A PyTorch implementation of SEED, originally created by Google Research for TensorFlow 2.

This project has initially been designed as part of the master thesis Scaling Reinforcement Learning by Michael Janschek.

Trained model files are included in the data subfolder.

• Online Documentation
• Example Notebook
• Original SEED Repository
• SEED RL Paper

To install this tool, clone the Git repository from Github and install directly from the source using pip:

> git clone https://github.com/mjanschek/pytorch_seed_rl.git
> cd pytorch_seed_rl
> pip install .

> python -m pytorch_seed_rl.run ExperimentName

This will create a saving directory at the path ~/logs/pytorch_seed_rl/ExperimentName, where all data generated will be saved. This defaults to being log data that is written to csv files in the subdirectory /csv/. If the flag --render is used, the algorithm will create gif files of episodes that achieved a new record return. These gifs are saved in another subdirectory /gif/. Note that frames that are used for gifs are copied from the inference pipeline, this implies that all preprocessing of environment states also affect the frames used for a gif.

> python -m pytorch_seed_rl.eval ExperimentName

This will search for the file saving directory at the path ~/logs/pytorch_seed_rl/ExperimentName/model/final_model.pt that is always created after an experiment conducted with this project reached one of its shutdown criteria.

If a model file is found, the function will run a simple interaction loop using a single actor and a single environment. A subdirectory /eval/ is created within the experiments folder. There, the subdirectories /csv/ and /gif/ are created as needed, depending on set flags. Note that the --render flag does record every episode the actor plays. Frames that are used for gifs are copied from the inference pipeline, this implies that all preprocessing of environment states also affect the frames used for a gif.