The corresponding UnrealEngine Torch plugin is released here: https://github.com/facebook/UETorch

Papers like these make me appreciate why Torch was chosen for Lua.

Here is a Facebook by Yann LeCun about this, just a little background on the project, on-going projects at FAIR, and some promotion of FAIR (Facebook AI Research):

https://www.facebook.com/yann.lecun/posts/10153408304077143