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Author

Hong Xu

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Libra: Efficient Resource Management for Agentic RL Post-Training

Libra is presented, an adaptive runtime for agentic RL post-training with two complementary components: intra-stage scheduling via a Causality-Guided Bucket Scheduler that routes requests across execution buckets with different parallelism configurations, reducing delays from rollout stragglers; and cross-stage coordin...

Kai Chen, Xin Tan, Jingzong Li et al. · 3 citations · ⚡1
Book Open access Aug 2026

Dynamic Compute and Network Orchestration for Disaggregated RL

This work builds Silverstone to orchestrate dynamically both compute and network in disaggregated RL, using a reconfigurable optical-electrical fabric called RFabric that achieves superior performance-cost efficiency at scale over static Fat-Tree networks.

Xin Tan, Yicheng Feng, Yu Zhou et al. · 1 citation

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