diff --git a/.gitignore b/.gitignore
index 11c5f22..6c2e43f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,8 @@ obj/
 lib/
 bin/
 build/
+build-dep-src/
+build-dep-install/
 python/nexus/proto/
 
 cmake-build*/
diff --git a/.gitmodules b/.gitmodules
index d5b1bdb..9d817d6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,10 +10,6 @@
 # 	path = frameworks/caffe2
 # 	url = https://github.com/icemelon9/caffe2.git
 # 	branch = nexus
-[submodule "frameworks/tensorflow"]
-	path = frameworks/tensorflow
-	url = https://github.com/tensorflow/tensorflow.git
-	branch = master
 [submodule "frameworks/caffe2"]
 	path = frameworks/caffe2
 	url = https://github.com/abcdabcd987/caffe2-nexus.git
diff --git a/BUILDING.md b/BUILDING.md
new file mode 100644
index 0000000..4d2c647
--- /dev/null
+++ b/BUILDING.md
@@ -0,0 +1,53 @@
+# Building Nexus on Ubuntu 18.04
+
+## Install system-wide packages
+
+```bash
+# Build system and utilities
+sudo apt-get install -y unzip build-essential git autoconf automake libtool pkg-config curl make zlib1g-dev wget
+
+# For OpenCV
+sudo apt-get install -y libswscale-dev libjpeg-dev libpng-dev
+
+# Python 3.7 for Nexus
+sudo apt-get install -y software-properties-common
+sudo add-apt-repository -y ppa:deadsnakes/ppa
+sudo apt-get install -y python3.7 python3.7-dev
+curl https://bootstrap.pypa.io/get-pip.py | python3.7
+python3.7 -m pip install --upgrade --user numpy matplotlib protobuf grpcio opencv-python pyyaml six
+
+# CMake 3.16.3 (install globally)
+# ref: https://cmake.org/install/
+# ref: https://stackoverflow.com/questions/44633043/cmake-libcurl-was-built-with-ssl-disabled-https-not-supported
+sudo apt-get install -y libcurl4-openssl-dev
+wget https://github.com/Kitware/CMake/releases/download/v3.16.3/cmake-3.16.3.tar.gz
+tar xf cmake-3.16.3.tar.gz
+cd cmake-3.16.3
+./bootstrap --system-curl --parallel=$(nproc)
+make -j$(nproc)
+sudo make install
+cd ..
+```
+
+## Clone Nexus
+
+```bash
+git clone https://github.com/uwsampl/nexus.git
+cd nexus
+```
+
+## Build Nexus dependencies
+
+```bash
+./build-deps.bash
+./build-tensorflow.bash
+```
+
+## Build Nexus
+
+```bash
+mkdir build
+cd build
+cmake .. -DCMAKE_BUILD_TYPE=RelWithDebugInfo -DCUDA_PATH=/usr/local/cuda-10.0 -DUSE_TENSORFLOW=ON -DUSE_CAFFE2=OFF
+make -j$(nproc)
+```
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4523638..847b495 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,17 @@
-cmake_minimum_required(VERSION 3.13)
+cmake_minimum_required(VERSION 3.12)
 project(nexus LANGUAGES CXX)
 list(INSERT CMAKE_MODULE_PATH 0 ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
+set(NEXUS_DEP_DIR ${CMAKE_CURRENT_SOURCE_DIR}/build-dep-install)
+list(INSERT CMAKE_PREFIX_PATH 0 ${NEXUS_DEP_DIR}/boost)
+list(INSERT CMAKE_PREFIX_PATH 0 ${NEXUS_DEP_DIR}/gflags)
+list(INSERT CMAKE_PREFIX_PATH 0 ${NEXUS_DEP_DIR}/glog)
+list(INSERT CMAKE_PREFIX_PATH 0 ${NEXUS_DEP_DIR}/grpc)
+list(INSERT CMAKE_PREFIX_PATH 0 ${NEXUS_DEP_DIR}/gtest)
+list(INSERT CMAKE_PREFIX_PATH 0 ${NEXUS_DEP_DIR}/opencv)
+list(INSERT CMAKE_PREFIX_PATH 0 ${NEXUS_DEP_DIR}/protobuf)
+list(INSERT CMAKE_PREFIX_PATH 0 ${NEXUS_DEP_DIR}/yaml-cpp)
+
 # We don't support caffe2/caffe/darknet any more
 #option(USE_GPU        "Use GPU"        ON )
 #option(USE_TENSORFLOW "Use TensorFlow" ON )
@@ -13,7 +23,6 @@ set(USE_TENSORFLOW ON)
 set(USE_DARKNET OFF)
 #set(USE_CAFFE2 OFF)
 set(USE_CAFFE OFF)
-option(DEBUG_TF_BUILD "Build TensorFlow in Debug model" OFF)
 if(USE_CAFFE2 AND USE_CAFFE)
     message(FATAL_ERROR "`USE_CAFFE2` and `USE_CAFFE` cannot be set at the same time.")
 endif()
@@ -25,6 +34,7 @@ find_package(Protobuf REQUIRED)
 find_package(gRPC REQUIRED)
 find_package(glog REQUIRED)
 find_package(gflags REQUIRED COMPONENTS shared)
+find_package(GTest REQUIRED)
 find_package(yaml-cpp 0.6.2 REQUIRED)
 find_package(OpenCV REQUIRED)
 include(ProcessorCount)
@@ -84,7 +94,7 @@ target_include_directories(common PUBLIC
         ${GENERATED_SRC_DIR}/src)
 target_compile_features(common PUBLIC cxx_std_11)
 target_link_libraries(common PUBLIC
-        yaml-cpp gflags glog::glog gRPC::grpc++ protobuf::libprotobuf
+        yaml-cpp gflags glog::glog gRPC::grpc++ GTest::GTest protobuf::libprotobuf
         ${OpenCV_LIBS} Boost::filesystem Boost::system)
 set_target_properties(common PROPERTIES POSITION_INDEPENDENT_CODE ON)
 
@@ -117,7 +127,7 @@ add_library(nexus SHARED
 target_include_directories(nexus PRIVATE
         ${CMAKE_CURRENT_SOURCE_DIR}/src
         ${GENERATED_SRC_DIR}/src)
-target_compile_features(nexus PRIVATE cxx_std_11)
+target_compile_features(nexus PUBLIC cxx_std_11)
 target_link_libraries(nexus PUBLIC common)
 
 
@@ -156,61 +166,20 @@ endif()
 
 ## backend: TensorFlow support ##
 if(USE_TENSORFLOW)
-    target_compile_definitions(backend_obj PUBLIC USE_TENSORFLOW)
-    target_sources(backend_obj PUBLIC
+    target_compile_definitions(backend_obj PRIVATE USE_TENSORFLOW)
+    target_sources(backend_obj PRIVATE
             src/nexus/backend/tensorflow_model.cpp
             src/nexus/backend/tf_share_model.cpp)
-    # set_source_files_properties(src/nexus/backend/tensorflow_model.cpp PROPERTIES COMPILE_OPTIONS -DNDEBUG)
-    set(TENSORFLOW_BUILD_ROOT ${CMAKE_CURRENT_BINARY_DIR}/tensorflow/execroot/org_tensorflow/bazel-out)
-
-    # tensorflow/core/lib/core/refcount.h is REALLY REALLY annoying. Need NDEBUG here.
-    # https://github.com/tensorflow/tensorflow/issues/17316
-    if(CMAKE_BUILD_TYPE MATCHES DEBUG)
-        target_compile_definitions(backend_obj PUBLIC NDEBUG)
-    endif()
-    if(DEBUG_TF_BUILD)
-        set(TENSORFLOW_BUILD_ROOT ${TENSORFLOW_BUILD_ROOT}/k8-dbg)
-        set(TENSORFLOW_BUILD_OPT --compilation_mode=dbg --strip=never --copt="-DNDEBUG" --copt="-march=x86-64")
-    else()
-        set(TENSORFLOW_BUILD_ROOT ${TENSORFLOW_BUILD_ROOT}/k8-opt)
-        set(TENSORFLOW_BUILD_OPT --config=opt)
-    endif()
-
-    set(TENSORFLOW_SO
-            ${TENSORFLOW_BUILD_ROOT}/bin/tensorflow/libtensorflow_cc.so
-            ${TENSORFLOW_BUILD_ROOT}/bin/tensorflow/libtensorflow_framework.so)
-    add_custom_command(
-        OUTPUT ${TENSORFLOW_SO}
-        WORKING_DIRECTORY
-            ${CMAKE_CURRENT_SOURCE_DIR}/frameworks/tensorflow
-        COMMAND
-            cp  ${CMAKE_CURRENT_SOURCE_DIR}/frameworks/tf_configure.bazelrc
-                ${CMAKE_CURRENT_SOURCE_DIR}/frameworks/tensorflow/.tf_configure.bazelrc
-        COMMAND
-            bazel --output_base=${CMAKE_CURRENT_BINARY_DIR}/tensorflow build ${TENSORFLOW_BUILD_OPT}
-                --action_env CUDA_TOOLKIT_PATH=${CUDA_PATH}
-                --action_env CUDNN_INSTALL_PATH=${CUDA_PATH}
-                //tensorflow:libtensorflow_cc.so
-                //tensorflow:libtensorflow_framework.so
-                //tensorflow:install_headers
-        COMMAND
-            bazel --output_base=${CMAKE_CURRENT_BINARY_DIR}/tensorflow shutdown)
-    add_custom_target(tensorflow DEPENDS ${TENSORFLOW_SO})
-    add_custom_target(clean-tensorflow
-        WORKING_DIRECTORY
-            ${CMAKE_CURRENT_SOURCE_DIR}/frameworks/tensorflow
-        COMMAND
-            bazel --output_base=${CMAKE_CURRENT_BINARY_DIR}/tensorflow clean)
-    target_include_directories(backend_obj PUBLIC ${TENSORFLOW_BUILD_ROOT}/genfiles/tensorflow/include)
-    target_include_directories(backend_obj PUBLIC ${TENSORFLOW_BUILD_ROOT}/genfiles/tensorflow/include/external/com_google_absl)
-    target_link_libraries(backend_obj PUBLIC ${TENSORFLOW_SO})
-    add_dependencies(backend_obj tensorflow)
+    set(TENSORFLOW_BUILD_ROOT /host/nexus-deps-src/tensorflow/bazel-out/k8-opt/bin/tensorflow)
+    target_include_directories(backend_obj PRIVATE ${TENSORFLOW_BUILD_ROOT}/include)
+    target_link_libraries(backend_obj PRIVATE ${TENSORFLOW_BUILD_ROOT}/libtensorflow_cc.so)
+    target_link_libraries(backend_obj PRIVATE ${TENSORFLOW_BUILD_ROOT}/libtensorflow_framework.so)
 endif()
 
 ## backend: Caffe2 support ##
 if(USE_CAFFE2)
     target_compile_definitions(backend_obj PRIVATE USE_CAFFE2)
-    target_sources(backend_obj PUBLIC src/nexus/backend/caffe2_model.cpp)
+    target_sources(backend_obj PRIVATE src/nexus/backend/caffe2_model.cpp)
     set(CAFFE2_BUILD_ROOT ${CMAKE_CURRENT_BINARY_DIR}/caffe2)
     set(CAFFE2_SO
             ${CAFFE2_BUILD_ROOT}/install/lib/libcaffe2.so
@@ -230,15 +199,15 @@ if(USE_CAFFE2)
         COMMAND make -j${NPROC} install
     )
     add_custom_target(caffe2 DEPENDS ${CAFFE2_SO})
-    target_include_directories(backend_obj PUBLIC ${CAFFE2_BUILD_ROOT}/install/include)
-    target_link_libraries(backend_obj PUBLIC ${CAFFE2_SO})
+    target_include_directories(backend_obj PRIVATE ${CAFFE2_BUILD_ROOT}/install/include)
+    target_link_libraries(backend_obj PRIVATE ${CAFFE2_SO})
     add_dependencies(backend_obj caffe2)
 endif()
 
 ## backend: Caffe support ##
 if(USE_CAFFE)
     target_compile_definitions(backend PRIVATE USE_CAFFE)
-    target_sources(backend_obj PUBLIC
+    target_sources(backend_obj PRIVATE
         src/nexus/backend/caffe_densecap_model.cpp
         src/nexus/backend/caffe_model.cpp)
     set(CAFFE_SRC_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/frameworks/caffe)
@@ -249,9 +218,9 @@ if(USE_CAFFE)
         WORKING_DIRECTORY ${CAFFE_SRC_ROOT}
         COMMAND make -j${NPROC} all)
     add_custom_target(caffe DEPENDS ${CAFFE_SO})
-    target_include_directories(backend_obj PUBLIC ${CAFFE_SRC_ROOT}/src)
-    target_include_directories(backend_obj PUBLIC ${CAFFE_SRC_ROOT}/include)
-    target_link_libraries(backend_obj PUBLIC ${CAFFE_SO})
+    target_include_directories(backend_obj PRIVATE ${CAFFE_SRC_ROOT}/src)
+    target_include_directories(backend_obj PRIVATE ${CAFFE_SRC_ROOT}/include)
+    target_link_libraries(backend_obj PRIVATE ${CAFFE_SO})
     add_dependencies(backend_obj caffe)
 endif()
 
@@ -266,9 +235,9 @@ if(USE_DARKNET)
         WORKING_DIRECTORY ${DARKNET_SRC_ROOT}
         COMMAND make -j${NPROC} all)
     add_custom_target(darknet DEPENDS ${DARKNET_SO})
-    target_include_directories(backend_obj PUBLIC ${DARKNET_SRC_ROOT}/src)
-    target_include_directories(backend_obj PUBLIC ${DARKNET_SRC_ROOT}/include)
-    target_link_libraries(backend_obj PUBLIC ${DARKNET_SO})
+    target_include_directories(backend_obj PRIVATE ${DARKNET_SRC_ROOT}/src)
+    target_include_directories(backend_obj PRIVATE ${DARKNET_SRC_ROOT}/include)
+    target_link_libraries(backend_obj PRIVATE ${DARKNET_SO})
     add_dependencies(backend_obj darknet)
 endif()
 
diff --git a/INSTALL.md b/INSTALL.md
deleted file mode 100644
index 5834422..0000000
--- a/INSTALL.md
+++ /dev/null
@@ -1,189 +0,0 @@
-# INSTALL on Ubuntu 16.04
-
-```bash
-sudo apt-get install -y unzip build-essential git autoconf automake libtool curl make zlib1g-dev
-mkdir -p download
-cd download
-
-# CUDA 10.0
-wget https://developer.nvidia.com/compute/cuda/10.0/Prod/local_installers/cuda_10.0.130_410.48_linux
-chmod +x cuda_10.0.130_410.48_linux
-sudo ./cuda_10.0.130_410.48_linux -silent -toolkit
-sudo unlink /usr/local/cuda
-
-# cuDNN v7.5.0
-# ref: https://docs.nvidia.com/deeplearning/sdk/cudnn-install/index.html#installlinux-tar
-# Sign in and download from https://developer.nvidia.com/rdp/cudnn-download
-tar xf cudnn-10.0-linux-x64-v7.5.0.56.tgz
-sudo cp cuda/include/cudnn.h /usr/local/cuda-10.0/include
-sudo cp cuda/lib64/libcudnn* /usr/local/cuda-10.0/lib64
-sudo chmod a+r /usr/local/cuda-10.0/include/cudnn.h /usr/local/cuda-10.0/lib64/libcudnn*
-sudo ldconfig
-
-# CMake 3.14.0
-# ref: https://cmake.org/install/
-# ref: https://stackoverflow.com/questions/44633043/cmake-libcurl-was-built-with-ssl-disabled-https-not-supported
-sudo apt-get install -y libcurl4-openssl-dev
-wget https://github.com/Kitware/CMake/releases/download/v3.14.0/cmake-3.14.0.tar.gz
-tar xf cmake-3.14.0.tar.gz
-cd cmake-3.14.0
-./bootstrap --system-curl --parallel=$(nproc)
-make -j$(nproc)
-sudo make install
-cd ..
-
-# yaml-cpp 0.6.2
-# ref: https://github.com/jbeder/yaml-cpp/tree/yaml-cpp-0.6.2
-wget https://github.com/jbeder/yaml-cpp/archive/yaml-cpp-0.6.2.tar.gz
-tar xf yaml-cpp-0.6.2.tar.gz
-cd yaml-cpp-yaml-cpp-0.6.2/
-mkdir build
-cd build
-cmake .. -DBUILD_SHARED_LIBS=ON
-make -j$(nproc)
-sudo make install
-cd ../..
-
-# Boost 1.69.0
-# ref: https://www.boost.org/doc/libs/1_69_0/more/getting_started/unix-variants.html
-wget https://dl.bintray.com/boostorg/release/1.69.0/source/boost_1_69_0.tar.gz
-tar xf boost_1_69_0.tar.gz
-cd boost_1_69_0
-./bootstrap.sh
-./b2 --without-python --without-mpi --layout=system -j$(nproc)
-sudo ./b2 install --without-python --without-mpi --layout=system -j$(nproc)
-cd ..
-
-# OpenCV 4.0.1
-# ref: https://docs.opencv.org/4.0.1/d7/d9f/tutorial_linux_install.html
-sudo apt-get install -y libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
-sudo apt-get install -y python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev
-wget https://github.com/opencv/opencv/archive/4.0.1.zip -O opencv-4.0.1.zip
-unzip opencv-4.0.1.zip
-cd opencv-4.0.1
-mkdir build
-cd build
-cmake .. -DOPENCV_GENERATE_PKGCONFIG=ON -DBUILD_opencv_python2=OFF -DBUILD_opencv_python3=OFF -DBUILD_JAVA=OFF -DBUILD_WITH_DEBUG_INFO=ON -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF
-make -j$(nproc)
-sudo make install
-cd ../..
-
-# gflags 2.2.2
-# ref: https://github.com/gflags/gflags/blob/master/INSTALL.md
-wget https://github.com/gflags/gflags/archive/v2.2.2.tar.gz -O gflags-2.2.2.tar.gz
-tar xf gflags-2.2.2.tar.gz
-cd gflags-2.2.2
-mkdir build
-cd build
-cmake .. -DBUILD_SHARED_LIBS=ON
-make -j$(nproc)
-sudo make install
-cd ../..
-
-# glog 0.3.5
-# ref: https://github.com/google/glog/blob/master/cmake/INSTALL.md
-wget https://github.com/google/glog/archive/v0.3.5.tar.gz -O glog-0.3.5.tar.gz
-tar xf glog-0.3.5.tar.gz
-cd glog-0.3.5
-mkdir build
-cd build
-cmake .. -DBUILD_SHARED_LIBS=ON
-make -j$(nproc)
-sudo make install
-cd ../..
-
-# gtest 1.8.1
-# ref: https://github.com/google/googletest/blob/master/googletest/README.md
-wget https://github.com/google/googletest/archive/release-1.8.1.tar.gz -O googletest-release-1.8.1.tar.gz
-tar xf googletest-release-1.8.1.tar.gz
-cd googletest-release-1.8.1
-mkdir build
-cd build
-cmake .. -DBUILD_SHARED_LIBS=OFF
-make -j$(nproc)
-sudo make install
-cd ../..
-
-# protobuf 3.6.1.2 (need to sync with TensorFlow)
-# ref: https://github.com/protocolbuffers/protobuf/blob/master/src/README.md
-wget https://github.com/protocolbuffers/protobuf/archive/v3.6.1.2.tar.gz -O protobuf-3.6.1.2.tar.gz
-tar xf protobuf-3.6.1.2.tar.gz
-cd protobuf-3.6.1.2/
-./autogen.sh
-./configure
-make -j$(nproc)
-sudo make install
-sudo ldconfig
-cd ..
-
-# grpc 1.19.1
-# ref: https://github.com/grpc/grpc/blob/master/BUILDING.md
-git clone -b v1.19.1 https://github.com/grpc/grpc grpc-1.19.1
-cd grpc-1.19.1
-git submodule update --init
-make -j$(nproc)
-sudo make install
-cd ..
-
-# bazel 0.21.0
-# ref: https://docs.bazel.build/versions/master/install-ubuntu.html
-wget https://github.com/bazelbuild/bazel/releases/download/0.21.0/bazel-0.21.0-installer-linux-x86_64.sh
-chmod +x bazel-0.21.0-installer-linux-x86_64.sh
-sudo ./bazel-0.21.0-installer-linux-x86_64.sh
-bazel version
-
-# gcc 8.3
-# ref: https://solarianprogrammer.com/2016/10/07/building-gcc-ubuntu-linux/
-wget https://ftpmirror.gnu.org/gcc/gcc-8.3.0/gcc-8.3.0.tar.gz
-tar xf gcc-8.3.0.tar.gz
-cd gcc-8.3.0
-contrib/download_prerequisites
-cd ../
-mkdir gcc-8.3.0-build
-cd gcc-8.3.0-build
-../gcc-8.3.0/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --enable-checking=release --enable-languages=c,c++ --disable-multilib --program-suffix=-8.3
-make -j$(nproc)
-sudo make install
-cd ..
-echo "/usr/local/lib64" | sudo tee /etc/ld.so.conf.d/local-lib64.conf
-sudo ldconfig
-
-# python 3.7 by pyenv
-sudo apt-get install -y make build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev xz-utils tk-dev libffi-dev liblzma-dev python-openssl git
-curl https://pyenv.run | bash
-echo 'export PATH="$HOME/.pyenv/bin:$PATH"' >> ~/.bashrc
-echo 'eval "$(pyenv init -)"' >> ~/.bashrc
-echo 'eval "$(pyenv virtualenv-init -)"' >> ~/.bashrc
-export PATH="$HOME/.pyenv/bin:$PATH"
-eval "$(pyenv init -)"
-eval "$(pyenv virtualenv-init -)"
-pyenv install 3.7.2
-pyenv global 3.7.2
-python --version
-
-# python packages
-python -m pip install pip --upgrade
-python -m pip install numpy matplotlib protobuf grpcio opencv-python --upgrade
-
-
-# eigen (for caffe2)
-wget http://bitbucket.org/eigen/eigen/get/3.3.7.tar.gz -O eigen-3.3.7.tar.gz
-tar xf eigen-3.3.7.tar.gz
-cd eigen-eigen-323c052e1731
-mkdir build
-cd build
-cmake ..
-make -j$(nproc)
-sudo make install
-cd ../..
-
-# YAY!!! FINALLY US!!! nexus
-cd ..
-git clone https://github.com/uwsampl/nexus.git
-cd nexus
-git submodule update --init --recursive
-mkdir build
-cd build
-cmake .. -DCMAKE_CXX_COMPILER=g++-8.3 -DCMAKE_BUILD_TYPE=Debug -DUSE_GPU=ON -DCUDA_PATH=/usr/local/cuda-10.0 -DUSE_TENSORFLOW=ON -DUSE_CAFFE=OFF -DUSE_CAFFE2=OFF -DUSE_DARKNET=OFF
-make -j$(nproc)
-```
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 15f2b1a..0000000
--- a/Makefile
+++ /dev/null
@@ -1,235 +0,0 @@
-CONFIG_FILE := Makefile.config
-ifeq ($(wildcard $(CONFIG_FILE)),)
-	$(error $(CONFIG_FILE) not found. See $(CONFIG_FILE).example.)
-endif
-include $(CONFIG_FILE)
-
-ROOTDIR = $(CURDIR)
-
-# protobuf srcs and objs
-PROTO_SRC_DIR = src/nexus/proto
-PROTO_SRCS := $(PROTO_SRC_DIR)/nnquery.proto
-PROTO_GEN_HEADERS := ${PROTO_SRCS:src/%.proto=build/gen/%.pb.h}
-PROTO_GEN_CC := ${PROTO_SRCS:src/%.proto=build/gen/%.pb.cc}
-PROTO_OBJS := ${PROTO_SRCS:src/nexus/%.proto=build/obj/%.pb.o}
-# gen python code
-PROTO_GEN_PY_DIR = python/nexus/proto
-PROTO_GEN_PY := $(patsubst $(PROTO_SRC_DIR)/%.proto, $(PROTO_GEN_PY_DIR)/%_pb2.py, $(PROTO_SRCS))
-# grpc protobuf
-GRPC_PROTO_SRCS := $(PROTO_SRC_DIR)/control.proto
-PROTO_GEN_HEADERS += ${GRPC_PROTO_SRCS:src/%.proto=build/gen/%.pb.h} \
-	${GRPC_PROTO_SRCS:src/%.proto=build/gen/%.grpc.pb.h}
-PROTO_GEN_CC += ${GRPC_PROTO_SRCS:src/%.proto=build/gen/%.pb.cc} \
-	${GRPC_PROTO_SRCS:src/%.proto=build/gen/%.grpc.pb.cc}
-PROTO_OBJS += ${GRPC_PROTO_SRCS:src/nexus/%.proto=build/obj/%.pb.o} \
-	${GRPC_PROTO_SRCS:src/nexus/%.proto=build/obj/%.grpc.pb.o}
-
-# protoc config
-PROTOC = `which protoc`
-GRPC_CPP_PLUGIN = grpc_cpp_plugin
-GRPC_CPP_PLUGIN_PATH ?= `which $(GRPC_CPP_PLUGIN)`
-
-# c++ srcs and objs
-CXX_COMMON_SRCS := $(wildcard src/nexus/common/*.cpp)
-CXX_APP_SRCS := $(wildcard src/nexus/app/*.cpp)
-CXX_BACKEND_SRCS := $(wildcard src/nexus/backend/*.cpp)
-CXX_SCHEDULER_SRCS := $(wildcard src/nexus/scheduler/*.cpp)
-CXX_LIB_SRCS := $(shell find src ! -name "*_main.cpp" -name "*.cpp")
-CXX_TEST_SRCS := $(wildcard tests/cpp/*.cpp) $(wildcard tests/cpp/*/*.cpp)
-CXX_TOOL_SRCS := $(wildcard tools/*/*.cpp)
-
-CXX_COMMON_OBJS := $(patsubst src/nexus/%.cpp, build/obj/%.o, $(CXX_COMMON_SRCS)) $(PROTO_OBJS)
-CXX_APP_OBJS := $(patsubst src/nexus/%.cpp, build/obj/%.o, $(CXX_APP_SRCS))
-CXX_BACKEND_OBJS := $(patsubst src/nexus/%.cpp, build/obj/%.o, $(CXX_BACKEND_SRCS))
-CXX_SCHEDULER_OBJS := $(patsubst src/nexus/%.cpp, build/obj/%.o, $(CXX_SCHEDULER_SRCS))
-CXX_LIB_OBJS := $(patsubst src/nexus/%.cpp, build/obj/%.o, $(CXX_LIB_SRCS)) $(PROTO_OBJS)
-CXX_TEST_OBJS := $(patsubst tests/cpp/%.cpp, build/obj/tests/%.o, $(CXX_TEST_SRCS))
-CXX_TOOL_OBJS := $(patsubst %.cpp, build/obj/%.o, $(CXX_TOOL_SRCS))
-OBJS := $(CXX_COMMON_OBJS) $(CXX_APP_OBJS) $(CXX_BACKEND_OBJS) $(CXX_SCHEDULER_OBJS) \
-	$(CXX_TEST_OBJS) $(CXX_TOOL_OBJS)
-DEPS := ${OBJS:.o=.d}
-
-TEST_BIN := build/bin/test
-
-# c++ configs
-CXX = g++
-WARNING = -Wall -Wfatal-errors -Wno-unused -Wno-unused-result
-CXXFLAGS = -std=c++11 -O3 -fPIC $(WARNING) -Isrc -Ibuild/gen $(shell pkg-config --cflags protobuf)
-# Automatic dependency generation
-CXXFLAGS += -MMD -MP
-LD_FLAGS = -lm -pthread -lglog -lgflags -lgtest -lgtest_main \
-	-lboost_system -lboost_thread -lboost_filesystem -lyaml-cpp \
-	$(shell pkg-config --libs protobuf grpc++ grpc opencv)
-DLL_LINK_FLAGS = -shared
-ifeq ($(USE_GPU), 1)
-	CXXFLAGS += -I$(CUDA_PATH)/include
-	LD_FLAGS += -L$(CUDA_PATH)/lib64 -lcuda -lcudart -lcurand
-endif
-
-# library dependency
-DARKNET_ROOT_DIR = $(ROOTDIR)/frameworks/darknet
-DARKNET_BUILD_DIR = $(DARKNET_ROOT_DIR)
-CAFFE_ROOT_DIR = $(ROOTDIR)/frameworks/caffe
-CAFFE_BUILD_DIR = $(CAFFE_ROOT_DIR)/build
-CAFFE2_ROOT_DIR = $(ROOTDIR)/frameworks/caffe2
-CAFFE2_BUILD_DIR = $(CAFFE2_ROOT_DIR)/build
-CAFFE2_INSTALL_DIR = $(CAFFE2_ROOT_DIR)/install
-TENSORFLOW_ROOT_DIR = $(ROOTDIR)/frameworks/tensorflow
-TENSORFLOW_BUILD_DIR = $(ROOTDIR)/build/tensorflow/execroot/org_tensorflow/bazel-out/k8-opt
-
-BACKEND_DEPS =
-BACKEND_CXXFLAGS =
-BACKEND_LD_FLAGS =
-
-ifeq ($(USE_CAFFE2), 1)
-	BACKEND_DEPS += caffe2
-	BACKEND_CXXFLAGS += -DUSE_CAFFE2 -I$(CAFFE2_INSTALL_DIR)/include
-	BACKEND_LD_FLAGS += -L$(CAFFE2_INSTALL_DIR)/lib -lcaffe2 -lcaffe2_gpu -Wl,-rpath,$(CAFFE2_INSTALL_DIR)/lib
-	USE_CAFFE = 0
-endif
-ifeq ($(USE_CAFFE), 1)
-	BACKEND_DEPS += caffe
-	BACKEND_CXXFLAGS += -DUSE_CAFFE -I$(CAFFE_ROOT_DIR)/include -I$(CAFFE_BUILD_DIR)/src
-	BACKEND_LD_FLAGS += -L$(CAFFE_BUILD_DIR)/lib -lcaffe -Wl,-rpath,$(CAFFE_BUILD_DIR)/lib
-endif
-ifeq ($(USE_DARKNET), 1)
-	BACKEND_DEPS += darknet
-	BACKEND_CXXFLAGS += -DUSE_DARKNET -I$(DARKNET_ROOT_DIR)/src -I$(DARKNET_ROOT_DIR)/include
-	BACKEND_LD_FLAGS += -L$(DARKNET_BUILD_DIR) -ldarknet -Wl,-rpath,$(DARKNET_BUILD_DIR)
-endif
-ifeq ($(USE_TENSORFLOW), 1)
-	# BACKEND_DEPS += tensorflow
-	BACKEND_CXXFLAGS += -DUSE_TENSORFLOW
-	BACKEND_CXXFLAGS += -I$(TENSORFLOW_BUILD_DIR)/genfiles/tensorflow/include
-	BACKEND_CXXFLAGS += -I$(TENSORFLOW_BUILD_DIR)/genfiles/tensorflow/include/external/com_google_absl
-	BACKEND_LD_FLAGS += -L$(TENSORFLOW_BUILD_DIR)/bin/tensorflow -ltensorflow -ltensorflow_cc -ltensorflow_framework
-	BACKEND_LD_FLAGS += -Wl,-rpath,$(TENSORFLOW_BUILD_DIR)/bin/tensorflow
-endif
-
-all: proto python lib backend scheduler tools
-
-caffe: $(CAFFE_BUILD_DIR)/lib/libcaffe.so
-caffe2: $(CAFFE2_INSTALL_DIR)/lib/libcaffe2_gpu.so
-darknet: $(DARKNET_BUILD_DIR)/libdarknet.so
-# tensorflow: $(TENSORFLOW_BUILD_DIR)/lib/tensorflow/libtensorflow_cc.so
-tensorflow: ;
-
-$(CAFFE_BUILD_DIR)/lib/libcaffe.so:
-	cd $(CAFFE_ROOT_DIR) && $(MAKE) proto && $(MAKE) all && $(MAKE) pycaffe && cd -
-
-$(CAFFE2_INSTALL_DIR)/lib/libcaffe2_gpu.so:
-	@mkdir -p $(CAFFE2_BUILD_DIR)
-	@cd $(CAFFE2_BUILD_DIR) && \
-	cmake .. -DUSE_NNPACK=OFF -DUSE_NCCL=OFF -DCMAKE_INSTALL_PREFIX=../install \
-	&& $(MAKE) && $(MAKE) install
-
-$(DARKNET_BUILD_DIR)/libdarknet.so:
-	cd $(DARKNET_ROOT_DIR) && $(MAKE) all && cd -
-
-# $(TENSORFLOW_BUILD_DIR)/lib/tensorflow/libtensorflow_cc.so:
-# 	@mkdir -p $(TENSORFLOW_BUILD_DIR)
-# 	cd $(TENSORFLOW_BUILD_DIR) && cmake -DCMAKE_INSTALL_PREFIX=. .. && make
-# 	@if [ -e $(TENSORFLOW_ROOT_DIR)/bazel-bin/tensorflow/libtensorflow_cc.so ]; then \
-# 	 	cd $(TENSORFLOW_BUILD_DIR) && make install; \
-# 	else \
-# 		echo "Build Tensorflow failed"; exit 0; \
-# 	fi
-
-proto: $(PROTO_GEN_CC)
-
-python: $(PROTO_GEN_PY)
-
-lib: build/lib/libnexus.so
-
-backend: build/bin/backend
-
-scheduler: build/bin/scheduler
-
-tools: build/bin/profiler build/bin/test_pb
-
-test: build/bin/runtest
-
-runtest: test
-	@build/bin/runtest -model_root $(ROOTDIR)/tests/data/model_db
-
-build/lib/libnexus.so: $(CXX_COMMON_OBJS) $(CXX_APP_OBJS)
-	@mkdir -p $(@D)
-	$(CXX) $(DLL_LINK_FLAGS) -o $@ $^ $(LD_FLAGS)
-
-build/bin/backend: $(CXX_COMMON_OBJS) $(CXX_BACKEND_OBJS)
-	@mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) -o $@ $^ $(LD_FLAGS) $(BACKEND_LD_FLAGS)
-
-build/bin/scheduler: $(CXX_COMMON_OBJS) $(CXX_SCHEDULER_OBJS)
-	@mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) -o $@ $^ $(LD_FLAGS)
-
-build/bin/profiler: $(CXX_LIB_OBJS) build/obj/tools/profiler/profiler.o
-	@mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) -o $@ $^ $(LD_FLAGS) $(BACKEND_LD_FLAGS)
-
-build/bin/test_pb: $(CXX_LIB_OBJS) build/obj/tools/profiler/test_pb.o
-	@mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) -o $@ $^ $(LD_FLAGS) $(BACKEND_LD_FLAGS)
-
-build/bin/runtest: $(CXX_TEST_OBJS) $(CXX_LIB_OBJS)
-	@mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) -o $@ $^ $(LD_FLAGS) $(BACKEND_LD_FLAGS)
-
-build/gen/%.pb.cc build/gen/%.pb.h: src/%.proto
-	@mkdir -p $(@D)
-	$(PROTOC) -I$(PROTO_SRC_DIR) --cpp_out=$(@D) $<
-
-build/gen/%.grpc.pb.cc build/gen/%.grpc.pb.h: src/%.proto | build/gen/%.pb.h
-	@mkdir -p $(@D)
-	$(PROTOC) -I$(PROTO_SRC_DIR) --grpc_out=$(@D) --plugin=protoc-gen-grpc=$(GRPC_CPP_PLUGIN_PATH) $<
-
-$(PROTO_GEN_PY_DIR)/%_pb2.py: $(PROTO_SRC_DIR)/%.proto
-	@mkdir -p $(@D)
-	touch $(@D)/__init__.py
-	$(PROTOC) --proto_path=$(PROTO_SRC_DIR) --python_out=$(@D) $<
-
-build/obj/%.pb.o: build/gen/nexus/%.pb.cc build/gen/nexus/%.pb.h
-	@mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) -c $< -o $@
-
-build/obj/backend/%.o: src/nexus/backend/%.cpp | $(PROTO_GEN_HEADERS) $(BACKEND_DEPS)
-	@mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) $(BACKEND_CXXFLAGS) -c $< -o $@
-
-build/obj/%.o: src/nexus/%.cpp | $(PROTO_GEN_HEADERS)
-	@mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) -c $< -o $@
-
-build/obj/tools/%.o: tools/%.cpp | $(PROTO_GEN_HEADERS)
-	@mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) $(BACKEND_CXXFLAGS) -c $< -o $@
-
-build/obj/tests/%.o: tests/cpp/%.cpp
-	@mkdir -p $(@D)
-	$(CXX) $(CXXFLAGS) $(BACKEND_CXXFLAGS) -c $< -o $@
-
-.PRECIOUS: $(PROTO_GEN_HEADERS) $(PROTO_GEN_CC)
-
-.PHONY: proto python lib backend scheduler tools test runtest \
-	darknet caffe tensorflow \
-	clean clean-darknet clean-caffe clean-caffe2 clean-tensorflow cleanall
-
-clean:
-	rm -rf build/gen build/lib build/obj $(PROTO_GEN_PY_DIR) $(PROTO_GEN_CC) $(PROTO_GEN_HEADERS)
-
-clean-darknet:
-	cd $(DARKNET_ROOT_DIR) && $(MAKE) clean && cd -
-
-clean-caffe:
-	cd $(CAFFE_ROOT_DIR) && $(MAKE) clean && cd -
-
-clean-caffe2:
-	rm -rf $(CAFFE2_BUILD_DIR) $(CAFFE2_INSTALL_DIR)
-
-clean-tensorflow:
-	rm -rf $(TENSORFLOW_BUILD_DIR) $(TENSORFLOW_ROOT_DIR)/.tf_configure.bazelrc $(TENSORFLOW_ROOT_DIR)/bazel-*
-
-cleanall: clean clean-darknet clean-caffe clean-caffe2 clean-tensorflow
-
--include $(DEPS)
diff --git a/Makefile.config b/Makefile.config
deleted file mode 100644
index c651495..0000000
--- a/Makefile.config
+++ /dev/null
@@ -1,9 +0,0 @@
-USE_DARKNET := 1
-# USE_CAFFE and USE_CAFFE2 cannot be set to 1 at the same time
-USE_CAFFE2 := 1
-USE_CAFFE := 0
-USE_TENSORFLOW := 1
-USE_GPU := 1
-
-CUDA_PATH ?= /usr/local/cuda
-CUDNN_PATH ?= /usr/local/cuda
diff --git a/README.md b/README.md
index 9e1f4e5..9da9ebe 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,12 @@
 Nexus
 =====
+
 Nexus is a scalable and efficient serving system for DNN applications on GPU
 cluster.
 
-## Installation
+## Building Nexus
 
-See [INSTALL.md](INSTALL.md) for details.
+See [BUILDING.md](BUILDING.md) for details.
 
 ## SOSP 2019 Paper
 
diff --git a/build-deps.bash b/build-deps.bash
new file mode 100755
index 0000000..ddaec75
--- /dev/null
+++ b/build-deps.bash
@@ -0,0 +1,139 @@
+#!/bin/bash
+set -e
+set -x
+
+SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
+SRC_DIR="$SCRIPT_DIR/build-dep-src"
+INSTALL_DIR="$SCRIPT_DIR/build-dep-install"
+
+mkdir -p "$SRC_DIR"
+mkdir -p "$INSTALL_DIR"
+
+cd "$SRC_DIR"
+
+
+###### yaml-cpp 0.6.3 ######
+# ref: https://github.com/jbeder/yaml-cpp/tree/yaml-cpp-0.6.3
+if [ ! -d "$INSTALL_DIR/yaml-cpp" ]; then
+    wget -N https://github.com/jbeder/yaml-cpp/archive/yaml-cpp-0.6.3.tar.gz -O yaml-cpp-0.6.3.tar.gz
+    tar xf yaml-cpp-0.6.3.tar.gz
+    cd yaml-cpp-yaml-cpp-0.6.3/
+    mkdir build
+    cd build
+    cmake .. -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR/yaml-cpp" -DYAML_BUILD_SHARED_LIBS=ON
+    make -j$(nproc)
+    make install
+    cd ../..
+fi
+
+
+###### Boost 1.72.0 ######
+# ref: https://www.boost.org/doc/libs/1_72_0/more/getting_started/unix-variants.html
+if [ ! -d "$INSTALL_DIR/boost" ]; then
+    wget -N https://dl.bintray.com/boostorg/release/1.72.0/source/boost_1_72_0.tar.gz -O boost_1_72_0.tar.gz
+    tar xf boost_1_72_0.tar.gz
+    cd boost_1_72_0
+    ./bootstrap.sh --prefix="$INSTALL_DIR/boost"
+    ./b2 install --prefix="$INSTALL_DIR/boost" --without-python --without-mpi --layout=system -j$(nproc)
+    cd ..
+fi
+
+
+###### OpenCV 4.2.0 ######
+# ref: https://docs.opencv.org/4.2.0/d7/d9f/tutorial_linux_install.html
+if [ ! -d "$INSTALL_DIR/opencv" ]; then
+    wget -N https://github.com/opencv/opencv/archive/4.2.0.zip -O opencv-4.2.0.zip
+    unzip opencv-4.2.0.zip
+    cd opencv-4.2.0
+    mkdir build
+    cd build
+    cmake .. -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR/opencv" -DOPENCV_GENERATE_PKGCONFIG=ON -DBUILD_opencv_python2=OFF -DBUILD_opencv_python3=OFF -DBUILD_JAVA=OFF -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF -DWITH_QT=OFF -DWITH_GTK=OFF -DWITH_FFMPEG=OFF -DWITH_GSTREAMER=OFF -DBUILD_LIST=core,imgcodecs,imgproc
+    make -j$(nproc)
+    make install
+    cd ../..
+fi
+
+
+###### gflags 2.2.2 ######
+# ref: https://github.com/gflags/gflags/blob/master/INSTALL.md
+if [ ! -d "$INSTALL_DIR/gflags" ]; then
+    wget -N https://github.com/gflags/gflags/archive/v2.2.2.tar.gz -O gflags-2.2.2.tar.gz
+    tar xf gflags-2.2.2.tar.gz
+    cd gflags-2.2.2
+    mkdir build
+    cd build
+    cmake .. -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR/gflags" -DBUILD_SHARED_LIBS=ON
+    make -j$(nproc)
+    make install
+    cd ../..
+fi
+
+
+###### glog 0.4.0 ######
+# ref: https://github.com/google/glog/blob/master/cmake/INSTALL.md
+if [ ! -d "$INSTALL_DIR/glog" ]; then
+    wget -N https://github.com/google/glog/archive/v0.4.0.tar.gz -O glog-0.4.0.tar.gz
+    tar xf glog-0.4.0.tar.gz
+    cd glog-0.4.0
+    mkdir build
+    cd build
+    cmake .. -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR/glog" -DBUILD_SHARED_LIBS=ON
+    make -j$(nproc)
+    make install
+    cd ../..
+fi
+
+
+###### gtest 1.10.0 ######
+# ref: https://github.com/google/googletest/blob/master/googletest/README.md
+if [ ! -d "$INSTALL_DIR/gtest" ]; then
+    wget -N https://github.com/google/googletest/archive/release-1.10.0.tar.gz -O googletest-release-1.10.0.tar.gz
+    tar xf googletest-release-1.10.0.tar.gz
+    cd googletest-release-1.10.0
+    mkdir build
+    cd build
+    cmake .. -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR/gtest" -DBUILD_SHARED_LIBS=OFF
+    make -j$(nproc)
+    make install
+    cd ../..
+fi
+
+###### protobuf 3.8.0 (need to sync with TensorFlow) ######
+# TensorFlow dependency: https://github.com/tensorflow/tensorflow/blob/906f537c0be010929a0bda3c7d061de9d3d8d5b0/tensorflow/workspace.bzl#L472
+# ref: https://github.com/protocolbuffers/protobuf/blob/master/src/README.md
+if [ ! -d "$INSTALL_DIR/protobuf" ]; then
+    wget -N https://github.com/protocolbuffers/protobuf/archive/v3.8.0.tar.gz -O protobuf-3.8.0.tar.gz
+    tar xf protobuf-3.8.0.tar.gz
+    cd protobuf-3.8.0/
+    ./autogen.sh
+    ./configure --prefix="$INSTALL_DIR/protobuf"
+    make -j$(nproc)
+    make install
+    cd ..
+fi
+
+###### grpc 1.27.0 ######
+# ref: https://github.com/grpc/grpc/blob/master/BUILDING.md
+if [ ! -d "$INSTALL_DIR/grpc" ]; then
+    if [ ! -d grpc-1.27 ]; then
+        git clone -b v1.27.0 --depth 1 https://github.com/grpc/grpc grpc-1.27
+        cd grpc-1.27
+        git submodule update --init
+    else
+        cd grpc-1.27
+    fi
+    make -j$(nproc)
+    make install --prefix="$INSTALL_DIR/grpc"
+    cd ..
+fi
+
+###### bazel 1.2.1 ######
+if [ ! -d "$INSTALL_DIR/bazel" ]; then
+    wget -N https://github.com/bazelbuild/bazel/releases/download/1.2.1/bazel-1.2.1-linux-x86_64 -O bazel-1.2.1-linux-x86_64
+    chmod +x bazel-1.2.1-linux-x86_64
+    mkdir -p "$INSTALL_DIR/bazel"
+    mv bazel-1.2.1-linux-x86_64 "$INSTALL_DIR/bazel/"
+    ln -sf bazel-1.2.1-linux-x86_64 "$INSTALL_DIR/bazel/bazel"
+fi
+
+exit 0
diff --git a/build-tensorflow.bash b/build-tensorflow.bash
new file mode 100755
index 0000000..eaeba61
--- /dev/null
+++ b/build-tensorflow.bash
@@ -0,0 +1,167 @@
+#!/bin/bash
+set -e
+set -x
+
+SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
+SRC_DIR="$SCRIPT_DIR/build-dep-src"
+INSTALL_DIR="$SCRIPT_DIR/build-dep-install"
+
+mkdir -p "$SRC_DIR"
+mkdir -p "$INSTALL_DIR"
+
+cd "$SRC_DIR"
+
+if [ ! -d "$INSTALL_DIR/tensorflow" ]; then
+    # TensorFlow 2.0 master
+    git clone https://github.com/tensorflow/tensorflow.git
+fi
+cd tensorflow
+git checkout 906f537c0be010929a0bda3c7d061de9d3d8d5b0
+
+# Tensorflow build config
+export PYTHON_BIN_PATH=/usr/bin/python3
+export PYTHON_LIB_PATH="$($PYTHON_BIN_PATH -c 'import site; print(site.getsitepackages()[0])')"
+export TF_ENABLE_XLA=0
+export TF_NEED_OPENCL_SYCL=0
+export TF_NEED_ROCM=0
+export TF_NEED_CUDA=1
+export TF_NEED_TENSORRT=0
+export TF_CUDA_COMPUTE_CAPABILITIES=3.5,3.7,5.2,6.0,6.1,7.0,7.5
+export TF_CUDA_PATHS=/usr/local/cuda-10.0,/usr
+export TF_CUDA_CLANG=0
+export GCC_HOST_COMPILER_PATH=/usr/bin/gcc
+export TF_NEED_MPI=0
+export TF_SET_ANDROID_WORKSPACE=0
+export CC_OPT_FLAGS="-march=native -Wno-sign-compare"
+export PATH="$PATH:$INSTALL_DIR/bazel"
+./configure
+
+# Fix grpc (https://github.com/tensorflow/tensorflow/issues/33758#issuecomment-547867642)
+git checkout -- tensorflow/workspace.bzl
+rm -f third_party/grpc/backport-pr-18950.patch
+git apply << EOM
+From 73640aaec2ab0234d9fff138e3c9833695570c0a Mon Sep 17 00:00:00 2001
+From: Hiroshi Ogawa <hi.ogawa.zz@gmail.com>
+Date: Wed, 30 Oct 2019 15:06:40 +0900
+Subject: [PATCH] Backport grpc PR 18950
+
+---
+ tensorflow/workspace.bzl                 |  1 +
+ third_party/grpc/backport-pr-18950.patch | 66 ++++++++++++++++++++++++
+ 2 files changed, 67 insertions(+)
+ create mode 100644 third_party/grpc/backport-pr-18950.patch
+
+diff --git a/tensorflow/workspace.bzl b/tensorflow/workspace.bzl
+index d361130b358c3..5c120709bc652 100755
+--- a/tensorflow/workspace.bzl
++++ b/tensorflow/workspace.bzl
+@@ -517,6 +517,7 @@ def tf_repositories(path_prefix = "", tf_repo_name = ""):
+         sha256 = "67a6c26db56f345f7cee846e681db2c23f919eba46dd639b09462d1b6203d28c",
+         strip_prefix = "grpc-4566c2a29ebec0835643b972eb99f4306c4234a3",
+         system_build_file = clean_dep("//third_party/systemlibs:grpc.BUILD"),
++        patch_file = clean_dep("//third_party/grpc:backport-pr-18950.patch"),
+         urls = [
+             "https://storage.googleapis.com/mirror.tensorflow.org/github.com/grpc/grpc/archive/4566c2a29ebec0835643b972eb99f4306c4234a3.tar.gz",
+             "https://github.com/grpc/grpc/archive/4566c2a29ebec0835643b972eb99f4306c4234a3.tar.gz",
+diff --git a/third_party/grpc/backport-pr-18950.patch b/third_party/grpc/backport-pr-18950.patch
+new file mode 100644
+index 0000000000000..55290dfb40567
+--- /dev/null
++++ b/third_party/grpc/backport-pr-18950.patch
+@@ -0,0 +1,66 @@
++diff --git a/src/core/lib/gpr/log_linux.cc b/src/core/lib/gpr/log_linux.cc
++index 561276f0c2..8b597b4cf2 100644
++--- a/src/core/lib/gpr/log_linux.cc
+++++ b/src/core/lib/gpr/log_linux.cc
++@@ -40,7 +40,7 @@
++ #include <time.h>
++ #include <unistd.h>
++
++-static long gettid(void) { return syscall(__NR_gettid); }
+++static long sys_gettid(void) { return syscall(__NR_gettid); }
++
++ void gpr_log(const char* file, int line, gpr_log_severity severity,
++              const char* format, ...) {
++@@ -70,7 +70,7 @@ void gpr_default_log(gpr_log_func_args* args) {
++   gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME);
++   struct tm tm;
++   static __thread long tid = 0;
++-  if (tid == 0) tid = gettid();
+++  if (tid == 0) tid = sys_gettid();
++
++   timer = static_cast<time_t>(now.tv_sec);
++   final_slash = strrchr(args->file, '/');
++diff --git a/src/core/lib/gpr/log_posix.cc b/src/core/lib/gpr/log_posix.cc
++index b6edc14ab6..2f7c6ce376 100644
++--- a/src/core/lib/gpr/log_posix.cc
+++++ b/src/core/lib/gpr/log_posix.cc
++@@ -31,7 +31,7 @@
++ #include <string.h>
++ #include <time.h>
++
++-static intptr_t gettid(void) { return (intptr_t)pthread_self(); }
+++static intptr_t sys_gettid(void) { return (intptr_t)pthread_self(); }
++
++ void gpr_log(const char* file, int line, gpr_log_severity severity,
++              const char* format, ...) {
++@@ -86,7 +86,7 @@ void gpr_default_log(gpr_log_func_args* args) {
++   char* prefix;
++   gpr_asprintf(&prefix, "%s%s.%09d %7" PRIdPTR " %s:%d]",
++                gpr_log_severity_string(args->severity), time_buffer,
++-               (int)(now.tv_nsec), gettid(), display_file, args->line);
+++               (int)(now.tv_nsec), sys_gettid(), display_file, args->line);
++
++   fprintf(stderr, "%-70s %s\n", prefix, args->message);
++   gpr_free(prefix);
++diff --git a/src/core/lib/iomgr/ev_epollex_linux.cc b/src/core/lib/iomgr/ev_epollex_linux.cc
++index b6d13b44d1..e1cda21b3e 100644
++--- a/src/core/lib/iomgr/ev_epollex_linux.cc
+++++ b/src/core/lib/iomgr/ev_epollex_linux.cc
++@@ -1103,7 +1103,7 @@ static void end_worker(grpc_pollset* pollset, grpc_pollset_worker* worker,
++ }
++
++ #ifndef NDEBUG
++-static long gettid(void) { return syscall(__NR_gettid); }
+++static long sys_gettid(void) { return syscall(__NR_gettid); }
++ #endif
++
++ /* pollset->mu lock must be held by the caller before calling this.
++@@ -1123,7 +1123,7 @@ static grpc_error* pollset_work(grpc_pollset* pollset,
++ #define WORKER_PTR (&worker)
++ #endif
++ #ifndef NDEBUG
++-  WORKER_PTR->originator = gettid();
+++  WORKER_PTR->originator = sys_gettid();
++ #endif
++   if (grpc_polling_trace.enabled()) {
++     gpr_log(GPR_INFO,
+EOM
+
+# Fix install_headers (https://github.com/tensorflow/tensorflow/pull/36013)
+git checkout -- tensorflow/core/BUILD
+git apply << EOM
+diff --git a/tensorflow/core/BUILD b/tensorflow/core/BUILD
+index 422df45c79..d2dac95add 100644
+--- a/tensorflow/core/BUILD
++++ b/tensorflow/core/BUILD
+@@ -4481,7 +4481,7 @@ transitive_hdrs(
+     name = "headers",
+     visibility = ["//tensorflow:__subpackages__"],
+     deps = [
+-        ":core_cpu",
++        ":core",
+         ":framework",
+         ":lib",
+         ":protos_all_cc",
+EOM
+
+# Build
+bazel build --config=opt --config=noaws --config=nogcp --config=nohdfs --config=nonccl \
+    --noincompatible_do_not_split_linking_cmdline \
+    //tensorflow:libtensorflow_cc.so \
+    //tensorflow:libtensorflow_framework.so \
+    //tensorflow:install_headers
+
+# Copy files
+rm -rf "$INSTALL_DIR/tensorflow"
+cp -av bazel-out/k8-opt/bin/tensorflow "$INSTALL_DIR/tensorflow"
diff --git a/frameworks/tensorflow b/frameworks/tensorflow
deleted file mode 160000
index 42c4f4a..0000000
--- a/frameworks/tensorflow
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 42c4f4ab6b53bce8639c203d7839d27eac11bd2f
diff --git a/frameworks/tf_configure.bazelrc b/frameworks/tf_configure.bazelrc
deleted file mode 100644
index 7b74b8e..0000000
--- a/frameworks/tf_configure.bazelrc
+++ /dev/null
@@ -1,17 +0,0 @@
-build:xla --define with_xla_support=false
-build --action_env TF_NEED_OPENCL_SYCL="0"
-build --action_env TF_NEED_ROCM="0"
-build --action_env TF_NEED_CUDA="1"
-build --action_env TF_CUDA_VERSION="10.0"
-build --action_env TF_CUDNN_VERSION="7"
-build --action_env TF_NCCL_VERSION=""
-build --action_env TF_CUDA_COMPUTE_CAPABILITIES="6.1"
-build --action_env TF_CUDA_CLANG="0"
-build --action_env GCC_HOST_COMPILER_PATH="/usr/bin/gcc"
-build --config=cuda
-test --config=cuda
-build:opt --copt=-march=native
-build:opt --copt=-Wno-sign-compare
-build:opt --host_copt=-march=native
-build:opt --define with_default_optimizations=true
-build:v2 --define=tf_api_version=2