arXiv — cs.AI preprintsInternational21 October 2026
Batched Contextual Reinforcement II: Does RLVR Need Long Rollout Windows?
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arXiv:2610.22887v2 Announce Type: replace-cross Abstract: Long rollout windows make reinforcement learning with verifiable rewards (RLVR) expensive, yet simply shortening them can remove the correctness signal: when every single-problem rollout truncates before an answer, group-relative accuracy advantages vanish. As a technical continuation of Batched Contextual Reinforcement (BCR), we study how concurrent rewards relax this dependence on long windows. Concurrent Constraint Reinforcement (CCR) places three independently verifiable problems in one capped training completion. Correct answers co
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