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Rollout-Level Advantage-Prioritized Experience Replay for GRPO

Gyeongtae Yoo, Sanghyeok Park, Soohyuk Jang, Ik-hwan Kim, Sungroh Yoon
Jun 5, 2026 at 04:00
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arXiv:2606.04560v2 Announce Type: replace-cross Abstract: Reinforcement learning from verifiable rewards with GRPO is a standard approach for post-training reasoning LLMs. It remains sample inefficient. Each rollout is used for a single gradient update and then discarded. Naive replay is not well suited in this setting because LLM policies drift...

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