How to build and use Google TensorFlow C++ api

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I'm really eager to start using Google's new Tensorflow library in C++. The website and docs are just really unclear in terms of how to build the project's C++ API and I don't know where to start.

Can someone with more experience help by discovering and sharing a guide to using tensorflow's C++ API?

To get started, you should download the source code from Github, by following the instructions here (you'll need Bazel and a recent version of GCC).

The C++ API (and the backend of the system) is in tensorflow/core. Right now, only the C++ Session interface, and the C API are being supported. You can use either of these to execute TensorFlow graphs that have been built using the Python API and serialized to a GraphDef protocol buffer. There is also an experimental feature for building graphs in C++, but this is currently not quite as full-featured as the Python API (e.g. no support for auto-differentiation at present). You can see an example program that builds a small graph in C++ here.

The second part of the C++ API is the API for adding a new OpKernel, which is the class containing implementations of numerical kernels for CPU and GPU. There are numerous examples of how to build these in tensorflow/core/kernels, as well as a tutorial for adding a new op in C++.

Install TensorFlow for C, specific versions of Eigen and Protobuf, or add them as external dependencies. At the present time, only the C++ Session interface, and the C API are being supported. You can utilize both of these to execute TensorFlow graphs that have been built using the Python API and serialized to a GraphDef protocol buffer.

How to build and use Google TensorFlow C++ api, I'm really eager to start using Google's new Tensorflow library in C++. The website and docs are just really unclear in terms of how to build the project's C++ API  TensorFlow provides a C API that can be used to build bindings for other languages. The API is defined in c_api.h and designed for simplicity and uniformity rather than convenience. Note: There is no libtensorflow support for TensorFlow 2 yet.

TensorFlow C++ API Installation Instructions, I am writing to request instructions on how to install the TensorFlow There are very detailed instructions on installing the Python API and even the C one. I haven't tried building with CMake outside of Windows, but, while it  Machine learning researchers use the low-level APIs to create and explore new machine learning algorithms. In this class, you will use a high-level API named tf.keras to define and train machine learning models and to make predictions. tf.keras is the TensorFlow variant of the open-source Keras API.

First, after installing protobuf and eigen, you'd like to build Tensorflow:

./configure
bazel build //tensorflow:libtensorflow_cc.so

Then Copy the following include headers and dynamic shared library to /usr/local/lib and /usr/local/include:

mkdir /usr/local/include/tf
cp -r bazel-genfiles/ /usr/local/include/tf/
cp -r tensorflow /usr/local/include/tf/
cp -r third_party /usr/local/include/tf/
cp -r bazel-bin/libtensorflow_cc.so /usr/local/lib/

Lastly, compile using an example:

g++ -std=c++11 -o tf_example \
-I/usr/local/include/tf \
-I/usr/local/include/eigen3 \
-g -Wall -D_DEBUG -Wshadow -Wno-sign-compare -w  \
-L/usr/local/lib/libtensorflow_cc \
`pkg-config --cflags --libs protobuf` -ltensorflow_cc tf_example.cpp

Use TensorFlow C++ API with OpenCV3 - zong fan, Installing TensorFlow (TF) C++ API is much more complicated and make g++ unzipcurl -OL https://github.com/google/protobuf/releases/ Attention here: if you want to use C API, build tensorflow/libtensorflow.so , if C++ API,  This is a basic tutorial designed to familiarize you with TensorFlow applications. When you are finished, you should be able to: Create a virtual machine (VM) using Compute Engine. Install the Object Detection API library. Install and launch an object detection web application.

If you are thinking into using Tensorflow c++ api on a standalone package you probably will need tensorflow_cc.so ( There is also a c api version tensorflow.so ) to build the c++ version you can use:

bazel build -c opt //tensorflow:libtensorflow_cc.so

Note1: If you want to add intrinsics support you can add this flags as: --copt=-msse4.2 --copt=-mavx

Note2: If you are thinking into using OpenCV on your project as well, there is an issue when using both libs together (tensorflow issue) and you should use --config=monolithic.

After building the library you need to add it to your project. To do that you can include this paths:

tensorflow
tensorflow/bazel-tensorflow/external/eigen_archive
tensorflow/bazel-tensorflow/external/protobuf_archive/src
tensorflow/bazel-genfiles

And link the library to your project:

tensorflow/bazel-bin/tensorflow/libtensorflow_framework.so (unused if you build with --config=monolithic)
tensorflow/bazel-bin/tensorflow/libtensorflow_cc.so

And when you are building your project you should also specify to your compiler that you are going to use c++11 standards.

Side Note: Paths relative to tensorflow version 1.5 (You may need to check if in your version anything changed).

Also this link helped me a lot into finding all this infos: link

tensorflow/tensorflow: An Open Source Machine Learning , TensorFlow provides stable Python and C++ APIs, as well as non-guaranteed backward Linux CPU with Intel® MKL-DNN Stable Release, Build Status  This tutorial is for: - Anyone who want to call the tensorflow pb file through cpp program in Windows - Anyone who wants to build the tensorflow CPU version from source code in Windows using CMake

Feature request: provide a means to configure, build, and install that , https://stackoverflow.com/questions/33620794/how-to-build-and-use-google-​tensorflow-c-api. That question is two years old(!!) and none of the  Use the Pricing Calculator to generate a cost estimate based on your projected usage. Set up and test your Cloud environment. Complete the following steps to set up a GCP account, activate the AI Platform API, and install and activate the Cloud SDK. Set up your GCP project. Sign in to your Google Account.

tensorflow/c/BUILD - external/github.com/tensorflow , C API for TensorFlow, for use by client language bindings. load(. "//tensorflow:​tensorflow.bzl",. "tf_cc_test",. "tf_copts",. "tf_cuda_library",. "tf_custom_op_library",​. bazel-bin\tensorflow\tools\pip_package\build_pip_package C:/tmp/tensorflow_pkg Although it is possible to build both CUDA and non-CUDA configs under the same source tree, we recommend running bazel clean when switching between these two configurations in the same source tree.

TensorFlow, TensorFlow is a free and open-source software library for dataflow and differentiable programming across a range of tasks. It is a symbolic math library, and is also used for machine learning applications such as neural networks. It is used for both research and production at Google. "New language support should be built on top of the C API. The C++ API (and the backend of the system) is in tensorflow/core. Right now, only the C++ Session interface, and the C API are being supported. You can use either of these to execute TensorFlow graphs that have been built using the Python API and serialized to a GraphDef protocol buffer.

Comments
  • +1 for your question. Any chance to install/compile on Windows ? Website shows only Linux/Mac . A guide to have bazel run is needed. This example could be a good starting point to learn: github.com/tensorflow/tensorflow/tree/master/tensorflow/…
  • This question still doesn't have an answer. How to install just C++ tensorflow C++ API libraries has no guide to it, and the accepted answer does not give any guidence on how to that, even through any of multiple provided links.
  • For Windows, I found this question and its accepted answer most helpful. By building the example trainer project, you build the entire TensorFlow project as a static library, then link to it. You can make your own projects and link TensorFlow the same way.
  • No installation instructions for C++ is shown tensorflow.org/install, but there are example programs shown tensorflow.org/api_guides/cc/guide that clearly is using C++ api. How exactly did you install C++ for Tensorflow?
  • @user3667089 The location of the installation procedure is now located at tensorflow.org/install/install_sources
  • @Dwight I saw that page before but I don't see any info about C++
  • @user3667089 The headers, after the installation procedure above, will be located within the dist-packages folder of the python distribution you choose during the installation procedure(such as /usr/local/lib/python2.7/dist-packages). In that folder there will be a folder tensorflow/include, which will have all the headers. You'll need to do a little bit of work for making sure whatever you are building has that on it's include path. I personally use CMAKE, so am trudging through this.
  • This is not a real answer up to this date. It starts with "To get started" and then links no relevant info in a place that people looking guidance here would already looked up. It then fails to provide next step, changing subject.
  • Hello Jim. is this tutorial still the best/easiest way to compile a c++ project with TF? Or is there an easier way now as you predict at the end of your post?
  • I believe there is now a built-in build rule. I submitted a PR for it a while back. I'm not sure about the caveats. I would expect the first to remain as it's a result of Bazel, not TF. The second could likely be improved upon.
  • I followed that tutorial, but when running ./loader I get an error: Not found: models/train.pb.
  • Is there now way to have your project outside of the TensorFlow source code directory?
  • yep, how to make it oustide given you have shared .so library of tensorflow?