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PEBBLE: Feedback-Efficient Interactive Reinforcement Learning via Relabeling Experience and Unsupervised Pre-training

ICML 2021 · Reinforcement learning › Visual and representation RL · approach: Hierarchical skills and priors · 13 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use PEBBLE instead of Preference PPO with a budget of 1400 queriesHopper · Gym Hopperperformance relative to the respective oracle: 1400 queriesHelped
add pre-training (ablation)PrePPO · QuadrupedperformanceHelped
add pre-training (ablation)PrePPO · WalkerperformanceHelped
use PEBBLE rather than SAC with ground-truth rewardWalker · Walker, 1M timestepswall-clock time: 5 hours 26 mins -> 5 hours 47 minutesHurt
use PEBBLE for human feedbackHopper backflip · Hopper backflipnumber of queries: less than half as many queriesHelped

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