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cs.DC2026
WeightBridge: An Efficient Weight Transfer Library for Reinforcement Learning
Xuanlin Jiang, Samuel Hsia, Michael Kuchnik +3
Weight transfer - the propagation of updated parameters from trainers to rollout generators - is becoming an important performance bottleneck in reinforcement learning (RL) systems…
cs.DC2026
ScaleAcross Explorer: Exploring Communication Optimization for Scale-Across AI Model Training
Minghao Li, Alicia Golden, Samuel Hsia +14
The rapid scaling of large language model training requires distributing GPU resources across multiple data center buildings and regions. We refer to such paradigm as "scale-across…