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Yi Xu

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#artificial intelligence Preprint Sep 2026

EMA: Elastic and Performance Transparent Memory Across GPUs

Multi-GPU servers have become the standard building block of modern data centers, providing aggregated capacity through high-bandwidth interconnects. At the same time, workloads such as LLM inference exhibit highly dynamic memory demands, which can cause one GPU to exhaust its local memory while others remain underutil...

Yi Xu, Tian Xia, Ion Stoica · 0 citations
#artificial intelligence Preprint Sep 2026

Occamy-1.0: Open Pareto-frontier 35B Intelligence for Co-work

Co-work agents execute complex workflows that combine information gathering, tool use, coding, and file manipulation across many model invocations. Because cost and latency accumulate over the full episode, their practical value depends not only on peak capability but also on how efficiently that capability is delivere...

Wen-Hui Chen, Shi-Wen Cheng, Hao Dong et al. · 3 citations

Attention Amnesia in Hybrid LLMs: When CoT Fine-Tuning Breaks Long-Range Recall, and How to Fix It

QK-Restore consistently restores long-context capability at zero training cost while preserving reasoning performance; for instance, on HypeNet-5B it improves S3@256K from $65.4\%$ to $76.4\%$ while maintaining strong reasoning performance.

Xinyu Zhou, Boyuan Zhu, Yi Xu et al. · 0 citations

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