DvD-TD3: Diversity via Determinants for TD3 version

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Deep LearningDvD_TD3
Overview

DvD-TD3: Diversity via Determinants for TD3 version

The implementation of paper Effective Diversity in Population Based Reinforcement Learning.

Install

Install pbrl and clone this repo:

git clone https://github.com/jjccero/DvD_TD3
cd DvD_TD3
python train.py

Notes

I train agents using multiprocessing, and demo_grad.py shows how gradients are transferred in different processes.

When DDP kernel matrix uses dot product kernel (or cosine similarity, see loss.py) as entry, we can take a linear mapping to make the value between 0 and 1.

Training may cost a lot because evaluation (bandits' update) after every iteration, so I reduced the frequency of evaluation to 0.01.


Thank Jack Parker-Holder (the author of the paper) for his help.
And welcome to get in touch with me if you have any questions about this implementation.

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