TensorFlow编Android so库总结

一、下载安装tensorflow

参考(http://blog.csdn.net/u013832707/article/details/73161071)

  1. 获取源码
    git clone –recurse-submodules https://github.com/tensorflow/tensorflow
    其中–recurse-submodules 参数是必须的, 用于获取 TesorFlow 依赖的 protobuf 库.
  2. 安装bazel
    安装bazel依赖
    sudo apt-get install pkg-config zip g++ zlib1g-dev unzip
    安装openjdk
    sudo add-apt-repository ppa:openjdk-r/ppa
    sudo apt-get update
    sudo apt-get install openjdk-8-jdk
    配置openjdk 8为默认java环境:
    sudo update-alternatives –config java
    sudo update-alternatives –config javac
    安装bazel
    Add Bazel distribution URI as a package source (one time setup)
    echo “deb [arch=amd64] http://storage.googleapis.com/bazel-apt stable jdk1.8” | sudo tee /etc/apt/sources.list.d/bazel.list
    curl https://bazel.build/bazel-release.pub.gpg | sudo apt-key add -
    If you want to install the testing version of Bazel, replace stable with testing.
    Install and update Bazel
    sudo apt-get update && sudo apt-get install bazel
    Once installed, you can upgrade to a newer version of Bazel with:
    sudo apt-get upgrade bazel
    (参考https://docs.bazel.build/versions/master/install-ubuntu.html)
    安装其他依赖
    sudo apt-get install python-numpy swig python-dev
    sudo apt-get install python-numpy python-dev python-pip python-wheel
    其中通过apt-get install 安装的pip太老了,需要升级
    sudo pip install –upgrade pip
    生机protobuf
    sudo pip install –upgrade protobuf
  3. 配置安装Tensorflow
    从源码树的根路径执行: ./configure
    到配置Android Workspace时,配置SDK路径和NDK路径(目前NDK支持1.4b,太高的话编译时会报fft2d错误)。

二、编译命令

编译so库
bazel build -c opt //tensorflow/contrib/android:libtensorflow_inference.so –crosstool_top=//external:android/crosstool –host_crosstool_top=@bazel_tools//tools/cpp:toolchain –cpu=armeabi-v7a
编译完毕后,libtensorflow_inference.so的路径为:
/tensorflow/bazel-bin/tensorflow/contrib/android
编译jar包
bazel build //tensorflow/contrib/android:android_tensorflow_inference_java
编译完毕后,android_tensorflow_inference_java.jar的路径为:
/tensorflow/bazel-bin/tensorflow/contrib/android

三、自定义so文件

修改目录为(/tensorflow/contrib/android)
<代码占位>

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