Ragdoll Ragdoll is a distributed GNN system on GPUs. Currently, it uses DGL for single GPU computation and GCCL for graph communication. Prerequisites git clone --recursively GCCL installation on ${GCCL_HOME} python==3.6 DGL==0.4.3.post2 pip install dgl-cu102==0.4.3.post2 Pytorch==1.7.1 pip install torch torchvision BUILD ./build.sh Example GCN ./run_gcn.sh GIN ./run_gin.sh