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Chuan Wu

HKU professor and HybridFlow/Laminar senior author; Borui Wan's OpenReview profile lists Chuan Wu as PhD advisor. No high-confidence personal X account was found.

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Jun 28, 2026

Laminar: A Scalable Asynchronous RL Post Training Framework

Laminar 让完成 trajectory 独立进入 experience buffer，再用 CPU/RDMA relay 允许各 rollout 在本地生成 batch 结束或被 repack 释放后独立拉取新权重，并把同 weight version 的尾部请求集中到少数 rollout；1024 张 H800 实验支持这套设计能提高短窗口 actor update throughput，训练时实际 policy lag、GR...

2510.12633-laminar-asynchronous-rl-post-training RL InfrastructureRollout OptimizationDistributed Training
Jan 27, 2026

HybridFlow: A Flexible and Efficient RLHF Framework

HybridFlow 的核心贡献是把 RLHF 训练看成由多个大模型节点组成的复杂 dataflow，并提出一个混合控制架构：模型之间用 single controller 统一编排和数据重分片，模型内部用 multi controller 执行高效分布式训练/推理/生成；再配合 3D HybridEngine 和自动设备映射，在 PPO、ReMax、Safe RLHF 等 RLHF 算法上比 DeepSpeed Chat、OpenR...

2409.19256-hybridflow-rlhf-framework RL InfrastructureDistributed TrainingRollout Optimization