fixed CAReduce.__hash__

elemwise.py

@@ -520,7 +520,10 @@ class CAReduce(Op):
         return type(self) == type(other) and self.scalar_op == other.scalar_op and self.axis == other.axis
 
     def __hash__(self):
-        return hash(self.scalar_op) ^ hash(self.axis)
+        if self.axis is None:
+            return hash(self.scalar_op)
+        else:
+            return hash(self.scalar_op) ^ hash(tuple(self.axis))
     
     def __str__(self):
         if self.axis is not None:

gof/cc.py

@@ -821,8 +821,8 @@ class OpWiseCLinker(link.LocalLinker):
 
                 try:
                     cl = self.__cache__.get(desc)
-                except:
-                    print "harmless warning: failed to hash %s" % node
+                except Exception, exc:
+                    print "harmless warning: failed to hash %s: %s" % (node, exc)
                     cl = None
                 if cl is None:
                     cl = CLinker().accept(e, [r for r, r2 in zip(e.outputs, node.outputs) if r2 in no_recycling])