Merge pull request #4439 from nouiz/compat

theano/sandbox/cuda/type.py

@@ -42,6 +42,8 @@ class CudaNdarrayType(Type):
 
     dtype = 'float32'
 
+    context_name = 'gpu'  # For similar interface with the new back-end.
+
     Variable = None
     """
     This will be set to the Variable type corresponding to this class.

theano/sandbox/gpuarray/elemwise.py

@@ -224,6 +224,7 @@ class GpuElemwise(HideC, Elemwise):
         // +1 is so that MSVC is happy when nd == 0
         size_t dims[%(nd)s+1] = {%(initial_dims)s};
         void *rargs[%(nargs)s] = {0};
+        int err;
         """ % locals()
         for idx, iname in enumerate(inputs):
             if iname in emitted_inames:

theano/sandbox/gpuarray/opt.py

@@ -255,7 +255,7 @@ def local_cut_gpu_transfers(node):
                     return [node.op(n2.inputs[0])]
 
 gpu_cut_copies.register('cut_gpua_host_transfers', local_cut_gpu_transfers,
-                        'fast_compile', 'fast_run', 'inplace', 'gpuarray')
+                        'fast_compile', 'fast_run', 'gpuarray')
 gpu_cut_copies.register('cut_gpua_constant_transfers',
                         tensor.opt.constant_folding,
                         'fast_compile', 'fast_run', 'gpuarray')

theano/tensor/type.py

@@ -34,7 +34,7 @@ class TensorType(Type):
         Optional name for this type.
 
     """
-
+    context_name = 'cpu'
     filter_checks_isfinite = False
     """
     When this is True, strict filtering rejects data containing NaN or