add branch tests for pool and fc

paddle/gserver/tests/mkldnn_branches_fc.conf

+# Copyright (c) 2017 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 paddle.trainer_config_helpers import *
+
+settings(batch_size=16)
+channels = get_config_arg("channels", int, 2)
+
+def two_fc(input, group_name):
+  out1 = fc_layer(input=input,
+            name=group_name+'_fc1',
+            size=channels,
+            bias_attr=False,
+            act=LinearActivation())
+
+  out2 = fc_layer(input=input,
+            name=group_name+'_fc2',
+            size=channels,
+            bias_attr=False,
+            act=LinearActivation())
+  return out1, out2
+
+data = data_layer(name ="input", size=channels*16*16)
+
+conv = img_conv_layer(input=data,
+            num_channels=channels,
+            filter_size=3,
+            num_filters=channels,
+            padding=1,
+            shared_biases=True,
+            act=LinearActivation())
+
+pool = img_pool_layer(input=conv,
+            pool_size=3,
+            stride=2,
+            padding=1,
+            pool_type=AvgPooling())
+
+a1, a2 = two_fc(input=pool, group_name='a')
+
+concat = concat_layer(input=[a1, a2])
+
+b1, b2 = two_fc(input=pool, group_name='b')
+
+addto = addto_layer(input=[b1, b2])
+
+outputs([concat, addto])

paddle/gserver/tests/mkldnn_branches_pool.conf

+# Copyright (c) 2017 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 paddle.trainer_config_helpers import *
+
+settings(batch_size=16)
+channels = get_config_arg("channels", int, 2)
+
+def two_pool(input, group_name):
+  out1 = img_pool_layer(input=input,
+            name=group_name+'_pool1',
+            pool_size=3,
+            stride=2,
+            padding=0,
+            pool_type=MaxPooling())
+
+  out2 = img_pool_layer(input=input,
+            name=group_name+'_pool2',
+            pool_size=5,
+            stride=2,
+            padding=1,
+            pool_type=MaxPooling())
+  return out1, out2
+
+data = data_layer(name ="input", size=channels*16*16)
+
+conv = img_conv_layer(input=data,
+            num_channels=channels,
+            filter_size=3,
+            num_filters=channels,
+            padding=1,
+            shared_biases=True,
+            act=LinearActivation())
+
+pool = img_pool_layer(input=conv,
+            pool_size=3,
+            stride=1,
+            padding=1,
+            pool_type=AvgPooling())
+
+a1, a2 = two_pool(input=pool, group_name='a')
+
+concat = concat_layer(input=[a1, a2])
+
+b1, b2 = two_pool(input=pool, group_name='b')
+
+addto = addto_layer(input=[b1, b2])
+
+outputs([concat, addto])

paddle/gserver/tests/test_MKLDNN.cpp

@@ -250,7 +250,7 @@ TEST(MKLDNNActivation, Activations) {
 
 DECLARE_string(config_args);
 TEST(MKLDNNLayer, branches) {
-  std::vector<std::string> cases = {"conv"};
+  std::vector<std::string> cases = {"conv", "pool", "fc"};
   for (auto name : cases) {
     std::string config = "./gserver/tests/mkldnn_branches_" + name + ".conf";
     for (auto channels : {2, 32}) {