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Sample-Efficient Automated Deep Reinforcement Learning

ICLR 2021 · Reinforcement learning › Visual and representation RL · approach: Task structure and curricula for meta-RL · 4 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Share collected replay experience across the population (ablation)SEARL optimizing TD3 · MuJoCoperformanceHelped
Add architecture adaptation (ablation)SEARL optimizing TD3 · HalfCheetahperformanceHelped
Add architecture adaptation (ablation)SEARL optimizing TD3 · Walker2DperformanceHurt
Add hyperparameter adaptation (ablation)SEARL optimizing TD3 · MuJoCoperformanceMixed
Re-create the target network and re-initialize the optimizer after each episode (ablation)TD3 · MuJoCoperformanceNo clear effect
Randomly initialize the population's hyperparameters instead of using the default initialization (ablation)SEARL · MuJoCoperformanceNo clear effect
Use shared replay and online population-based optimization instead of random search or modified PBTTD3 · MuJoCoenvironment interactions to reach the same reward: up to $10\times$Helped
Use SEARL rather than random searchRainbow DQN · Atarienvironment interactions to reach the same reward: an order of magnitudeHelped
Use SEARL rather than random searchRainbow DQN · Freewayfinal performanceHurt
Use SEARL rather than random searchRainbow DQN · Pong and RoadRunnerfinal performanceNo clear effect
Use SEARL rather than random searchRainbow DQN · Enduro and Boxingfinal performanceHelped
Optimize architecture and hyperparameters online rather than use a held-out tuned TD3 configurationSEARL · Held-out MuJoCo environmentsperformanceMixed

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