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INSTALL.md

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This document explains how to build, test, and install the SDK.

Building the Code

To get started, clone the code from the repository and also download dependent libraries by running

git clone https://github.com/doyubkim/fluid-engine-dev.git
cd fluid-engine-dev.git
git submodule init
git submodule update

To build the code, a compiler that supports C++11 is required. Platform-specific build instructions are described below.

Building from macOS

Jet supports OS X 10.10 Yosemite or higher. Also, Xcode 6.4 or higher and the command line tools are required for building Jet. Once ready, install Homebrew and run the following command line to setup CMake:

brew install cmake python

Note that we want brew version of Python which is recommended. You can still use macOS's default Python.

Optionally, which is recommended, you can Intel TBB for multithreading backend:

brew install tbb

Once CMake and Python is installed, build the code by running

mkdir build
cd build
cmake ..
make

Of course, use make -j<num_threads> flag to boost up the build performance by using multithreads. Also, pass -DJET_TASKING_SYSTEM=TBB or -DJET_TASKING_SYSTEM=CPP11Threads to the cmake command in order to explicitly enable either Intel TBB or C++11 thread-based multithreading backend. If not specified, the build script will try to use Intel TBB first. If not found, it will fall back to C++11 threads.

This will build entire codebase. To run the unit test, execute

bin/unit_tests

It should show all the tests are passing.

Building from Ubuntu

Jet supports Ubuntu 14.04 or higher. Using apt-get, install required tools and libraries by running,

sudo apt-get install build-essential python-dev python-pip cmake

Optionally, which is recommended, you can Intel TBB for multithreading backend:

sudo apt-get install libtbb-dev

This will install GNU compilers, python, and CMake. Once installed, build the code by running

mkdir build
cd build
cmake ..
make

Again, use make -j<num_threads> flag to boost up the build performance by using multithreads. Also, pass -DJET_TASKING_SYSTEM=TBB, -DJET_TASKING_SYSTEM=OpenMP or -DJET_TASKING_SYSTEM=CPP11Threads to the cmake command in order to explicitly enable either Intel TBB , OpenMP, or C++11 thread-based multithreading backend. If not specified, the build script will try to use Intel TBB first. If not found, it will fall back to OpenMP and then C++11 threads.

This will build entire codebase. To run the unit test, execute

bin/unit_tests

It should show all the tests are passing.

Building from Windows

To build the code on Windows, CMake, Python, and Visual Studio 2015 (or higher) is required. Windows' version of CMake is available from this website, Python installer can be downloaded from here. For Python, version 2.7.9 or later is recommended. To install Visual Studio, the community edition of the tool can be downloaded from Visual Studio Community 2015. You can also use Visual Studio 2017.

Once everything is installed, run the following commands:

md build
cd build
cmake .. -G"Visual Studio 14 2015 Win64"

Again, pass -DJET_TASKING_SYSTEM=TBB, -DJET_TASKING_SYSTEM=OpenMP or -DJET_TASKING_SYSTEM=CPP11Threads to the cmake command in order to explicitly enable either Intel TBB , OpenMP, or C++11 thread-based multithreading backend. If not specified, the build script will try to use Intel TBB first. If not found, it will fall back to OpenMP and then C++11 threads.

This will generate 64-bit version of VS 2015 solution and projects. (To build with Visual Studio 2017, just replace the parameter with Visual Studio 15 2017 Win64.) Once executed, you can find jet.sln solution file in the build directory. Open the solution file and hit Ctrl + Shift + B to build the entire solution. Set unit_tests as a start-up project and hit Ctrl + F5 to run the test.

Alternatively, you can use MSBuild to build the solution from the command prompt. In such case, simply run:

MSBuild jet.sln /p:Configuration=Release

This will build the whole solution in release mode. Once built, run the following command to execute unit tests:

bin\Release\unit_tests.exe

Running Tests

There are four different tests in the codebase including the unit test, manual test, time/memory performance tests, and Python API test. For the detailed instruction on how to run those tests, please checkout the documentation page from the project website.

Code Coverage

Jet uses lcov for the code coverage. For macOS and Ubuntu platforms, the code coverage report can be generated by running

mkdir build
cd build
cmake .. -DCMAKE_BUILD_TYPE=Debug
make -j 8
lcov -c -i -d src/tests/unit_tests -o base.info
bin/unit_tests
lcov -c -d src/tests/unit_tests -o test.info
lcov -a base.info -a test.info -o coverage.info
lcov -r coverage.info '/usr/*' -o coverage.info
lcov -r coverage.info '*/external/*' -o coverage.info
lcov -r coverage.info '*/src/tests/*' -o coverage.info
lcov -l coverage.info
genhtml coverage.info -o out

This will exports the code coverage report index.html under out folder.

Installing C++ SDK

For macOS and Ubuntu platforms, the library can be installed by running

cmake .. -DCMAKE_INSTALL_PREFIX=_INSTALL_PATH_
make
make install

This will install the header files and the static library libjet.a under _INSTALL_PATH_.

For Windows, run:

cmake .. -G"Visual Studio 14 2015 Win64" -DCMAKE_INSTALL_PREFIX=_INSTALL_PATH_

Then, build INSTALL project under jet.sln. This will install the header files and the static library jet.lib under _INSTALL_PATH_.

Installing Python SDK

To install the Python SDK, pyjet, run the following command from the project root directory (where setup.py lives):

pip install -U .

You can also use virtualenv to isolate the SDK installation. Check out the virtualenv documentation for more details.

To run the test/example scripts, install other Python dependencies as follows:

pip install -r requirements.txt

Once installed, try running the unit test to see if the module is installed correctly:

pytest src/tests/python_tests

The tests should pass.

Using Docker

You can also use pre-built docker image by pulling the latest version from Docker Hub:

docker pull doyubkim/fluid-engine-dev

Run a container and see if it can import pyjet module and the unit test passes:

docker run -it doyubkim/fluid-engine-dev
python import -c "pyjet"

docker run doyubkim/fluid-engine-dev /app/build/bin/unit_tests

You can also build the image from the source as well. From the root directory of this codebase, run:

docker build -t doyubkim/fluid-engine-dev .

Coding Style

Jet uses clang-format. Checkout .clang-format file for the style guideline.

Continuous Integration

The build quality is tracked by Travis CI for Linux and Mac. For Windows, AppVeyor is used. Any pull requests must pass all the builds.