Theano/Theano — pull request #925 by nouiz (2012-09-16 20:38:04+00:00)
Title: Alloc empty

This create the tensor.empty() fct and make [Gpu]Alloc support it. We use it to speed up [gpu]gemv as it use this alloc.

We use a TensorConstant of size 0 to tell we don't want to init the memory.