Hongqing Chen
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126
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2026
Libra: Taming Attention Workload Skew in Long-Context LLM Training with Bounded Sequence Pool
Libra is a load balancing approach for long-context LLM training that groups packed sequences into fixed-size pools and reduces attention workload variance, improving end-to-end throughput and straggler-attention speedup.
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Papers
cs.DCEmpiricalRecentJul 25, 2026
Libra: Taming Attention Workload Skew in Long-Context LLM Training with Bounded Sequence Pool
Yan Wang, Xiulong Yuan, Kaiming Yang, Jiaxuan Peng +15 more
Libra is a load balancing approach for long-context LLM training that groups packed sequences into fixed-size pools and reduces attention workload variance, improving end-to-end throughput and straggl…
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