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Yulong Wang

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#artificial intelligence Preprint Oct 2026

HyScale: Scaling Long-Context Training for Learned Sparse Attention

HyScale, a long-context training system for learned sparse attention, introduces HyTopK and selection replay, and speeds up GLM-5.1 training on 1M-token sequences by 2.07$\times$ over Megatron-LM on 512 H20 GPUs.

Yang-Shen Deng, Xin-Jing Huang, Yulong Wang et al. · 0 citations