Deep Graph Library

Architecture

Show below, there are three sets of APIs for different models.

• update_all, proppagate are more global
• update_by_edge, update_to and update_from give finer control when updates are applied to a path, or a group of nodes
• sendto and recvfrom are the bottom primitives that update a message and node.

For Model developers

• Always choose the API at the highest possible level.
• Refer to the GCN example to see how to register message and node update functions;

How to build (the cpp branch)

Before building, make sure that the submodules are cloned. If you haven't initialized the submodules, run

$ git submodule init

To sync the submodules, run

$ git submodule update

At the root directory of the repo:

$ mkdir build
$ cd build
$ cmake ..
$ make
$ export DGL_LIBRARY_PATH=$PWD

The DGL_LIBRARY_PATH environment variable should point to the library libdgl.so built by CMake.