remove other trace of _op_use_c_code

theano/gof/op.py

@@ -781,17 +781,6 @@ class Op(utils.object2, PureOp, CLinkerOp):
     Convenience class to bundle `PureOp` and `CLinkerOp`.
 
     """
-    def __new__(cls, *args, **kwargs):
-        # this function exists to silently and transparently ensure that all
-        # existing Ops get a _op_use_c_code attribute
-        obj = object.__new__(cls)
-        if not hasattr(obj, '_op_use_c_code'):
-            obj._op_use_c_code = theano.config.cxx
-        return obj
-
-    def __init__(self, use_c_code=theano.config.cxx):
-        self._op_use_c_code = use_c_code
-
     def prepare_node(self, node, storage_map, compute_map, impl):
         """
         Make any special modifications that the Op needs before doing

theano/sandbox/cuda/blas.py

@@ -541,10 +541,8 @@ class GpuGemm(GpuOp):
     def __setstate__(self, dct):
         self.__dict__.update(dct)
 
-        # Correctly reload older pickles where _op_use_c_code and
-        # destroy_map were not saved
-        if '_op_use_c_code' not in self.__dict__:
-            self._op_use_c_code = theano.config.cxx
+        # Correctly reload older pickles where destroy_map were not
+        # saved
         if 'destroy_map' not in self.__dict__ and self.inplace:
             self.destroy_map = {0: [0]}
 
@@ -661,10 +659,8 @@ class GpuGemv(GpuOp):
     def __setstate__(self, dct):
         self.__dict__.update(dct)
 
-        # Correctly reload older pickles where _op_use_c_code and
-        # destroy_map were not saved
-        if '_op_use_c_code' not in self.__dict__:
-            self._op_use_c_code = theano.config.cxx
+        # Correctly reload older pickles where destroy_map were not
+        # saved
         if 'destroy_map' not in self.__dict__ and self.inplace:
             self.destroy_map = {0: [0]}
 
@@ -761,10 +757,8 @@ class GpuGer(GpuOp):
     def __setstate__(self, dct):
         self.__dict__.update(dct)
 
-        # Correctly reload older pickles where _op_use_c_code and
-        # destroy_map were not saved
-        if '_op_use_c_code' not in self.__dict__:
-            self._op_use_c_code = theano.config.cxx
+        # Correctly reload older pickles where destroy_map were not
+        # saved
         if 'destroy_map' not in self.__dict__ and self.inplace:
             self.destroy_map = {0: [0]}
 

theano/tensor/blas.py

@@ -834,10 +834,8 @@ class Gemm(GemmRelated):
         else:
             self.setup_z_Nz_Sz = self.setup_z_Nz_Sz_outplace
 
-        # Correctly reload older pickles where _op_use_c_code and
-        # destroy_map were not saved
-        if '_op_use_c_code' not in self.__dict__:
-            self._op_use_c_code = theano.config.cxx
+        # Correctly reload older pickles where destroy_map were not
+        # saved
         if 'destroy_map' not in self.__dict__ and self.inplace:
             self.destroy_map = {0: [0]}