python PGTSP20.py
python PGTSP50_100.py

python TestLearnedAgent.py --load_path <model directory>/<model name>.pt --n_points <number of nodes> --test_size <number of instances in testset> --render

@inproceedings{sui2021learning,
  title={Learning 3-opt heuristics for traveling salesman problem via deep reinforcement learning},
  author={Sui, Jingyan and Ding, Shizhe and Liu, Ruizhi and Xu, Liming and Bu, Dongbo},
  booktitle={Asian Conference on Machine Learning},
  pages={1301--1316},
  year={2021},
  organization={PMLR}
}