Papers › Recurrent Experience Replay in Distributed Reinforcement Learning
Recurrent Experience Replay in Distributed Reinforcement Learning
Steven Kapturowski, Georg Ostrovski, Will Dabney, John Quan, Remi Munos
Building on the recent successes of distributed training of RL agents, in this paper we investigate the training of RNN-based RL agents from distributed prioritized experience replay. We study the effects of parameter lag resulting in representational drift and recurrent state staleness and empirically derive an improved training strategy. Using a single network architecture and fixed set of hyperparameters, the resulting agent, Recurrent Replay Distributed DQN, quadruples the previous state of the art on Atari-57, and surpasses the state of the art on DMLab-30. It is the first agent to exceed human-level performance in 52 of the 57 Atari games.
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Methods
Introduced by this paper: R2D2
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