Author

Yuedong Xu

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Preprint Oct 2026

Fast and Memory Efficient Offload Training Framework with Hybrid XPU Computation

With the ever-growing size of deep learning models, GPU memory is prone to being insufficient during training. A prominent approach is ZeRO-Offload, which moves the optimizer states to CPU memory and performs parameter update using CPU. However, the deficiencies of ZeRO-Offload include low GPU utilization, imperfect ov...

Zhi-Yi Yao, Zu-Ning Liang, Yue-Dong Xu et al. · 0 citations

#natural language process... Preprint Sep 2026

Replay the Curvature: Accurate and Scalable NVFP4 Quantization for Large Language Model Inference

This work introduces Schur Replay, a scale-selection algorithm that reproduces the GPTQ updates caused by each block scale and scores the resulting block error after accounting for compensation from unquantized columns.

Rui-Ying Ding, Jie Li, Kang He et al. · 0 citations

Jul 2026

DualDecoder: Accelerate Long Context LLM Inference by Predictive Prefetch

DualDecoder is presented, a lightweight serving system for long-context LLM inference that enables efficient sparse KV cache retrieval from host memory that leverages a novel dual-token decoding pipeline that accurately identifies critical KV entries with negligible computational overhead.

Zuning Liang, Zhiyi Yao, Qi Chen et al. · arXiv.org · 1 citation