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gflownet-combopt's Introduction

GFlowNet-CombOpt

Pytorch implementation for our paper

Let the Flows Tell: Solving Graph Combinatorial Optimization Problems with GFlowNets.

Dinghuai Zhang, Hanjun Dai, Nikolay Malkin, Aaron Courville, Yoshua Bengio, Ling Pan.

We formulate a set of graph combinatorial optimization problems as sequential decision-making sampling problems, and design efficient GFlowNet algorithms to tackle them.

Dependency

pip install hydra-core==1.1.0 omegaconf submitit hydra-submitit-launcher
pip install dgl==0.6.1

Data generation

cd data/
python rbgraph_generator.py --num_graph 4000 --save_dir rb200-300/train
python rbgraph_generator.py --num_graph 500 --save_dir rb200-300/test

Training

cd gflownet/
python main.py input=rb200-300 alg=fl bsit=8

gflownet-combopt's People

Contributors

zdhnarsil avatar

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