diff --git a/paddle/fluid/inference/anakin/convert/CMakeLists.txt b/paddle/fluid/inference/anakin/convert/CMakeLists.txt
index da9ffa5bbf6bd3bbfc679ed540d07739ba04b12f..9cfe6671ff720e37450ff71b9822df78054147c9 100644
--- a/paddle/fluid/inference/anakin/convert/CMakeLists.txt
+++ b/paddle/fluid/inference/anakin/convert/CMakeLists.txt
@@ -1,7 +1,5 @@
 cc_library(anakin_op_converter SRCS fc.cc conv2d.cc conv2d_fusion.cc
- elementwise.cc activation.cc pool2d.cc concat.cc split.cc relu.cc  softmax.cc
-batch_norm.cc reshape.cc flatten.cc transpose.cc density_prior_box.cc
-detection_out.cc scale.cc DEPS anakin_engine framework_proto scope op_registry)
+ elementwise.cc activation.cc pool2d.cc concat.cc split.cc relu.cc  softmax.cc batch_norm.cc reshape.cc flatten.cc transpose.cc density_prior_box.cc detection_out.cc scale.cc dropout.cc im2sequence.cc sum.cc DEPS anakin_engine framework_proto scope op_registry)
 
 cc_test(test_anakin_fc SRCS test_fc_op.cc DEPS anakin_op_converter mul_op)
 cc_test(test_anakin_conv2d SRCS test_conv2d_op.cc DEPS anakin_op_converter conv_op im2col vol2col depthwise_conv)
@@ -9,11 +7,13 @@ cc_test(test_anakin_activation SRCS test_activation_op.cc DEPS activation_op ana
 cc_test(test_anakin_pool2d SRCS test_pool2d_op.cc DEPS anakin_op_converter pool_op pooling)
 cc_test(test_anakin_concat SRCS test_concat_op.cc DEPS anakin_op_converter concat_op concat_and_split)
 cc_test(test_anakin_split SRCS test_split_op.cc DEPS anakin_op_converter split_op concat_and_split)
-cc_test(test_anakin_elementwise SRCS test_elementwise_op.cc DEPS anakin_op_converter elementwise_add_op)
+cc_test(test_anakin_elementwise SRCS test_elementwise_op.cc DEPS anakin_op_converter elementwise_add_op elementwise_mul_op)
 cc_test(test_anakin_relu SRCS test_relu_op.cc DEPS activation_op anakin_op_converter SERIAL)
 cc_test(test_anakin_softmax SRCS test_softmax_op.cc DEPS anakin_op_converter softmax_op softmax)
 cc_test(test_anakin_reshape SRCS test_reshape_op.cc DEPS anakin_op_converter reshape_op)
 cc_test(test_anakin_flatten SRCS test_flatten_op.cc DEPS anakin_op_converter flatten_op reshape_op)
 cc_test(test_anakin_transpose SRCS test_transpose_op.cc DEPS anakin_op_converter transpose_op)
 cc_test(test_anakin_batch_norm SRCS test_batch_norm_op.cc DEPS anakin_op_converter batch_norm_op)
-cc_test(test_anakin_scale SRCS test_scale_op.cc DEPS anakin_op_converter scale_op math_function)
+cc_test(test_anakin_dropout SRCS test_dropout_op.cc DEPS anakin_op_converter dropout_op)
+cc_test(test_anakin_im2sequence SRCS test_im2sequence_op.cc DEPS anakin_op_converter im2sequence_op im2col)
+cc_test(test_anakin_sum SRCS test_sum_op.cc DEPS  anakin_op_converter sum_op selected_rows_functor)
diff --git a/paddle/fluid/inference/anakin/convert/dropout.cc b/paddle/fluid/inference/anakin/convert/dropout.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ed6d7f7561cb78666855146864b33254026926ef
--- /dev/null
+++ b/paddle/fluid/inference/anakin/convert/dropout.cc
@@ -0,0 +1,66 @@
+// 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.
+
+#include "paddle/fluid/inference/anakin/convert/dropout.h"
+#include <algorithm>
+#include <string>
+#include <vector>
+
+using anakin::graph::GraphGlobalMem;
+using anakin::AK_FLOAT;
+using anakin::Precision;
+using anakin::saber::NV;
+using anakin::saber::X86;
+using anakin::saber::Shape;
+using anakin::PBlock;
+using anakin::PTuple;
+
+namespace paddle {
+namespace inference {
+namespace anakin {
+
+void DropoutOpConverter::operator()(const framework::proto::OpDesc &op,
+                                    const framework::Scope &scope,
+                                    bool test_mode) {
+  framework::OpDesc op_desc(op, nullptr);
+  PADDLE_ENFORCE_EQ(op_desc.Input("X").size(), 1);
+  PADDLE_ENFORCE_EQ(op_desc.Output("Mask").size(), 1);
+  PADDLE_ENFORCE_EQ(op_desc.Output("Out").size(), 1);
+
+  auto x_name = op_desc.Input("X").front();
+  auto out_name = op_desc.Output("Out").front();
+  auto op_name = op_desc.Type() + ":" + op_desc.Output("Out").front();
+
+  engine_->AddOp(op_name, "Scale", {x_name}, {out_name});
+
+  auto dropout_prob = boost::get<float>(op_desc.GetAttr("dropout_prob"));
+  auto factor = 1 - dropout_prob;
+  Shape shape1(std::vector<int>({1, 1, 1, 1}));
+  auto *weight1 =
+      GraphGlobalMem<NV>::Global().template new_block<AK_FLOAT>(shape1);
+  auto *factor_data = static_cast<float *>(weight1->h_tensor().mutable_data());
+  float weight1_data[] = {factor};
+  std::copy(std::begin(weight1_data), std::end(weight1_data), factor_data);
+
+  engine_->AddOpAttr(op_name, "weight_1", *weight1);
+  engine_->AddOpAttr(op_name, "axis", 0);
+  engine_->AddOpAttr(op_name, "num_axes", 0);
+  engine_->AddOpAttr(op_name, "bias_term", false);
+}
+
+}  // namespace anakin
+}  // namespace inference
+}  // namespace paddle
+
+REGISTER_ANAKIN_OP_CONVERTER(dropout, DropoutOpConverter);
diff --git a/paddle/fluid/inference/anakin/convert/dropout.h b/paddle/fluid/inference/anakin/convert/dropout.h
new file mode 100644
index 0000000000000000000000000000000000000000..2a0fb6e76ac8354d884f9d815a4df785248e6475
--- /dev/null
+++ b/paddle/fluid/inference/anakin/convert/dropout.h
@@ -0,0 +1,37 @@
+// 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.
+
+#pragma once
+
+#include "paddle/fluid/inference/anakin/convert/op_converter.h"
+
+namespace paddle {
+namespace inference {
+namespace anakin {
+
+class DropoutOpConverter : public AnakinOpConverter {
+ public:
+  DropoutOpConverter() = default;
+
+  virtual void operator()(const framework::proto::OpDesc &op,
+                          const framework::Scope &scope,
+                          bool test_mode) override;
+  virtual ~DropoutOpConverter() {}
+
+ private:
+};
+
+}  // namespace anakin
+}  // namespace inference
+}  // namespace paddle
diff --git a/paddle/fluid/inference/anakin/convert/elementwise.cc b/paddle/fluid/inference/anakin/convert/elementwise.cc
index d400e617d87d0a339ffaa3469ad780d2dffbf666..55b12390baf90a9365fd4d197b19a3c5cd675afd 100644
--- a/paddle/fluid/inference/anakin/convert/elementwise.cc
+++ b/paddle/fluid/inference/anakin/convert/elementwise.cc
@@ -35,7 +35,7 @@ void ElementwiseAddOpConverter::operator()(const framework::proto::OpDesc &op,
                                            bool test_mode) {
   framework::OpDesc op_desc(op, nullptr);
   PADDLE_ENFORCE_EQ(op_desc.Input("X").size(), 1);
-  PADDLE_ENFORCE_EQ(op_desc.Input("Y").size(), 1);  // Y is a weight
+  PADDLE_ENFORCE_EQ(op_desc.Input("Y").size(), 1);
   PADDLE_ENFORCE_EQ(op_desc.Output("Out").size(), 1);
 
   auto x_name = op_desc.Input("X").front();
@@ -50,8 +50,39 @@ void ElementwiseAddOpConverter::operator()(const framework::proto::OpDesc &op,
   engine_->AddOpAttr<PTuple<float>>(op_name, "coeff", coeff);
 }
 
+void ElementwiseMulOpConverter::operator()(const framework::proto::OpDesc &op,
+                                           const framework::Scope &scope,
+                                           bool test_mode) {
+  framework::OpDesc op_desc(op, nullptr);
+  PADDLE_ENFORCE_EQ(op_desc.Input("X").size(), 1);
+  PADDLE_ENFORCE_EQ(op_desc.Input("Y").size(), 1);
+  PADDLE_ENFORCE_EQ(op_desc.Output("Out").size(), 1);
+
+  auto x_name = op_desc.Input("X").front();
+  auto y_name = op_desc.Input("Y").front();
+  auto out_name = op_desc.Output("Out").front();
+  auto op_name = op_desc.Type() + ":" + op_desc.Output("Out").front();
+
+  engine_->AddOp(op_name, "Scale", {x_name, y_name}, {out_name});
+  // Fill a number to weight_1 as a placeholder.
+  Shape shape1(std::vector<int>({1, 1, 1, 1}));
+  auto *weight1 =
+      GraphGlobalMem<NV>::Global().template new_block<AK_FLOAT>(shape1);
+  auto *placeholder_data =
+      static_cast<float *>(weight1->h_tensor().mutable_data());
+  float weight1_data[] = {1};
+  std::copy(std::begin(weight1_data), std::end(weight1_data), placeholder_data);
+  engine_->AddOpAttr(op_name, "weight_1", *weight1);
+
+  auto axis = boost::get<int>(op_desc.GetAttr("axis"));
+  engine_->AddOpAttr(op_name, "axis", axis);
+  engine_->AddOpAttr(op_name, "num_axes", 1);
+  engine_->AddOpAttr(op_name, "bias_term", false);
+}
+
 }  // namespace anakin
 }  // namespace inference
 }  // namespace paddle
 
 REGISTER_ANAKIN_OP_CONVERTER(elementwise_add, ElementwiseAddOpConverter);
+REGISTER_ANAKIN_OP_CONVERTER(elementwise_mul, ElementwiseMulOpConverter);
diff --git a/paddle/fluid/inference/anakin/convert/elementwise.h b/paddle/fluid/inference/anakin/convert/elementwise.h
index d41a593803d2a7d91844dc066f53b3de73063e04..47525e41daafcbca0c7c86bad44066f18a3ac79c 100644
--- a/paddle/fluid/inference/anakin/convert/elementwise.h
+++ b/paddle/fluid/inference/anakin/convert/elementwise.h
@@ -32,6 +32,18 @@ class ElementwiseAddOpConverter : public AnakinOpConverter {
  private:
 };
 
+class ElementwiseMulOpConverter : public AnakinOpConverter {
+ public:
+  ElementwiseMulOpConverter() = default;
+
+  virtual void operator()(const framework::proto::OpDesc &op,
+                          const framework::Scope &scope,
+                          bool test_mode) override;
+  virtual ~ElementwiseMulOpConverter() {}
+
+ private:
+};
+
 }  // namespace anakin
 }  // namespace inference
 }  // namespace paddle
diff --git a/paddle/fluid/inference/anakin/convert/im2sequence.cc b/paddle/fluid/inference/anakin/convert/im2sequence.cc
new file mode 100644
index 0000000000000000000000000000000000000000..568d7e4746f11b13ce8ea9e5a47a1b43d1c12693
--- /dev/null
+++ b/paddle/fluid/inference/anakin/convert/im2sequence.cc
@@ -0,0 +1,62 @@
+// 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.
+
+#include "paddle/fluid/inference/anakin/convert/im2sequence.h"
+#include <algorithm>
+#include <string>
+#include <vector>
+
+using anakin::graph::GraphGlobalMem;
+using anakin::AK_FLOAT;
+using anakin::Precision;
+using anakin::saber::NV;
+using anakin::saber::X86;
+using anakin::saber::Shape;
+using anakin::PBlock;
+using anakin::PTuple;
+
+namespace paddle {
+namespace inference {
+namespace anakin {
+
+void Im2SequenceConverter::operator()(const framework::proto::OpDesc &op,
+                                      const framework::Scope &scope,
+                                      bool test_mode) {
+  framework::OpDesc op_desc(op, nullptr);
+  PADDLE_ENFORCE_EQ(op_desc.Input("X").size(), 1);
+  PADDLE_ENFORCE_EQ(op_desc.Output("Y").size(), 0);
+  PADDLE_ENFORCE_EQ(op_desc.Output("Out").size(), 1);
+
+  auto x_name = op_desc.Input("X").front();
+  auto out_name = op_desc.Output("Out").front();
+  auto op_name = op_desc.Type() + ":" + op_desc.Output("Out").front();
+
+  engine_->AddOp(op_name, "Im2Sequence", {x_name}, {out_name});
+
+  std::vector<int> dilations = {1, 1};
+  auto paddings = boost::get<std::vector<int>>(op_desc.GetAttr("paddings"));
+  auto strides = boost::get<std::vector<int>>(op_desc.GetAttr("strides"));
+  auto kernels = boost::get<std::vector<int>>(op_desc.GetAttr("kernels"));
+
+  engine_->AddOpAttr<PTuple<int>>(op_name, "paddings", paddings);
+  engine_->AddOpAttr<PTuple<int>>(op_name, "strides", strides);
+  engine_->AddOpAttr<PTuple<int>>(op_name, "window_size", kernels);
+  engine_->AddOpAttr<PTuple<int>>(op_name, "dilations", dilations);
+}
+
+}  // namespace anakin
+}  // namespace inference
+}  // namespace paddle
+
+REGISTER_ANAKIN_OP_CONVERTER(im2sequence, Im2SequenceConverter);
diff --git a/paddle/fluid/inference/anakin/convert/im2sequence.h b/paddle/fluid/inference/anakin/convert/im2sequence.h
new file mode 100644
index 0000000000000000000000000000000000000000..3003eac2c6f416663c3e7c4c3e297b6347edfb47
--- /dev/null
+++ b/paddle/fluid/inference/anakin/convert/im2sequence.h
@@ -0,0 +1,37 @@
+// 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.
+
+#pragma once
+
+#include "paddle/fluid/inference/anakin/convert/op_converter.h"
+
+namespace paddle {
+namespace inference {
+namespace anakin {
+
+class Im2SequenceConverter : public AnakinOpConverter {
+ public:
+  Im2SequenceConverter() = default;
+
+  virtual void operator()(const framework::proto::OpDesc &op,
+                          const framework::Scope &scope,
+                          bool test_mode) override;
+  virtual ~Im2SequenceConverter() {}
+
+ private:
+};
+
+}  // namespace anakin
+}  // namespace inference
+}  // namespace paddle
diff --git a/paddle/fluid/inference/anakin/convert/pool2d.cc b/paddle/fluid/inference/anakin/convert/pool2d.cc
index 3dee589ac47d5c43ccb588e46563035c5a7c933a..9b01d56a126b2ebc194f5b5bb5b2f52c298a316e 100644
--- a/paddle/fluid/inference/anakin/convert/pool2d.cc
+++ b/paddle/fluid/inference/anakin/convert/pool2d.cc
@@ -55,7 +55,11 @@ void Pool2dOpConverter::operator()(const framework::proto::OpDesc &op,
   if (pool_type == "max") {
     anakin_pool_type = "MAX";
   } else if (pool_type == "avg") {
-    anakin_pool_type = "AVGEXC";
+    if (paddings[0] || paddings[1]) {
+      anakin_pool_type = "AVGEXC";
+    } else {
+      anakin_pool_type = "AVG";
+    }
   } else {
     PADDLE_THROW("TensorRT unsupported pooling type!");
   }
diff --git a/paddle/fluid/inference/anakin/convert/sum.cc b/paddle/fluid/inference/anakin/convert/sum.cc
new file mode 100644
index 0000000000000000000000000000000000000000..df9104cf4631d86e0cbd87cb0e93a96d984953f5
--- /dev/null
+++ b/paddle/fluid/inference/anakin/convert/sum.cc
@@ -0,0 +1,54 @@
+// 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.
+
+#include "paddle/fluid/inference/anakin/convert/sum.h"
+#include <algorithm>
+#include <string>
+#include <vector>
+
+using anakin::graph::GraphGlobalMem;
+using anakin::AK_FLOAT;
+using anakin::Precision;
+using anakin::saber::NV;
+using anakin::saber::X86;
+using anakin::saber::Shape;
+using anakin::PBlock;
+using anakin::PTuple;
+
+namespace paddle {
+namespace inference {
+namespace anakin {
+
+void SumOpConverter::operator()(const framework::proto::OpDesc &op,
+                                const framework::Scope &scope, bool test_mode) {
+  framework::OpDesc op_desc(op, nullptr);
+  PADDLE_ENFORCE_EQ(op_desc.Input("X").size(), 2);
+  PADDLE_ENFORCE_EQ(op_desc.Output("Out").size(), 1);
+
+  auto input_names = op_desc.Input("X");
+  auto out_name = op_desc.Output("Out").front();
+  auto op_name = op_desc.Type() + ":" + op_desc.Output("Out").front();
+
+  std::vector<float> coeff = {1, 1};
+  std::string elementwise_type = "Add";
+  engine_->AddOp(op_name, "Eltwise", input_names, {out_name});
+  engine_->AddOpAttr<PTuple<float>>(op_name, "coeff", coeff);
+  engine_->AddOpAttr<std::string>(op_name, "type", elementwise_type);
+}
+
+}  // namespace anakin
+}  // namespace inference
+}  // namespace paddle
+
+REGISTER_ANAKIN_OP_CONVERTER(sum, SumOpConverter);
diff --git a/paddle/fluid/inference/anakin/convert/sum.h b/paddle/fluid/inference/anakin/convert/sum.h
new file mode 100644
index 0000000000000000000000000000000000000000..ddecc4b3bcb84f83af95e77399847f191c785563
--- /dev/null
+++ b/paddle/fluid/inference/anakin/convert/sum.h
@@ -0,0 +1,37 @@
+// 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.
+
+#pragma once
+
+#include "paddle/fluid/inference/anakin/convert/op_converter.h"
+
+namespace paddle {
+namespace inference {
+namespace anakin {
+
+class SumOpConverter : public AnakinOpConverter {
+ public:
+  SumOpConverter() = default;
+
+  virtual void operator()(const framework::proto::OpDesc &op,
+                          const framework::Scope &scope,
+                          bool test_mode) override;
+  virtual ~SumOpConverter() {}
+
+ private:
+};
+
+}  // namespace anakin
+}  // namespace inference
+}  // namespace paddle
diff --git a/paddle/fluid/inference/anakin/convert/test_dropout_op.cc b/paddle/fluid/inference/anakin/convert/test_dropout_op.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ded279bf4c474523669a499fd40a3e4cac784344
--- /dev/null
+++ b/paddle/fluid/inference/anakin/convert/test_dropout_op.cc
@@ -0,0 +1,53 @@
+/* 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. */
+
+#include <gtest/gtest.h>
+#include "paddle/fluid/inference/anakin/convert/dropout.h"
+#include "paddle/fluid/inference/anakin/convert/op_converter.h"
+#include "paddle/fluid/inference/anakin/convert/ut_helper.h"
+
+namespace paddle {
+namespace inference {
+namespace anakin {
+
+TEST(dropout_op, native) {
+  std::unordered_set<std::string> parameters;
+  framework::Scope scope;
+  AnakinConvertValidation validator(parameters, scope);
+  validator.DeclInputVar("x", {1, 1, 2, 2});
+  validator.DeclOutputVar("out", {1, 1, 2, 2});
+  validator.DeclOutputVar("mask", {1, 1, 2, 2});
+
+  // Prepare Op description
+  framework::OpDesc desc;
+  desc.SetType("dropout");
+  desc.SetInput("X", {"x"});
+  desc.SetOutput("Out", {"out"});
+  desc.SetOutput("Mask", {"mask"});
+
+  float dropout_prob = 0.5;
+  desc.SetAttr("dropout_prob", dropout_prob);
+  desc.SetAttr("is_test", true);
+
+  validator.SetOp(*desc.Proto());
+  std::unordered_set<std::string> neglected_output = {"mask"};
+  validator.Execute(1, neglected_output);
+}
+
+}  // namespace anakin
+}  // namespace inference
+}  // namespace paddle
+
+USE_OP(dropout);
+USE_ANAKIN_CONVERTER(dropout);
diff --git a/paddle/fluid/inference/anakin/convert/test_elementwise_op.cc b/paddle/fluid/inference/anakin/convert/test_elementwise_op.cc
index a4298500c4659002cc5a36c8817d42d041082755..eec8b96f74f1a959d02c7a8a179148bd89120083 100644
--- a/paddle/fluid/inference/anakin/convert/test_elementwise_op.cc
+++ b/paddle/fluid/inference/anakin/convert/test_elementwise_op.cc
@@ -13,6 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License. */
 
 #include <gtest/gtest.h>
+#include "paddle/fluid/inference/anakin/convert/elementwise.h"
 #include "paddle/fluid/inference/anakin/convert/op_converter.h"
 #include "paddle/fluid/inference/anakin/convert/ut_helper.h"
 
@@ -20,20 +21,20 @@ namespace paddle {
 namespace inference {
 namespace anakin {
 
-TEST(elementwise_op, native) {
+static void test_elementwise_op(const std::string &op_type) {
   std::unordered_set<std::string> parameters;
   framework::Scope scope;
   AnakinConvertValidation validator(parameters, scope);
-  validator.DeclInputVar("elementwise_add_x", {1, 1, 2, 2});
-  validator.DeclInputVar("elementwise_y", {1, 1, 2, 2});
-  validator.DeclOutputVar("elementwise_out", {1, 1, 2, 2});
+  validator.DeclInputVar("x", {1, 1, 2, 2});
+  validator.DeclInputVar("y", {1, 1, 2, 2});
+  validator.DeclOutputVar("out", {1, 1, 2, 2});
 
   // Prepare Op description
   framework::OpDesc desc;
-  desc.SetType("elementwise_add");
-  desc.SetInput("X", {"elementwise_add_x"});
-  desc.SetInput("Y", {"elementwise_y"});
-  desc.SetOutput("Out", {"elementwise_out"});
+  desc.SetType(op_type);
+  desc.SetInput("X", {"x"});
+  desc.SetInput("Y", {"y"});
+  desc.SetOutput("Out", {"out"});
 
   int axis = -1;
   desc.SetAttr("axis", axis);
@@ -42,9 +43,14 @@ TEST(elementwise_op, native) {
   validator.Execute(1);
 }
 
+TEST(elementwise_op, native_add) { test_elementwise_op("elementwise_add"); }
+TEST(elementwise_op, native_mul) { test_elementwise_op("elementwise_mul"); }
+
 }  // namespace anakin
 }  // namespace inference
 }  // namespace paddle
 
 USE_OP(elementwise_add);
 USE_ANAKIN_CONVERTER(elementwise_add);
+USE_OP(elementwise_mul);
+USE_ANAKIN_CONVERTER(elementwise_mul);
diff --git a/paddle/fluid/inference/anakin/convert/test_im2sequence_op.cc b/paddle/fluid/inference/anakin/convert/test_im2sequence_op.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2f6c486298025798a50b8b4e280a6d34f9f52abb
--- /dev/null
+++ b/paddle/fluid/inference/anakin/convert/test_im2sequence_op.cc
@@ -0,0 +1,55 @@
+/* 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. */
+
+#include <gtest/gtest.h>
+#include "paddle/fluid/inference/anakin/convert/im2sequence.h"
+#include "paddle/fluid/inference/anakin/convert/op_converter.h"
+#include "paddle/fluid/inference/anakin/convert/ut_helper.h"
+
+namespace paddle {
+namespace inference {
+namespace anakin {
+
+TEST(im2sequence_op, native) {
+  std::unordered_set<std::string> parameters;
+  framework::Scope scope;
+  AnakinConvertValidation validator(parameters, scope);
+
+  std::vector<int> kernels = {6, 1};
+  std::vector<int> strides = {1, 1};
+  std::vector<int> paddings = {0, 0, 0, 0};
+
+  validator.DeclInputVar("x", {1, 1, 2, 2});
+  validator.DeclOutputVar("out", {1, 1 * kernels[0] * kernels[1]});
+
+  // Prepare Op description
+  framework::OpDesc desc;
+  desc.SetType("im2sequence");
+  desc.SetInput("X", {"x"});
+  desc.SetOutput("Out", {"out"});
+
+  desc.SetAttr("kernels", kernels);
+  desc.SetAttr("strides", strides);
+  desc.SetAttr("paddings", paddings);
+
+  validator.SetOp(*desc.Proto());
+  validator.Execute(1);
+}
+
+}  // namespace anakin
+}  // namespace inference
+}  // namespace paddle
+
+USE_OP(im2sequence);
+USE_ANAKIN_CONVERTER(im2sequence);
diff --git a/paddle/fluid/inference/anakin/convert/test_sum_op.cc b/paddle/fluid/inference/anakin/convert/test_sum_op.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a93539303bdd01f8756d0daa98871db495b480d0
--- /dev/null
+++ b/paddle/fluid/inference/anakin/convert/test_sum_op.cc
@@ -0,0 +1,48 @@
+/* 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. */
+
+#include <gtest/gtest.h>
+#include "paddle/fluid/inference/anakin/convert/op_converter.h"
+#include "paddle/fluid/inference/anakin/convert/sum.h"
+#include "paddle/fluid/inference/anakin/convert/ut_helper.h"
+#include "paddle/fluid/operators/sum_op.h"
+
+namespace paddle {
+namespace inference {
+namespace anakin {
+
+TEST(sum, native) {
+  std::unordered_set<std::string> parameters;
+  framework::Scope scope;
+  AnakinConvertValidation validator(parameters, scope);
+  validator.DeclInputVar("sum_x1", {1, 2, 1, 2});
+  validator.DeclInputVar("sum_x2", {1, 2, 1, 2});
+  validator.DeclOutputVar("sum_out", {1, 2, 1, 2});
+
+  // Prepare Op description
+  framework::OpDesc desc;
+  desc.SetType("sum");
+  desc.SetInput("X", {"sum_x1", "sum_x2"});
+  desc.SetOutput("Out", {"sum_out"});
+
+  validator.SetOp(*desc.Proto());
+  validator.Execute(1);
+}
+
+}  // namespace anakin
+}  // namespace inference
+}  // namespace paddle
+
+USE_OP(sum);
+USE_ANAKIN_CONVERTER(sum);
diff --git a/paddle/fluid/inference/anakin/op_teller.cc b/paddle/fluid/inference/anakin/op_teller.cc
index 3270f5b57a1fd4b97e4c2ae097620dbcad9447c7..90cf021de2f9d365fd1fa21f7d189d3fcd9d3ab2 100644
--- a/paddle/fluid/inference/anakin/op_teller.cc
+++ b/paddle/fluid/inference/anakin/op_teller.cc
@@ -28,6 +28,7 @@ struct SimpleOpTypeSetTeller : public Teller {
     teller_set.insert("relu");
     teller_set.insert("pool2d");
     teller_set.insert("elementwise_add");
+    teller_set.insert("elementwise_mul");
     teller_set.insert("concat");
     teller_set.insert("tanh");
     teller_set.insert("conv2d");
@@ -38,7 +39,9 @@ struct SimpleOpTypeSetTeller : public Teller {
     teller_set.insert("transpose2");
     teller_set.insert("density_prior_box");
     teller_set.insert("detection_out");
-    teller_set.insert("scale");
+    teller_set.insert("dropout");
+    teller_set.insert("sigmoid");
+    teller_set.insert("sum");
   }
 
   bool operator()(const std::string& op_type,
diff --git a/paddle/fluid/inference/analysis/ir_passes/anakin_subgraph_pass.cc b/paddle/fluid/inference/analysis/ir_passes/anakin_subgraph_pass.cc
index de41e05f1a690912ee5c91643c528cb7109f3120..0cd1d327ef6686f50de20d8b15bbf47ce085b11c 100644
--- a/paddle/fluid/inference/analysis/ir_passes/anakin_subgraph_pass.cc
+++ b/paddle/fluid/inference/analysis/ir_passes/anakin_subgraph_pass.cc
@@ -47,7 +47,7 @@ std::unique_ptr<framework::ir::Graph> analysis::AnakinSubgraphPass::ApplyImpl(
     return anakin::OpTeller::Global().Tell(node->Op()->Type(), *node->Op());
   };
 
-  SubGraphFuser fuser(graph.get(), teller, 0 /* min_subgraph_size */);
+  SubGraphFuser fuser(graph.get(), teller, 6 /* min_subgraph_size */);
   fuser();
 
   std::vector<std::string> graph_param_names =
diff --git a/paddle/fluid/inference/analysis/ir_passes/tensorrt_subgraph_pass.cc b/paddle/fluid/inference/analysis/ir_passes/tensorrt_subgraph_pass.cc
index 69d6ab1022e66d31a06883681d8132a99b359ce0..00490fbb184194454e3f72e99503cbd14b8767c2 100644
--- a/paddle/fluid/inference/analysis/ir_passes/tensorrt_subgraph_pass.cc
+++ b/paddle/fluid/inference/analysis/ir_passes/tensorrt_subgraph_pass.cc
@@ -210,13 +210,14 @@ void TensorRtSubgraphPass::CreateTensorRTOp(
   SetAttr(op_desc->Proto(), "parameters", params);
 
   auto enable_int8 = Get<bool>("enable_int8");
+  auto use_static_engine = Get<bool>("use_static_engine");
   auto engine_key = GenerateEngineKey(input_names_with_id, output_names_with_id,
                                       std::to_string(0));
 
   // Get "" when there is no cached calibration table data.
   bool load_from_memory = Get<bool>("model_from_memory");
   std::string calibration_data = "";
-  if (!load_from_memory) {
+  if (!load_from_memory && use_static_engine) {
     calibration_data = GetTrtCalibTableData(
         Get<std::string>("model_opt_cache_dir"), engine_key, enable_int8);
   }
@@ -240,7 +241,6 @@ void TensorRtSubgraphPass::CreateTensorRTOp(
     calibrator.reset(new tensorrt::TRTInt8Calibrator(calibration_data));
   }
 
-  bool use_static_engine = Get<bool>("use_static_engine");
   // When in int8 mode and calibration_mode, the program just produce the
   // calibration table data.
   bool calibration_mode = (enable_int8 && calibration_data.size() == 0);
diff --git a/paddle/fluid/inference/api/analysis_predictor.cc b/paddle/fluid/inference/api/analysis_predictor.cc
index bcae080bc9abdcdbeab9b9b3852a6a750a2efb6f..4278d579e8c008b9fbf38e955234f9b64f869d13 100644
--- a/paddle/fluid/inference/api/analysis_predictor.cc
+++ b/paddle/fluid/inference/api/analysis_predictor.cc
@@ -828,12 +828,13 @@ USE_ANAKIN_CONVERTER(sigmoid);
 USE_ANAKIN_CONVERTER(tanh);
 USE_ANAKIN_CONVERTER(pool2d);
 USE_ANAKIN_CONVERTER(elementwise_add);
+USE_ANAKIN_CONVERTER(elementwise_mul);
 USE_ANAKIN_CONVERTER(batch_norm);
 USE_ANAKIN_CONVERTER(flatten);
 USE_ANAKIN_CONVERTER(reshape);
 USE_ANAKIN_CONVERTER(transpose);
 USE_ANAKIN_CONVERTER(softmax);
-
 USE_ANAKIN_CONVERTER(detection_out);
 USE_ANAKIN_CONVERTER(density_prior_box);
-USE_ANAKIN_CONVERTER(scale);
+USE_ANAKIN_CONVERTER(dropout);
+USE_ANAKIN_CONVERTER(sum);
diff --git a/paddle/fluid/inference/api/paddle_analysis_config.h b/paddle/fluid/inference/api/paddle_analysis_config.h
index 9a29f8f77ed7081494073c76a501949e2c346c5a..23df507aa609c018e54524159494b08b7e42c75c 100644
--- a/paddle/fluid/inference/api/paddle_analysis_config.h
+++ b/paddle/fluid/inference/api/paddle_analysis_config.h
@@ -138,7 +138,7 @@ struct AnalysisConfig {
   void EnableTensorRtEngine(int workspace_size = 1 << 20,
                             int max_batch_size = 1, int min_subgraph_size = 3,
                             Precision precision = Precision::kFloat32,
-                            bool use_static = true);
+                            bool use_static = false);
   /** A boolean state telling whether the TensorRT engine is used.
    */
   bool tensorrt_engine_enabled() const { return use_tensorrt_; }
diff --git a/paddle/fluid/inference/api/paddle_pass_builder.cc b/paddle/fluid/inference/api/paddle_pass_builder.cc
index 182aa1b6b16e40e3c1f83b501305ac5d8ead7ee1..28d02e8fea562f3ca9fbe37cfaab47380888b5fb 100644
--- a/paddle/fluid/inference/api/paddle_pass_builder.cc
+++ b/paddle/fluid/inference/api/paddle_pass_builder.cc
@@ -80,6 +80,7 @@ const std::vector<std::string> kAnakinSubgraphPasses({
     "conv_elementwise_add_fuse_pass",           //
     "conv_bn_fuse_pass",                        //
     "conv_elementwise_add_fuse_pass",           //
+    "fc_gru_fuse_pass",                         //
     "anakin_subgraph_pass",
 });
 
diff --git a/paddle/fluid/platform/device_context.cc b/paddle/fluid/platform/device_context.cc
index d54a3e8670e892f4e0d9ebb60ab26714ac8c0c68..961e8271e18ef8613287c7e266a23e98ed8cdd1a 100644
--- a/paddle/fluid/platform/device_context.cc
+++ b/paddle/fluid/platform/device_context.cc
@@ -233,6 +233,8 @@ void CudnnHolder::ReallocateWorkspace(size_t required_workspace_len) {
                                      paddle::memory::Allocator::kScratchpad);
 }
 
+std::once_flag CUDADeviceContext::init_cudnn_;
+
 CUDADeviceContext::CUDADeviceContext(CUDAPlace place)
     : place_(place), cudnn_holder_(nullptr) {
   CUDADeviceGuard guard(place_.device);
@@ -252,10 +254,6 @@ CUDADeviceContext::CUDADeviceContext(CUDAPlace place)
 #endif
   }
 
-  if (dynload::HasCUDNN()) {
-    cudnn_holder_.reset(new CudnnHolder(&stream_, place));
-  }
-
   driver_version_ = GetCUDADriverVersion(place_.device);
   runtime_version_ = GetCUDARuntimeVersion(place_.device);
 
@@ -348,12 +346,21 @@ bool CUDADeviceContext::tensor_core_available() const {
   return cublas_tensor_core_handle_ != nullptr;
 }
 
+CudnnHolder* CUDADeviceContext::cudnn_holder() const {
+  std::call_once(init_cudnn_, [&]() {
+    if (dynload::HasCUDNN()) {
+      cudnn_holder_.reset(new CudnnHolder(&stream_, place_));
+    }
+  });
+  return cudnn_holder_.get();
+}
+
 cudnnHandle_t CUDADeviceContext::cudnn_handle() const {
-  return cudnn_holder_->cudnn_handle();
+  return cudnn_holder()->cudnn_handle();
 }
 
 CudnnWorkspaceHandle CUDADeviceContext::cudnn_workspace_handle() const {
-  return CudnnWorkspaceHandle(cudnn_holder_.get());
+  return CudnnWorkspaceHandle(cudnn_holder());
 }
 
 cudaStream_t CUDADeviceContext::stream() const { return stream_; }
diff --git a/paddle/fluid/platform/device_context.h b/paddle/fluid/platform/device_context.h
index 19ce769ab3279ed2a0747ec9a0b6811bab674b1b..162c64552e428e71fc003f90c6cd4a485f72f32f 100644
--- a/paddle/fluid/platform/device_context.h
+++ b/paddle/fluid/platform/device_context.h
@@ -290,9 +290,11 @@ class CUDADeviceContext : public DeviceContext {
  private:
   CUDAPlace place_;
 
+  static std::once_flag init_cudnn_;
+
   std::unique_ptr<Eigen::GpuDevice> eigen_device_;
   std::unique_ptr<EigenCudaStreamDevice> eigen_stream_;
-  std::unique_ptr<CudnnHolder> cudnn_holder_;
+  mutable std::unique_ptr<CudnnHolder> cudnn_holder_;
   cudaStream_t stream_;
 
   std::unique_ptr<CublasHandleHolder> cublas_handle_;
@@ -315,6 +317,7 @@ class CUDADeviceContext : public DeviceContext {
 
   // StreamCallbackManager is thread-safe
   std::unique_ptr<StreamCallbackManager> callback_manager_;
+  CudnnHolder* cudnn_holder() const;
 
   DISABLE_COPY_AND_ASSIGN(CUDADeviceContext);
 };