@unpublished{nips2017,
 author = {J. M. Siskind},
 title = {Divide-and-Conquer Checkpointing for Arbitrary Programs with No User
          Annotation},
 lcoation = {NIPS Workshop on The Future of Gradient-Based Machine
             Learning Software & Techniques},
 date = 9,
 month = dec,
 year = 2017,
 url = {http://engineering.purdue.edu/~qobi/tweet-talks/nips2017-slides.pdf}}