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Cooperative Exploration for Multi-Agent Deep Reinforcement Learning

ICML 2021 · Multi-agent systems and games › Cooperative multi-agent RL · approach: Intrinsic-reward exploration for MARL · 31 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add CMAE shared-goal exploration with restricted space selectionQ-learning on sparse-reward MPE · Pass-sparse, Secret-Room-sparse, Push-Box-sparsefinal episode reward: 1.00 vs 0.00 for baselinesHelped
add CMAE shared-goal explorationQ-learning on dense-reward MPE · Push-Box-densefinal episode reward: 1.38 vs 1.58 for Q-learningHurt
add CMAE shared-goal explorationQ-learning on dense-reward MPE · Pass-dense, Secret-Room-densefinal episode reward: 5.00 vs 1.25 (Pass); 4.00 vs 1.62 (Secret-Room)Helped
add count-based exploration bonus to QMIXQMIX on sparse-reward SMAC · 3m-sparse, 2m_vs_1z-sparsefinal success rate (%): 0.0 to 11.7 (3m); 0.0 to 19.8 (2m_vs_1z)Helped
add CMAE shared-goal exploration to QMIXQMIX on sparse-reward SMAC · 3m-sparse, 2m_vs_1z-sparsefinal success rate (%): 47.7 vs 11.7 (3m); 44.3 vs 19.8 (2m_vs_1z) against best baselineHelped
add CMAE to QMIX on dense-reward SMACQMIX on dense-reward SMAC · 3m-dense, 2m_vs_1z-dense, 3s_vs_5z-densefinal success rate (%): comparable to baselines (e.g., 81.3 vs 92.2/95.3 on 3s_vs_5z-dense)No clear effect
remove decoupling of target and exploration policies (ablation)CMAE on 3m-sparse · 3m-sparsesuccess rate (%): 47.7 to 25.4Hurt
add restricted space exploration (vs. exploring full state space directly) (ablation)CMAE on 3m-sparse · 3m-sparsesuccess rate (%): 47.7 vs 9.4 without restricted spacesHelped
CMAE on sparse 3s_vs_5zCMAE · 3s_vs_5z-sparsesuccess rate (%): 0.0 for all methodsNo clear effect

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