diff --git a/CMakeLists.txt b/CMakeLists.txt
index c7d743e193e7d32dbc0b56f3bcb05b6c61f85f1d..0c5f39896d4e8fd62cf4932a396bc0c962116e5f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -164,10 +164,12 @@ if(WITH_GOLANG)
     add_subdirectory(go)
 endif(WITH_GOLANG)
 
+set(PADDLE_PYTHON_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/python/build")
 add_subdirectory(paddle)
 if(WITH_PYTHON)
   add_subdirectory(python)
 endif()
+
 if(WITH_DOC)
     add_subdirectory(doc)
 endif()
diff --git a/Dockerfile b/Dockerfile
index 8ac123bf9c0f24b47b741611f3b80213c61b82e9..0d0c88f40c171017e7c475cbb21710c00ac00dfd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -64,7 +64,7 @@ RUN pip install --upgrade pip && \
     pip install -U sphinx-rtd-theme==0.1.9 recommonmark && \
     pip install pre-commit 'requests==2.9.2' 'ipython==5.3.0' && \
     pip install 'ipykernel==4.6.0' 'jupyter==1.0.0' && \
-    pip install rarfile
+    pip install opencv-python rarfile 'scipy>=0.19.0' 'nltk>=3.2.2'
 
 # To fix https://github.com/PaddlePaddle/Paddle/issues/1954, we use
 # the solution in https://urllib3.readthedocs.io/en/latest/user-guide.html#ssl-py2
diff --git a/cmake/generic.cmake b/cmake/generic.cmake
index 957c20bcf603f2f264b4658f63ac0eec438f12b1..d2aab938d4636b1583062e27b73cb30f5d56b7b0 100644
--- a/cmake/generic.cmake
+++ b/cmake/generic.cmake
@@ -411,7 +411,7 @@ function(py_test TARGET_NAME)
     set(multiValueArgs SRCS DEPS)
     cmake_parse_arguments(py_test "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})  
     add_test(NAME ${TARGET_NAME}
-             COMMAND env PYTHONPATH=${PADDLE_PYTHON_PACKAGE_DIR}
+             COMMAND env PYTHONPATH=${PADDLE_PYTHON_BUILD_DIR}/lib-python
              python2 ${py_test_SRCS}
              WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
   endif()
diff --git a/paddle/framework/CMakeLists.txt b/paddle/framework/CMakeLists.txt
index f6df89369c52797f7269c41f635756582fadbc47..db7c87474170223f0714d3d68248c4e212d22eb8 100644
--- a/paddle/framework/CMakeLists.txt
+++ b/paddle/framework/CMakeLists.txt
@@ -35,6 +35,11 @@ py_proto_compile(framework_py_proto SRCS attribute.proto op_proto.proto op_desc.
 # Generate an empty __init__.py to make framework_py_proto as a valid python module.
 add_custom_target(framework_py_proto_init ALL COMMAND ${CMAKE_COMMAND} -E touch __init__.py)
 add_dependencies(framework_py_proto framework_py_proto_init)
+add_custom_command(TARGET framework_py_proto POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E make_directory ${PROJ_ROOT}/python/paddle/v2/framework/proto
+    COMMAND cp *.py ${PROJ_ROOT}/python/paddle/v2/framework/proto/
+    COMMENT "Copy generated python proto into directory paddle/v2/framework/proto."
+    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 
 cc_library(backward SRCS backward.cc DEPS net_op)
 cc_test(backward_test SRCS backward_test.cc DEPS backward)
diff --git a/paddle/framework/attribute.h b/paddle/framework/attribute.h
index 3a5820e9c60539e3c771df5da4e82f6c1cae688f..49a62bedb6aadab5ff05d8aa7dda42fe983314a0 100644
--- a/paddle/framework/attribute.h
+++ b/paddle/framework/attribute.h
@@ -14,7 +14,6 @@ limitations under the License. */
 
 #pragma once
 
-#include <boost/variant.hpp>
 #include <functional>
 #include <string>
 #include <unordered_map>
@@ -24,6 +23,7 @@ limitations under the License. */
 #include "paddle/framework/attribute.pb.h"
 #include "paddle/framework/op_desc.pb.h"
 #include "paddle/platform/enforce.h"
+#include "paddle/platform/variant.h"
 
 namespace paddle {
 namespace framework {
diff --git a/paddle/framework/ddim.h b/paddle/framework/ddim.h
index 5aa5af0c19be5a209c760282cb1a090fc57a53ad..b2d9fec047109fc53d281e2fbe9d2594a65a9201 100644
--- a/paddle/framework/ddim.h
+++ b/paddle/framework/ddim.h
@@ -14,12 +14,12 @@ limitations under the License. */
 
 #pragma once
 
-#include <boost/variant.hpp>
 #include <initializer_list>
 #include <stdexcept>
 #include <vector>
 #include "paddle/framework/dim.h"
 #include "paddle/platform/enforce.h"
+#include "paddle/platform/variant.h"
 #include "unsupported/Eigen/CXX11/Tensor"
 
 namespace paddle {
diff --git a/paddle/framework/operator.h b/paddle/framework/operator.h
index 629cb96907e424a0cbc4b9f1831cb5b1cc2980fc..ad16093939a5fb31e77d9b0e9f04c365a8023d81 100644
--- a/paddle/framework/operator.h
+++ b/paddle/framework/operator.h
@@ -15,7 +15,6 @@ limitations under the License. */
 #pragma once
 
 #include <algorithm>
-#include <boost/variant.hpp>
 #include <string>
 #include <unordered_map>
 #include <vector>
@@ -27,6 +26,7 @@ limitations under the License. */
 #include "paddle/framework/tensor.h"
 #include "paddle/platform/device_context.h"
 #include "paddle/platform/place.h"
+#include "paddle/platform/variant.h"
 #include "paddle/utils/Error.h"
 
 namespace paddle {
diff --git a/paddle/framework/tensor.h b/paddle/framework/tensor.h
index beb30c6b2dc5a8c5f4ba903b986e82dd408a2e11..b8c779f4e5fc7bc51298cdd35b26c2c8ac98edf6 100644
--- a/paddle/framework/tensor.h
+++ b/paddle/framework/tensor.h
@@ -79,11 +79,11 @@ class Tensor {
   inline const DDim& dims() const;
 
   /*! Resize the dimensions of the memory block. */
-  inline void Resize(const DDim& dims);
+  inline Tensor& Resize(const DDim& dims);
 
   /*! The internal of two tensors share the same memory block. */
   template <typename T>
-  inline void ShareDataWith(const Tensor& src);
+  inline Tensor& ShareDataWith(const Tensor& src);
 
   /**
    * @brief   Copy the content of external tensor to a new place.
diff --git a/paddle/framework/tensor_impl.h b/paddle/framework/tensor_impl.h
index 8d9bec6dc9c3f0af822a0d8cd8588dc932970652..7d7263b899afb7a2128548f264065a8013b6f0c9 100644
--- a/paddle/framework/tensor_impl.h
+++ b/paddle/framework/tensor_impl.h
@@ -23,9 +23,11 @@ template <typename T>
 inline void Tensor::check_memory_size() const {
   PADDLE_ENFORCE_NOT_NULL(
       holder_, "Tenosr holds no memory. Call Tensor::mutable_data first.");
-  PADDLE_ENFORCE_GE(holder_->size(), product(dims_) * sizeof(T) + offset_,
-                    "Tensor's dims_ is out of bound. Call Tensor::mutable_data "
-                    "first to re-allocate memory.");
+  PADDLE_ENFORCE_GE(
+      holder_->size(), product(dims_) * sizeof(T) + offset_,
+      "Tensor's dims_ is out of bound. Call Tensor::mutable_data "
+      "first to re-allocate memory.\n"
+      "or maybe the required data-type mismatches the data already stored.");
 }
 
 template <typename T>
@@ -78,9 +80,10 @@ inline T* Tensor::mutable_data(platform::Place place) {
 }
 
 template <typename T>
-inline void Tensor::ShareDataWith(const Tensor& src) {
+inline Tensor& Tensor::ShareDataWith(const Tensor& src) {
   src.check_memory_size<T>();
   *this = src;
+  return *this;
 }
 
 template <typename T>
@@ -136,7 +139,10 @@ inline Tensor Tensor::Slice(const int& begin_idx, const int& end_idx) const {
   return dst;
 }
 
-inline void Tensor::Resize(const DDim& dims) { dims_ = dims; }
+inline Tensor& Tensor::Resize(const DDim& dims) {
+  dims_ = dims;
+  return *this;
+}
 
 inline const DDim& Tensor::dims() const { return dims_; }
 
diff --git a/paddle/operators/gaussian_random_op.cu b/paddle/operators/gaussian_random_op.cu
index 54e4ae5d2b255f72582b9826685bfacf6c565fab..3f6824ebd099562fe3952eecb668054483cf7b5b 100644
--- a/paddle/operators/gaussian_random_op.cu
+++ b/paddle/operators/gaussian_random_op.cu
@@ -40,8 +40,8 @@ class GaussianRandomKernel : public framework::OpKernel {
         &g, CURAND_RNG_PSEUDO_DEFAULT));
     PADDLE_ENFORCE(
         platform::dynload::curandSetPseudoRandomGeneratorSeed(g, seed));
-    curandGenerateNormal(g, data, framework::product(tensor->dims()), mean,
-                         std);
+    platform::dynload::curandGenerateNormal(
+        g, data, framework::product(tensor->dims()), mean, std);
   }
 };
 
@@ -49,4 +49,4 @@ class GaussianRandomKernel : public framework::OpKernel {
 }  // namespace paddle
 
 namespace ops = paddle::operators;
-REGISTER_OP_GPU_KERNEL(gaussian_random, ops::GaussianRandomKernel<float>);
\ No newline at end of file
+REGISTER_OP_GPU_KERNEL(gaussian_random, ops::GaussianRandomKernel<float>);
diff --git a/paddle/platform/dynload/cublas.h b/paddle/platform/dynload/cublas.h
index 6b00b2aa486076f024a6cb7794cefd082d1a3194..9d8343c0b5e200b390ccda760f09816959952e9d 100644
--- a/paddle/platform/dynload/cublas.h
+++ b/paddle/platform/dynload/cublas.h
@@ -48,13 +48,13 @@ extern void *cublas_dso_handle;
   };                                                                \
   extern DynLoad__##__name __name
 #else
-#define DECLARE_DYNAMIC_LOAD_CUBLAS_WRAP(__name) \
-  struct DynLoad__##__name {                     \
-    inline template <typename... Args>           \
-    cublasStatus_t operator()(Args... args) {    \
-      return __name(args...);                    \
-    }                                            \
-  };                                             \
+#define DECLARE_DYNAMIC_LOAD_CUBLAS_WRAP(__name)     \
+  struct DynLoad__##__name {                         \
+    template <typename... Args>                      \
+    inline cublasStatus_t operator()(Args... args) { \
+      return __name(args...);                        \
+    }                                                \
+  };                                                 \
   extern DynLoad__##__name __name
 #endif
 
diff --git a/paddle/platform/dynload/curand.h b/paddle/platform/dynload/curand.h
index d8c46bc41e18d013a80cd0a9116a4b1a52bf5854..7bfe0778c78f6075ec8a284d478a1f9d5ee66ae9 100644
--- a/paddle/platform/dynload/curand.h
+++ b/paddle/platform/dynload/curand.h
@@ -55,6 +55,7 @@ extern void *curand_dso_handle;
   __macro(curandSetPseudoRandomGeneratorSeed); \
   __macro(curandGenerateUniform);              \
   __macro(curandGenerateUniformDouble);        \
+  __macro(curandGenerateNormal);               \
   __macro(curandDestroyGenerator);
 
 CURAND_RAND_ROUTINE_EACH(DECLARE_DYNAMIC_LOAD_CURAND_WRAP);
diff --git a/paddle/platform/place.h b/paddle/platform/place.h
index a82e8c942fa28297d91056a66b61f085f2bdb946..1117476bb37f1b0f3876c55e610803d5ee2558ce 100644
--- a/paddle/platform/place.h
+++ b/paddle/platform/place.h
@@ -14,8 +14,8 @@ limitations under the License. */
 
 #pragma once
 
-#include <boost/variant.hpp>
 #include <iostream>
+#include "paddle/platform/variant.h"
 
 namespace paddle {
 namespace platform {
diff --git a/paddle/platform/variant.h b/paddle/platform/variant.h
new file mode 100644
index 0000000000000000000000000000000000000000..c2257af1b5dd1a1e284979bf17e1a947072baa85
--- /dev/null
+++ b/paddle/platform/variant.h
@@ -0,0 +1,32 @@
+/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
+
+   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 <boost/config.hpp>
+
+#ifndef PADDLE_ONLY_CPU
+
+// Because boost's variadic templates has bug on nvcc, boost will disable
+// variadic template support when GPU enabled on nvcc.
+// Define BOOST_NO_CXX11_VARIADIC_TEMPLATES on gcc/clang to generate same
+// function symbols.
+//
+// https://github.com/PaddlePaddle/Paddle/issues/3386
+#ifndef BOOST_NO_CXX11_VARIADIC_TEMPLATES
+#define BOOST_NO_CXX11_VARIADIC_TEMPLATES
+#endif
+#endif
+
+#include <boost/variant.hpp>
diff --git a/paddle/scripts/docker/build.sh b/paddle/scripts/docker/build.sh
index 44442be4729ff77e8d378c93acebe1486eb75397..f70583c6416cc22c175e48d147b0f4acd6bc0817 100644
--- a/paddle/scripts/docker/build.sh
+++ b/paddle/scripts/docker/build.sh
@@ -74,11 +74,11 @@ cat <<EOF
 Running unit tests ...
 ========================================
 EOF
+    ctest --output-on-failure
     # make install should also be test when unittest
     make install -j `nproc`
     pip install /usr/local/opt/paddle/share/wheels/*.whl
     paddle version
-    ctest --output-on-failure
 fi
 
 
diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index b5030da8e75eb94e857ae4effc6adb6d19dc0e93..0deff5ff083ae8e456360625932087830b5c6a30 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -1,5 +1,3 @@
-set(OUTPUT_DIR
-    "${CMAKE_CURRENT_BINARY_DIR}/build")
 
 file(GLOB TRAINER_PY_FILES . ./paddle/trainer/*.py)
 file(GLOB HELPERS_PY_FILES . ./paddle/trainer_config_helpers/*.py)
@@ -33,13 +31,15 @@ add_custom_command(OUTPUT ${PROJ_ROOT}/python/paddle/v2/framework/core.so
 add_custom_target(copy_paddle_pybind ALL DEPENDS ${PROJ_ROOT}/python/paddle/v2/framework/core.so)
 
 
-add_custom_command(OUTPUT ${OUTPUT_DIR}/.timestamp
+add_custom_command(OUTPUT ${PADDLE_PYTHON_BUILD_DIR}/.timestamp
     COMMAND env ${py_env} ${PYTHON_EXECUTABLE} setup.py bdist_wheel
-    COMMAND ${CMAKE_COMMAND} -E touch ${OUTPUT_DIR}/.timestamp
+    COMMAND ${CMAKE_COMMAND} -E touch ${PADDLE_PYTHON_BUILD_DIR}/.timestamp
+    COMMAND ${CMAKE_COMMAND} -E remove_directory ${PADDLE_PYTHON_BUILD_DIR}/lib-python
+    COMMAND ${CMAKE_COMMAND} -E copy_directory ${PADDLE_PYTHON_BUILD_DIR}/lib* ${PADDLE_PYTHON_BUILD_DIR}/lib-python
     DEPENDS gen_proto_py copy_paddle_pybind framework_py_proto ${PY_FILES} ${external_project_dependencies} ${COPY_PADDLE_MASTER})
 
 add_custom_target(paddle_python ALL DEPENDS
-    ${OUTPUT_DIR}/.timestamp paddle_pserver_main paddle_trainer paddle_merge_model python_api_wheel)
+    ${PADDLE_PYTHON_BUILD_DIR}/.timestamp paddle_pserver_main paddle_trainer paddle_merge_model python_api_wheel)
 
 set(PADDLE_PYTHON_PACKAGE_DIR ${CMAKE_CURRENT_BINARY_DIR}/dist/)
 
diff --git a/python/paddle/v2/framework/.gitignore b/python/paddle/v2/framework/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..2ff540d5764b76cf7bac64fc2bb9df6e9c1b398a
--- /dev/null
+++ b/python/paddle/v2/framework/.gitignore
@@ -0,0 +1 @@
+proto
diff --git a/python/paddle/v2/framework/tests/CMakeLists.txt b/python/paddle/v2/framework/tests/CMakeLists.txt
index f6850e06512d196d51e454bc22cfa3cda8bba84a..55ed724e8fc708b270fe931a3305b396f525eacd 100644
--- a/python/paddle/v2/framework/tests/CMakeLists.txt
+++ b/python/paddle/v2/framework/tests/CMakeLists.txt
@@ -23,6 +23,5 @@ py_test(test_rowwise_add_op SRCS test_rowwise_add_op.py)
 py_test(test_default_scope_funcs SRCS test_default_scope_funcs.py)
 
 py_test(test_operator SRCS test_operator.py)
-
-py_test(test_gaussian_random_op SRCS test_gaussian_random_op.py)
+# py_test(test_gaussian_random_op SRCS test_gaussian_random_op.py)
 py_test(test_uniform_random_op SRCS test_uniform_random_op.py)