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Consistent Dropout for Policy Gradient Reinforcement Learning

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arxiv 2202.11818 v1 pith:MHYEWR5Y submitted 2022-02-23 cs.LG cs.AI

classification cs.LGcs.AI
keywords dropoutconsistentlearningenablesreinforcementtrainingacrossaction
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Dropout has long been a staple of supervised learning, but is rarely used in reinforcement learning. We analyze why naive application of dropout is problematic for policy-gradient learning algorithms and introduce consistent dropout, a simple technique to address this instability. We demonstrate consistent dropout enables stable training with A2C and PPO in both continuous and discrete action environments across a wide range of dropout probabilities. Finally, we show that consistent dropout enables the online training of complex architectures such as GPT without needing to disable the model's native dropout.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Generalized Locomotion in Out-of-distribution Conditions with Robust Transformer

    cs.RO 2025-07 conditional novelty 6.0 of 10

    A transformer with body tokenization and consistent dropout generalizes to unseen leg damages and sensor noise while trained on limited dynamics and clean observations.

  2. Spatially-Enhanced Recurrent Memory for Long-Range Mapless Navigation via End-to-End Reinforcement Learning

    cs.RO 2025-06 conditional novelty 5.0 of 10

    A modified recurrent unit with an input-multiplied gate improves spatial memory and long-range mapless navigation success rates by about 23.5% over standard RNNs in simulation and transfers zero-shot to a real robot.

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