update layers used in mnist dygraph model, test=develop (#21947)

* update layers used in mnist dygraph model, test=develop

* fix import issue, test=develop

* add dygraph utils, test=develop

* add unittest, test=develop

python/paddle/fluid/dygraph/dygraph_utils.py

+# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from .. import core
+from ..framework import dygraph_only
+
+
+@dygraph_only
+def _append_activation_in_dygraph(input,
+                                  act=None,
+                                  use_cudnn=False,
+                                  use_mkldnn=False):
+    """Append activation in dygraph mode.
+
+        Args:
+            input: the input variable. 
+            act: activation type
+            use_mkldnn: if use mkldnn
+            use_cudnn: if use cudnn
+
+    Return the Variable after append activation
+    """
+    if not act:
+        return input
+
+    attrs = {'use_cudnn': use_cudnn, 'use_mkldnn': use_mkldnn}
+    inputs = {"X": [input]}
+    act_op = getattr(core.ops, act)
+    res = act_op(inputs, attrs)
+    return res['Out'][0]
+
+
+@dygraph_only
+def _append_bias_in_dygraph(
+        input,
+        bias=None,
+        axis=1, ):
+    """Append bias operation in dygraph mode.
+
+        Args:
+            input: the input variable. 
+            bias:  the bias to be appended
+            axis:  the axis to perform operation
+
+    Return the Variable after bias operation
+    """
+    if not bias:
+        return input
+
+    attrs = {'axis': axis}
+    inputs = {'X': [input], 'Y': [bias]}
+    outs = core.ops.elementwise_add(inputs, attrs)
+    return outs['Out'][0]

python/paddle/fluid/dygraph/nn.py

@@ -15,9 +15,9 @@
 from __future__ import print_function
 
 from six.moves import reduce
-
 from .. import core
 from ..layers import utils
+from ..dygraph import dygraph_utils
 from . import layers
 from ..framework import Variable, in_dygraph_mode, OpProtoHolder, Parameter, _dygraph_tracer_
 from ..param_attr import ParamAttr
@@ -235,6 +235,29 @@ class Conv2D(layers.Layer):
         self._bias_param = value
 
     def forward(self, input):
+        inputs = {
+            'Input': [input],
+            'Filter': [self._filter_param],
+        }
+        attrs = {
+            'strides': self._stride,
+            'paddings': self._padding,
+            'dilations': self._dilation,
+            'groups': self._groups if self._groups else 1,
+            'use_cudnn': self._use_cudnn,
+            'use_mkldnn': False,
+        }
+
+        if in_dygraph_mode():
+            outs = core.ops.conv2d(inputs, attrs)
+            pre_bias = outs['Output'][0]
+
+            pre_act = dygraph_utils._append_bias_in_dygraph(pre_bias,
+                                                            self._bias_param, 1)
+
+            return dygraph_utils._append_activation_in_dygraph(pre_act,
+                                                               self._act)
+
         pre_bias = self._helper.create_variable_for_type_inference(
             dtype=self._dtype)
 
@@ -245,14 +268,7 @@ class Conv2D(layers.Layer):
                 'Filter': self._filter_param,
             },
             outputs={"Output": pre_bias},
-            attrs={
-                'strides': self._stride,
-                'paddings': self._padding,
-                'dilations': self._dilation,
-                'groups': self._groups if self._groups else 1,
-                'use_cudnn': self._use_cudnn,
-                'use_mkldnn': False,
-            })
+            attrs=attrs)
 
         if self._bias_param is not None:
             pre_act = self._helper.create_variable_for_type_inference(
@@ -858,13 +874,7 @@ class Pool2D(layers.Layer):
         self._l_type = 'pool2d'
 
     def forward(self, input):
-        pool_out = self._helper.create_variable_for_type_inference(self._dtype)
-
-        self._helper.append_op(
-            type=self._l_type,
-            inputs={"X": input},
-            outputs={"Out": pool_out},
-            attrs={
+        attrs = {
             "pooling_type": self._pool_type,
             "ksize": self._pool_size,
             "global_pooling": self._global_pooling,
@@ -874,7 +884,20 @@ class Pool2D(layers.Layer):
             "ceil_mode": self._ceil_mode,
             "use_mkldnn": False,
             "exclusive": self._exclusive,
-            })
+        }
+        inputs = {"X": [input]}
+
+        if in_dygraph_mode():
+            outs = core.ops.pool2d(inputs, attrs)
+            return outs['Out'][0]
+
+        pool_out = self._helper.create_variable_for_type_inference(self._dtype)
+
+        self._helper.append_op(
+            type=self._l_type,
+            inputs={"X": input},
+            outputs={"Out": pool_out},
+            attrs=attrs)
         return pool_out
 
 
@@ -948,17 +971,26 @@ class Linear(layers.Layer):
             shape=[output_dim], attr=bias_attr, dtype=dtype, is_bias=True)
 
     def forward(self, input):
-        tmp = self._helper.create_variable_for_type_inference(self._dtype)
-        self._helper.append_op(
-            type="matmul",
-            inputs={"X": input,
-                    "Y": self.weight},
-            outputs={"Out": tmp},
-            attrs={
+        attrs = {
             "transpose_X": False,
             "transpose_Y": False,
             "alpha": 1,
-            })
+        }
+        inputs = {"X": [input], "Y": [self.weight]}
+
+        if in_dygraph_mode():
+            outs = core.ops.matmul(inputs, attrs)
+            pre_bias = outs['Out'][0]
+
+            pre_act = dygraph_utils._append_bias_in_dygraph(
+                pre_bias, self.bias, axis=len(input.shape) - 1)
+
+            return dygraph_utils._append_activation_in_dygraph(pre_act,
+                                                               self._act)
+
+        tmp = self._helper.create_variable_for_type_inference(self._dtype)
+        self._helper.append_op(
+            type="matmul", inputs=inputs, outputs={"Out": tmp}, attrs=attrs)
         if self.bias:
             pre_activation = self._helper.create_variable_for_type_inference(
                 dtype=self._dtype)
@@ -1548,6 +1580,7 @@ class Embedding(layers.Layer):
             'remote_prefetch': self._remote_prefetch,
             'padding_idx': self._padding_idx
         }
+
         if in_dygraph_mode():
             inputs = {'Ids': [input], 'W': [self._w]}
             outs = core.ops.lookup_table_v2(inputs, attrs)

python/paddle/fluid/layers/loss.py

@@ -234,36 +234,46 @@ def cross_entropy(input, label, soft_label=False, ignore_index=kIgnoreIndex):
             predict = fluid.layers.fc(input=x, size=class_num, act='softmax')
             cost = fluid.layers.cross_entropy(input=predict, label=label)
     """
+    if not soft_label:
+        return cross_entropy2(input, label, ignore_index)
+
+    inputs = {'X': [input], 'Label': [label]}
+    attrs = {"soft_label": soft_label, "ignore_index": ignore_index}
+
+    if in_dygraph_mode():
+        outs = core.ops.cross_entropy(inputs, attrs)
+        return outs['Y'][0]
 
     check_type_and_dtype(input, 'input', Variable,
                          ['float16', 'float32', 'float64'], 'cross_entropy')
-    if not soft_label:
-        return cross_entropy2(input, label, ignore_index)
     helper = LayerHelper('cross_entropy', **locals())
     out = helper.create_variable_for_type_inference(dtype=input.dtype)
     helper.append_op(
-        type='cross_entropy',
-        inputs={'X': [input],
-                'Label': [label]},
-        outputs={'Y': [out]},
-        attrs={"soft_label": soft_label,
-               "ignore_index": ignore_index})
+        type='cross_entropy', inputs=inputs, outputs={'Y': [out]}, attrs=attrs)
     return out
 
 
 def cross_entropy2(input, label, ignore_index=kIgnoreIndex):
+    inputs = {'X': [input], 'Label': [label]}
+    attrs = {'ignore_index': ignore_index}
+
+    if in_dygraph_mode():
+        outs = core.ops.cross_entropy2(inputs, attrs)
+        return outs['Y'][0]
+
+    check_type_and_dtype(input, 'input', Variable,
+                         ['float16', 'float32', 'float64'], 'cross_entropy2')
     helper = LayerHelper('cross_entropy2', **locals())
     out = helper.create_variable_for_type_inference(dtype=input.dtype)
     xshape = helper.create_variable_for_type_inference(dtype=input.dtype)
     match_x = helper.create_variable_for_type_inference(dtype=input.dtype)
     helper.append_op(
         type='cross_entropy2',
-        inputs={'X': [input],
-                'Label': [label]},
+        inputs=inputs,
         outputs={'Y': [out],
                  'MatchX': [match_x],
                  'XShape': [xshape]},
-        attrs={'ignore_index': ignore_index})
+        attrs=attrs)
     return out
 
 

python/paddle/fluid/layers/metric_op.py

@@ -20,7 +20,8 @@ from __future__ import print_function
 import warnings
 from ..layer_helper import LayerHelper
 from ..initializer import Normal, Constant
-from ..framework import Variable
+from ..framework import Variable, in_dygraph_mode, _varbase_creator
+from .. import core
 from ..param_attr import ParamAttr
 from . import nn
 from ..data_feeder import check_type_and_dtype
@@ -71,6 +72,26 @@ def accuracy(input, label, k=1, correct=None, total=None):
 
             #[array([0.6666667], dtype=float32)]
     """
+    if in_dygraph_mode():
+        topk_out, topk_indices = nn.topk(input, k=k)
+        inputs = {
+            "Out": [topk_out],
+            "Indices": [topk_indices],
+            "Label": [label]
+        }
+        acc_out = _varbase_creator(dtype="float32")
+        if correct is None:
+            correct = _varbase_creator(dtype="int64")
+        if total is None:
+            total = _varbase_creator(dtype="int64")
+        outputs = {
+            "Accuracy": [acc_out],
+            "Correct": [correct],
+            "Total": [total]
+        }
+        outs = core.ops.accuracy(inputs, {}, outputs)
+        return outs['Accuracy'][0]
+
     helper = LayerHelper("accuracy", **locals())
     check_type_and_dtype(input, 'input', Variable,
                          ['float16', 'float32', 'float64'], 'accuracy')

python/paddle/fluid/layers/nn.py

@@ -26,6 +26,7 @@ from ..layer_helper import LayerHelper
 from ..initializer import Normal, Constant, NumpyArrayInitializer
 from ..framework import Variable, OpProtoHolder, in_dygraph_mode, dygraph_only, _dygraph_tracer, default_main_program
 from ..dygraph import base
+from ..dygraph import dygraph_utils
 from ..param_attr import ParamAttr
 from .layer_function_generator import autodoc, templatedoc, _generate_doc_string_
 from .tensor import concat, assign, fill_constant, zeros
@@ -186,28 +187,6 @@ __all__ = [
 ]
 
 
-@dygraph_only
-def _append_activation_in_dygraph(input,
-                                  act=None,
-                                  use_cudnn=False,
-                                  use_mkldnn=False):
-    """Append activation in dygraph mode.
-
-        Args:
-            input: the input variable. 
-            act: activation type
-            use_mkldnn: if use mkldnn
-            use_cudnn: if use cudnn
-
-    Return the Variable after append activation
-    """
-    attrs = {'use_cudnn': use_cudnn, 'use_mkldnn': use_mkldnn}
-    inputs = {"X": [input]}
-    act_op = getattr(core.ops, act)
-    res = act_op(inputs, attrs)
-    return res['Out'][0]
-
-
 @dygraph_only
 def _elementwise_op_in_dygraph(x,
                                y,
@@ -219,13 +198,10 @@ def _elementwise_op_in_dygraph(x,
     inputs = {'X': [x], 'Y': [y]}
     op = getattr(core.ops, op_name)
     outs = op(inputs, attrs)
-    pre_act = outs['Out'][0]
+    out = outs['Out'][0]
 
-    if not act:
-        return pre_act
-    else:
-        return _append_activation_in_dygraph(
-            pre_act, act, use_mkldnn=use_mkldnn)
+    return dygraph_utils._append_activation_in_dygraph(
+        out, act, use_mkldnn=use_mkldnn)
 
 
 def fc(input,
@@ -4736,15 +4712,23 @@ def topk(input, k, name=None):
             vk_values, vk_indices = layers.topk(input2, k=vk) #vk_values.shape=[None, 13, k], vk_indices.shape=[None, 13, k]
 
     """
-    helper = LayerHelper("top_k", **locals())
-    values = helper.create_variable_for_type_inference(dtype=input.dtype)
-    indices = helper.create_variable_for_type_inference(dtype="int64")
     inputs = {"X": [input]}
-    attrs = None
+    attrs = {}
     if isinstance(k, Variable):
-        inputs['K'] = k
+        inputs['K'] = [k]
     else:
         attrs = {'k': k}
+
+    if in_dygraph_mode():
+        outs = core.ops.top_k(inputs, attrs)
+        outs['Out'][0].stop_gradient = True
+        outs['Indices'][0].stop_gradient = True
+        return outs['Out'][0], outs['Indices'][0]
+
+    helper = LayerHelper("top_k", **locals())
+    values = helper.create_variable_for_type_inference(dtype=input.dtype)
+    indices = helper.create_variable_for_type_inference(dtype="int64")
+
     helper.append_op(
         type="top_k",
         inputs=inputs,
@@ -5594,11 +5578,8 @@ def reshape(x, shape, actual_shape=None, act=None, inplace=False, name=None):
 
         inputs = {'X': [x]}
         outs = core.ops.reshape2(inputs, attrs)
-        pre_act = outs['Out'][0]
-        if act is None:
-            return pre_act
-        else:
-            return _append_activation_in_dygraph(pre_act, act)
+        out = outs['Out'][0]
+        return dygraph_utils._append_activation_in_dygraph(out, act)
 
     check_type_and_dtype(x, 'x', Variable,
                          ['float16', 'float32', 'float64', 'int32', 'int64'],
@@ -11333,6 +11314,10 @@ def mean(x, name=None):
                 name='data', shape=[2, 3], dtype='float32')
             mean = fluid.layers.mean(input)
     """
+    if in_dygraph_mode():
+        inputs = {"X": [x]}
+        outs = core.ops.mean(inputs)
+        return outs['Out'][0]
 
     helper = LayerHelper("mean", **locals())
     check_type_and_dtype(x, 'x', Variable, ['float16', 'float32', 'float64'],

python/paddle/fluid/optimizer.py

@@ -1712,20 +1712,20 @@ class AdamOptimizer(Optimizer):
 
         # create the adam optimize op
         inputs = {
-            "Param": param_and_grad[0],
-            "Grad": param_and_grad[1],
-            "LearningRate": self._create_param_lr(param_and_grad),
-            "Moment1": moment1,
-            "Moment2": moment2,
-            "Beta1Pow": beta1_pow_acc,
-            "Beta2Pow": beta2_pow_acc
+            "Param": [param_and_grad[0]],
+            "Grad": [param_and_grad[1]],
+            "LearningRate": [self._create_param_lr(param_and_grad)],
+            "Moment1": [moment1],
+            "Moment2": [moment2],
+            "Beta1Pow": [beta1_pow_acc],
+            "Beta2Pow": [beta2_pow_acc]
         }
         outputs = {
-            "ParamOut": param_and_grad[0],
-            "Moment1Out": moment1,
-            "Moment2Out": moment2,
-            "Beta1PowOut": beta1_pow_acc,
-            "Beta2PowOut": beta2_pow_acc,
+            "ParamOut": [param_and_grad[0]],
+            "Moment1Out": [moment1],
+            "Moment2Out": [moment2],
+            "Beta1PowOut": [beta1_pow_acc],
+            "Beta2PowOut": [beta2_pow_acc],
         }
         attrs = {
             "epsilon": self._epsilon,
@@ -1742,6 +1742,10 @@ class AdamOptimizer(Optimizer):
         else:
             attrs['beta2'] = self._beta2
 
+        if framework.in_dygraph_mode():
+            core.ops.adam(inputs, attrs, outputs)
+            return None
+
         adam_op = block.append_op(
             type=self.type,
             inputs=inputs,

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

@@ -284,7 +284,7 @@ class TestDygraphResnet(unittest.TestCase):
                 if traced_layer is not None:
                     resnet.eval()
                     traced_layer._switch(is_test=True)
-                    out_dygraph = resnet([img])
+                    out_dygraph = resnet(img)
                     out_static = traced_layer([img])
                     traced_layer._switch(is_test=False)
                     helper.assertEachVar(out_dygraph, out_static)

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

@@ -1627,6 +1627,34 @@ class TestLayer(LayerTest):
             self.assertIsNotNone(out2)
             self.assertIsNotNone(out3)
 
+    def test_accuracy(self):
+        x = np.random.rand(3, 32, 32).astype("float32")
+        y = np.array([[1], [0], [1]])
+        with self.static_graph():
+            data = fluid.data(name="input", shape=[-1, 32, 32], dtype="float32")
+            label = fluid.data(name="label", shape=[-1, 1], dtype="int")
+            fc_out = fluid.layers.fc(input=data, size=10)
+            predict = fluid.layers.softmax(input=fc_out)
+            result = fluid.layers.accuracy(input=predict, label=label, k=5)
+            place = fluid.CPUPlace()
+            exe = fluid.Executor(place)
+
+            exe.run(fluid.default_startup_program())
+            x = np.random.rand(3, 32, 32).astype("float32")
+            y = np.array([[1], [0], [1]])
+            static_out = exe.run(feed={"input": x,
+                                       "label": y},
+                                 fetch_list=result[0])
+
+        with self.dynamic_graph():
+            data = base.to_variable(x)
+            label = base.to_variable(y)
+            fc_out = fluid.layers.fc(data, size=10)
+            predict = fluid.layers.softmax(fc_out)
+            dynamic_out = fluid.layers.accuracy(input=predict, label=label, k=5)
+
+        self.assertTrue(np.array_equal(static_out[0], dynamic_out.numpy()))
+
 
 class TestBook(LayerTest):
     def test_all_layers(self):