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It Takes Four to Tango: Multiagent Self Play for Automatic Curriculum Generation

ICLR 2022 · Reinforcement learning › Visual and representation RL · approach: Curriculum and environment design · 4 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use two symmetrized regret-based goal generators instead of one (ablation)CuSP on most tasks · OOD random goalssuccess rateHelped
Use two symmetrized regret-based goal generators instead of one (ablation)CuSP · Reach OOD random goalssuccess rateMixed
Add entropy regularization to the regret-based goal generator (ablation)CuSP · Most environments; OOD random-goal evaluationsuccess rateHelped
Remove entropy regularization (ablation)CuSP · Walkersuccess rateHelped
Add a replay buffer for goal regrets (ablation)CuSP goal generator · Tosssuccess rateHelped
Add entropy regularization and a replay buffer to the regret objective (ablation)CuSP goal generator · Toss OOD random goalssuccess rateHelped
Add dynamic regret updates to the replay buffer (ablation)CuSP · Hard skill-specific goals, including Walker Far Rightsuccess rateHelped
Add dynamic regret updates to the replay buffer (ablation)CuSP · Point Mass Obstacle and Toss OOD random goalssuccess rateNo clear effect
Use two separately initialized learners to define regret rather than one learner's returns across two rollouts (ablation)CuSP on Toss · Tosssuccess rateHelped
Use dense rather than sparse reward for ASP+BC goal demonstration (ablation)ASP+BC · Point Mass OOD goalssuccess rateHelped
Train Bob with SAC rather than PPO (ablation)ASP+BC · Control taskssuccess rateHelped
Train the goal generator with SAC rather than PPO or Adam (ablation)CuSP goal generator · Toy flat regret landscapeability to find the peakHelped

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