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MegRL

Introduction

This is an implementation of 6 classic RL algorithms in MegEngine. The algorithms include DQN, DDPG, PG, A2C, SAC(continuous), and SAC(discrete). These algorithms can be run in the Classic Control, Atari, and MuJoCo environments in Gymnasium.

Environment

Before running the code, please install basecls[all], envpool, portalocker, h5py, numba, matplotlib, gymnasium[classic-control], gymnasium[atari], gymnasium[mujoco], AutoROM. And run:

AutoROM --accept-license

See requirement.txt for the full environment.

Training

You can run "python baserl/tools/train.py" to train a certain RL model on a given task, e.g.

python baserl/tools/train.py -task Classic/CartPole-v1 -alg DQN -save the_name_of_log_directory --seed 1

We offer many examples in the "scripts" directory. You can simply run

sh scripts/train_[algname]_[taskname].sh

to apply the algorithm "algname" to the task "taskname".

You can modify baserl/configs/[tasktype]_[algname]_cfg.py to set the hyperparameters, training scheme, log path and etc.

Evaluation

Similar to training, you can run "python baserl/tools/eval.py" to evaluate a trained RL model on a given task, e.g.

python baserl/tools/eval.py -task Atari/Pong -alg DQN -save the_name_of_log_directory --seed 1 --is_atari -load /path/to/the/model/checkpoint

Please make sure the setting in baserl/configs/[tasktype]_[algname]_cfg.py is compatible to the trained model to be evaluated.

Acknowledgement

The code borrows heavily from Tianshou by thu-ml, which is an RL platform based on PyTorch.