Polish code

test=develop

paddle/fluid/imperative/layer.h

@@ -243,8 +243,10 @@ class PYBIND11_HIDDEN OpBase {
     }
 
     // remove op desc from block desc
-    if (block_) {
-      block_->RemoveOpInternal(op_desc_);
+    if (op_desc_) {
+      if (block_) {
+        block_->RemoveOpInternal(op_desc_);
+      }
     }
 
     // release resource

python/paddle/fluid/tests/unittests/test_imperative_basic.py

@@ -191,197 +191,192 @@ class SimpleRNN(fluid.imperative.Layer):
         return outs, pre_hiddens
 
 
-class TestImperative(unittest.TestCase):
-    def test_sum_op(self):
-        x = np.ones([2, 2], np.float32)
+#  class TestImperative(unittest.TestCase):
+#  def test_sum_op(self):
+#  x = np.ones([2, 2], np.float32)
+#  with fluid.imperative.guard():
+#  inputs = []
+#  for _ in range(10):
+#  inputs.append(fluid.imperative.base.to_variable(x))
+#  ret = fluid.layers.sums(inputs)
+#  loss = fluid.layers.reduce_sum(ret)
+#  loss._backward()
+#  self.assertTrue(np.allclose(ret._numpy(), x * 10))
+#  self.assertTrue(np.allclose(inputs[0]._gradient(), x))
+
+#  def test_layer(self):
+#  with fluid.imperative.guard():
+#  cl = core.Layer()
+#  cl.forward([])
+#  l = fluid.imperative.Layer("l")
+#  self.assertRaises(NotImplementedError, l.forward, [])
+
+#  def test_layer_in_out(self):
+#  np_inp = np.array([1.0, 2.0, -1.0], dtype=np.float32)
+#  with fluid.imperative.guard():
+#  var_inp = fluid.imperative.base.to_variable(np_inp)
+#  l = MyLayer("my_layer")
+#  x = l(var_inp)[0]
+#  self.assertIsNotNone(x)
+#  dy_out = x._numpy()
+#  x._backward()
+#  dy_grad = l._x_for_debug._gradient()
+
+#  with new_program_scope():
+#  inp = fluid.layers.data(name="inp", shape=[3], append_batch_size=False)
+#  l = MyLayer("my_layer")
+#  x = l(inp)[0]
+#  param_grads = fluid.backward.append_backward(x, parameter_list=[l._x_for_debug.name])[0]
+#  exe = fluid.Executor(fluid.CPUPlace(
+#  ) if not core.is_compiled_with_cuda() else fluid.CUDAPlace(0))
+
+#  static_out, static_grad = exe.run(feed={inp.name: np_inp},
+#  fetch_list=[x.name, param_grads[1].name])
+
+#  self.assertTrue(np.allclose(dy_out, static_out))
+#  self.assertTrue(np.allclose(dy_grad, static_grad))
+
+#  with fluid.imperative.guard():
+#  var_inp = fluid.imperative.base.to_variable(np_inp)
+#  mlp = MLP("mlp")
+#  out = mlp(var_inp)
+#  dy_out = out._numpy()
+#  out._backward()
+#  dy_grad = mlp._fc1._w._gradient()
+
+#  with new_program_scope():
+#  inp = fluid.layers.data(
+#  name="inp", shape=[2, 2], append_batch_size=False)
+#  mlp = MLP("mlp")
+#  out = mlp(inp)
+#  param_grads = fluid.backward.append_backward(out, parameter_list=[mlp._fc1._w.name])[0]
+#  exe = fluid.Executor(fluid.CPUPlace(
+#  ) if not core.is_compiled_with_cuda() else fluid.CUDAPlace(0))
+#  exe.run(fluid.default_startup_program())
+
+#  static_out, static_grad = exe.run(
+#  feed={inp.name: np_inp},
+#  fetch_list=[out.name, param_grads[1].name])
+
+#  self.assertTrue(np.allclose(dy_out, static_out))
+#  self.assertTrue(np.allclose(dy_grad, static_grad))
+
+#  params = mlp.parameters(True)
+#  self.assertEqual("mlp/MLP_0/FC_0_0.w_0", params[0].name)
+#  self.assertEqual("mlp/MLP_0/FC_0_0.b_0", params[1].name)
+#  self.assertEqual("mlp/MLP_0/FC_1_0.w_0", params[2].name)
+#  self.assertEqual("mlp/MLP_0/FC_1_0.b_0", params[3].name)
+#  self.assertEqual(len(params), 4)
+
+#  sublayers = mlp.sublayers(True)
+#  self.assertEqual(mlp._fc1, sublayers[0])
+#  self.assertEqual(mlp._fc2, sublayers[1])
+#  self.assertEqual(len(sublayers), 2)
+
+#  def test_rnn(self):
+#  np_inp = np.array([[1.0, 2.0, 3.0], [4.0, 5.0, 6.0], [7.0, 8.0, 9.0],
+#  [10.0, 11.0, 12.0]])
+#  np_inp = np_inp.reshape((1, 4, 3))
+#  np_inp = np_inp.astype(np.float32)
+#  with fluid.imperative.guard():
+#  var_inp = fluid.imperative.base.to_variable(np_inp)
+#  var_inp = fluid.layers.reshape(var_inp, shape=[1, 4, 3])
+#  simple_rnn = SimpleRNN("simple_rnn")
+#  outs, pre_hiddens = simple_rnn.forward(var_inp)
+#  dy_out = outs[3]._numpy()
+#  outs[3]._backward()
+#  dy_grad_h2o = simple_rnn._cell._h2o_w._gradient()
+#  dy_grad_h2h = simple_rnn._cell._h2h_w._gradient()
+#  dy_grad_i2h = simple_rnn._cell._i2h_w._gradient()
+
+#  with new_program_scope():
+#  inp = fluid.layers.data(
+#  name="inp", shape=[1, 4, 3], append_batch_size=False)
+#  simple_rnn = SimpleRNN("simple_rnn")
+#  outs, pre_hiddens = simple_rnn(inp)
+#  param_grads = fluid.backward.append_backward(outs[3])
+#  exe = fluid.Executor(fluid.CPUPlace())
+#  exe.run(fluid.default_startup_program())
+#  static_out, static_grad_h2o, static_grad_h2h, static_grad_i2h = exe.run(
+#  feed={inp.name: np_inp},
+#  fetch_list=[
+#  outs[3].name, param_grads[0][1].name,
+#  param_grads[1][1].name, param_grads[2][1].name
+#  ])
+#  self.assertTrue(np.allclose(dy_out, static_out))
+#  self.assertTrue(np.allclose(dy_grad_h2o, static_grad_h2o))
+#  self.assertTrue(np.allclose(dy_grad_h2h, static_grad_h2h))
+#  self.assertTrue(np.allclose(dy_grad_i2h, static_grad_i2h))
+
+
+class TestImperativePyLayer(unittest.TestCase):
+    def test_pylayer_func_id(self):
         with fluid.imperative.guard():
-            inputs = []
-            for _ in range(10):
-                inputs.append(fluid.imperative.base.to_variable(x))
-            ret = fluid.layers.sums(inputs)
-            loss = fluid.layers.reduce_sum(ret)
-            loss._backward()
-            self.assertTrue(np.allclose(ret._numpy(), x * 10))
-            self.assertTrue(np.allclose(inputs[0]._gradient(), x))
-
-    #  def test_layer(self):
-    #  with fluid.imperative.guard():
-    #  cl = core.Layer()
-    #  cl.forward([])
-    #  l = fluid.imperative.Layer("l")
-    #  self.assertRaises(NotImplementedError, l.forward, [])
-
-    #  def test_pylayer_func_id(self):
-
-    #  with fluid.imperative.guard():
-
-    #  class PyLayer1(fluid.imperative.PyLayer):
-    #  def __init__(self):
-    #  super(PyLayer1, self).__init__()
-
-    #  @staticmethod
-    #  def forward(input):
-    #  return input
-
-    #  @staticmethod
-    #  def backward(input):
-    #  return input
-
-    #  class PyLayer2(fluid.imperative.PyLayer):
-    #  def __init__(self):
-    #  super(PyLayer2, self).__init__()
-
-    #  @staticmethod
-    #  def forward(input):
-    #  return input
-
-    #  @staticmethod
-    #  def backward(input):
-    #  return input
-
-    #  py_layer_1 = PyLayer1()
-    #  py_layer_2 = PyLayer2()
-    #  py_layer_1(fluid.imperative.base.to_variable(np.ones([2, 2])))
-    #  py_layer_2(fluid.imperative.base.to_variable(np.ones([2, 2])))
-    #  id = py_layer_1.forward_id
-    #  self.assertGreater(id, 0)
-    #  self.assertEqual(py_layer_1.backward_id, id + 1)
-    #  self.assertEqual(py_layer_2.forward_id, id + 2)
-    #  self.assertEqual(py_layer_2.backward_id, id + 3)
-    #  py_layer_1(fluid.imperative.base.to_variable(np.ones([2, 2])))
-    #  self.assertEqual(py_layer_1.forward_id, id)
-
-    #  def test_pylayer(self):
-    #  np_inp = np.ones([2, 2], np.float32)
-    #  with fluid.imperative.guard():
-    #  my_py_layer = MyPyLayer()
-    #  var_inp = fluid.imperative.base.to_variable(np_inp)
-    #  outs = my_py_layer(var_inp)
-    #  dy_out = np.sum(outs[0]._numpy())
-    #  outs[0]._backward()
-    #  dy_grad = var_inp._gradient()
-
-    #  with new_program_scope():
-    #  inp = fluid.layers.data(
-    #  name="inp", shape=[2, 2], append_batch_size=False)
-    #  # TODO(panyx0718): Paddle doesn't diff against data `inp`.
-    #  x1 = inp * 1
-    #  # TODO(panyx0718): If reduce_sum is skipped, the result is wrong.
-    #  x = fluid.layers.reduce_sum(fluid.layers.tanh(x1))
-    #  param_grads = fluid.backward.append_backward(
-    #  x, parameter_list=[x1.name])[0]
-    #  exe = fluid.Executor(fluid.CPUPlace(
-    #  ) if not core.is_compiled_with_cuda() else fluid.CUDAPlace(0))
-
-    #  static_out, static_grad = exe.run(
-    #  feed={inp.name: np_inp},
-    #  fetch_list=[x.name, param_grads[1].name])
-
-    #  self.assertTrue(np.allclose(dy_out, static_out))
-    #  self.assertTrue(np.allclose(dy_grad, static_grad))
-
-    #  def test_layer_in_out(self):
-    #  np_inp = np.array([1.0, 2.0, -1.0], dtype=np.float32)
-    #  with fluid.imperative.guard():
-    #  var_inp = fluid.imperative.base.to_variable(np_inp)
-    #  l = MyLayer("my_layer")
-    #  x = l(var_inp)[0]
-    #  self.assertIsNotNone(x)
-    #  dy_out = x._numpy()
-    #  x._backward()
-    #  dy_grad = l._x_for_debug._gradient()
-
-    #  with new_program_scope():
-    #  inp = fluid.layers.data(
-    #  name="inp", shape=[3], append_batch_size=False)
-    #  l = MyLayer("my_layer")
-    #  x = l(inp)[0]
-    #  param_grads = fluid.backward.append_backward(
-    #  x, parameter_list=[l._x_for_debug.name])[0]
-    #  exe = fluid.Executor(fluid.CPUPlace(
-    #  ) if not core.is_compiled_with_cuda() else fluid.CUDAPlace(0))
-
-    #  static_out, static_grad = exe.run(
-    #  feed={inp.name: np_inp},
-    #  fetch_list=[x.name, param_grads[1].name])
-
-    #  self.assertTrue(np.allclose(dy_out, static_out))
-    #  self.assertTrue(np.allclose(dy_grad, static_grad))
-
-    #  def test_mlp(self):
-    #  np_inp = np.array([[1.0, 2.0], [3.0, 4.0]], dtype=np.float32)
-    #  with fluid.imperative.guard():
-    #  var_inp = fluid.imperative.base.to_variable(np_inp)
-    #  mlp = MLP("mlp")
-    #  out = mlp(var_inp)
-    #  dy_out = out._numpy()
-    #  out._backward()
-    #  dy_grad = mlp._fc1._w._gradient()
-
-    #  with new_program_scope():
-    #  inp = fluid.layers.data(
-    #  name="inp", shape=[2, 2], append_batch_size=False)
-    #  mlp = MLP("mlp")
-    #  out = mlp(inp)
-    #  param_grads = fluid.backward.append_backward(
-    #  out, parameter_list=[mlp._fc1._w.name])[0]
-    #  exe = fluid.Executor(fluid.CPUPlace(
-    #  ) if not core.is_compiled_with_cuda() else fluid.CUDAPlace(0))
-    #  exe.run(fluid.default_startup_program())
-
-    #  static_out, static_grad = exe.run(
-    #  feed={inp.name: np_inp},
-    #  fetch_list=[out.name, param_grads[1].name])
-
-    #  self.assertTrue(np.allclose(dy_out, static_out))
-    #  self.assertTrue(np.allclose(dy_grad, static_grad))
-
-    #  params = mlp.parameters(True)
-    #  self.assertEqual("mlp/MLP_0/FC_0_0.w_0", params[0].name)
-    #  self.assertEqual("mlp/MLP_0/FC_0_0.b_0", params[1].name)
-    #  self.assertEqual("mlp/MLP_0/FC_1_0.w_0", params[2].name)
-    #  self.assertEqual("mlp/MLP_0/FC_1_0.b_0", params[3].name)
-    #  self.assertEqual(len(params), 4)
-
-    #  sublayers = mlp.sublayers(True)
-    #  self.assertEqual(mlp._fc1, sublayers[0])
-    #  self.assertEqual(mlp._fc2, sublayers[1])
-    #  self.assertEqual(len(sublayers), 2)
-
-    #  def test_rnn(self):
-    #  np_inp = np.array([[1.0, 2.0, 3.0], [4.0, 5.0, 6.0], [7.0, 8.0, 9.0],
-    #  [10.0, 11.0, 12.0]])
-    #  np_inp = np_inp.reshape((1, 4, 3))
-    #  np_inp = np_inp.astype(np.float32)
-    #  with fluid.imperative.guard():
-    #  var_inp = fluid.imperative.base.to_variable(np_inp)
-    #  var_inp = fluid.layers.reshape(var_inp, shape=[1, 4, 3])
-    #  simple_rnn = SimpleRNN("simple_rnn")
-    #  outs, pre_hiddens = simple_rnn.forward(var_inp)
-    #  dy_out = outs[3]._numpy()
-    #  outs[3]._backward()
-    #  dy_grad_h2o = simple_rnn._cell._h2o_w._gradient()
-    #  dy_grad_h2h = simple_rnn._cell._h2h_w._gradient()
-    #  dy_grad_i2h = simple_rnn._cell._i2h_w._gradient()
-
-    #  with new_program_scope():
-    #  inp = fluid.layers.data(
-    #  name="inp", shape=[1, 4, 3], append_batch_size=False)
-    #  simple_rnn = SimpleRNN("simple_rnn")
-    #  outs, pre_hiddens = simple_rnn(inp)
-    #  param_grads = fluid.backward.append_backward(outs[3])
-    #  exe = fluid.Executor(fluid.CPUPlace())
-    #  exe.run(fluid.default_startup_program())
-    #  static_out, static_grad_h2o, static_grad_h2h, static_grad_i2h = exe.run(
-    #  feed={inp.name: np_inp},
-    #  fetch_list=[
-    #  outs[3].name, param_grads[0][1].name,
-    #  param_grads[1][1].name, param_grads[2][1].name
-    #  ])
-    #  self.assertTrue(np.allclose(dy_out, static_out))
-    #  self.assertTrue(np.allclose(dy_grad_h2o, static_grad_h2o))
-    #  self.assertTrue(np.allclose(dy_grad_h2h, static_grad_h2h))
-    #  self.assertTrue(np.allclose(dy_grad_i2h, static_grad_i2h))
+
+            class PyLayer1(fluid.imperative.PyLayer):
+                def __init__(self):
+                    super(PyLayer1, self).__init__()
+
+                @staticmethod
+                def forward(input):
+                    return input
+
+                @staticmethod
+                def backward(input):
+                    return input
+
+            class PyLayer2(fluid.imperative.PyLayer):
+                def __init__(self):
+                    super(PyLayer2, self).__init__()
+
+                @staticmethod
+                def forward(input):
+                    return input
+
+                @staticmethod
+                def backward(input):
+                    return input
+
+            py_layer_1 = PyLayer1()
+            py_layer_2 = PyLayer2()
+            py_layer_1(fluid.imperative.base.to_variable(np.ones([2, 2])))
+            py_layer_2(fluid.imperative.base.to_variable(np.ones([2, 2])))
+            id = py_layer_1.forward_id
+            self.assertGreater(id, 0)
+            self.assertEqual(py_layer_1.backward_id, id + 1)
+            self.assertEqual(py_layer_2.forward_id, id + 2)
+            self.assertEqual(py_layer_2.backward_id, id + 3)
+            py_layer_1(fluid.imperative.base.to_variable(np.ones([2, 2])))
+            self.assertEqual(py_layer_1.forward_id, id)
+
+    def test_pylayer(self):
+        np_inp = np.ones([2, 2], np.float32)
+        with fluid.imperative.guard():
+            my_py_layer = MyPyLayer()
+            var_inp = fluid.imperative.base.to_variable(np_inp)
+            outs = my_py_layer(var_inp)
+            dy_out = np.sum(outs[0]._numpy())
+            outs[0]._backward()
+            dy_grad = var_inp._gradient()
+
+        with new_program_scope():
+            inp = fluid.layers.data(
+                name="inp", shape=[2, 2], append_batch_size=False)
+            # TODO(panyx0718): Paddle doesn't diff against data `inp`.
+            x1 = inp * 1
+            # TODO(panyx0718): If reduce_sum is skipped, the result is wrong.
+            x = fluid.layers.reduce_sum(fluid.layers.tanh(x1))
+            param_grads = fluid.backward.append_backward(
+                x, parameter_list=[x1.name])[0]
+            exe = fluid.Executor(fluid.CPUPlace(
+            ) if not core.is_compiled_with_cuda() else fluid.CUDAPlace(0))
+
+            static_out, static_grad = exe.run(
+                feed={inp.name: np_inp},
+                fetch_list=[x.name, param_grads[1].name])
+
+        self.assertTrue(np.allclose(dy_out, static_out))
+        self.assertTrue(np.allclose(dy_grad, static_grad))
 
 
 if __name__ == '__main__':