tmp fix to the shapes error with cudnnpool

theano/sandbox/cuda/dnn.py

@@ -745,8 +745,8 @@ if (err%(name)s != CUDNN_STATUS_SUCCESS) {
         # not connected to desc
         return [[1], [0]]
 
-    def c_code_cache_version(self):
-        return (3,)
+#    def c_code_cache_version(self):
+#        return (3,)
 
 
 class GpuDnnPoolGrad(DnnBase):

theano/sandbox/cuda/tests/test_dnn.py

@@ -57,8 +57,10 @@ def test_pooling():
     x = T.ftensor4()
 
     for func in (T.max, T.mean):
-        for ws in (4, 5):
+        for ws in (2, 4, 5):
             for stride in (2, 3):
+                if stride > ws:
+                    continue
                 out1 = cuda.dnn.dnn_pool(
                     x, ws=(ws, ws),
                     stride=(stride, stride),
@@ -68,13 +70,14 @@ def test_pooling():
 
                 f1 = theano.function([x], out1, mode=mode_with_gpu)
                 f2 = theano.function([x], out2, mode=mode_with_gpu)
-
-                data = numpy.random.normal(
-                    0, 1, (1, 10, 100, 100)).astype("float32")
+                for shp in [(1, 10, 100, 100),
+                            (1, 3, 99, 99),
+                            (32, 1, 147, 197),
+                         ]:
+                    data = numpy.random.normal(0, 1, shp).astype("float32")
                     a = f1(data).__array__()
 
                     b = f2(data).__array__()
-
                     assert numpy.allclose(a, b,
                                           atol=numpy.finfo(numpy.float32).eps)