Perspective

     Xiangyi Chen          Zhiwei Steven Wu          Mingyi Hong
   University of Minnesota     Carnegie Mellon University     University of Minnesota
   chen5719@umn.edu         zstevenwu@cmu.edu          mhong@umn.edu

                       Abstract
     Deep learning models are increasingly popular in many machine learning appli-
     cations where the training data may contain sensitive information. To provide
...