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Hyperparameter Tricks in Multi-Agent Reinforcement Learning: An Empirical Study

2021-02-06 02:28:09
Jian Hu, Haibin Wu, Seth Austin Harding, Shih-wei Liao
arXiv_AI
         
Abstract

In recent years, multi-agent deep reinforcement learning has been successfully applied to various complicated scenarios such as computer games and robot swarms. We thoroughly study and compare the state-of-the-art cooperative multi-agent deep reinforcement learning algorithms. Specifically, we investigate the consequences of the "hyperparameter tricks" of QMIX and its improved variants. Our results show that: (1) The significant performance improvements of these variant algorithms come from hyperparameter-level optimizations in their open-source codes (2) After modest tuning and with no changes to the network architecture, QMIX can attain extraordinarily high win rates in all hard and super hard scenarios of StarCraft Multi-Agent Challenge (SMAC) and achieve state-of-the-art (SOTA). In this work, we proposed a reliable QMIX benchmark, which will be of great benefit to subsequent research. Besides, we proposed a hypothesis to explain the excellent performance of QMIX.

Abstract (translated)

URL

https://arxiv.org/abs/2102.03479

PDF

https://arxiv.org/pdf/2102.03479.pdf

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