Thank you for the heads-up, Anonymous Monk. AI::MXNet is on CPAN (just mere days ago).

Here are some links for those that want to try it out.

http://blogs.perl.org/users/sergey_kolychev/2017/02/machine-learning-in-perl.html

http://mxnet.io/get_started/

http://mxnet.io/tutorials/python/mnist.html entitled Handwritten Digit Recognition — mxnet 0.9.3 documentation