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Re:Torch7 – Scientific computing for LuaJIT by fchollet on Sunday June 22, 2014 @04:29PM (#7929083)
It is essentially a Lua equivalent to Theano. A significant difference, though, is that it makes running your NNs on GPU extremely easy.

Also, it is endorsed by the main deep convnets research groups (Facebook, Google).

Re:Torch7 – Scientific computing for LuaJIT by deanjones on Sunday June 22, 2014 @05:27PM (#7929286)
What specifically do you find not-so-easy about running Theano (or rather, a NN library built on top of Theano) on GPUs?