[KongchangAI]
Unverified50% confidenceFactExact time

PPO等主流RL算法依赖rollout阶段采集的log概率来计算重要性采样比率,若推理与训练引擎的log-prob存在系统性偏差会导致策略梯度方差增大甚至训练发散

1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen

Sources

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