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Author

Hao Wang

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Preprint Sep 2026

Co-Fabric: Breaking Host-Domain Boundaries for Unified xPU Interconnection

Large-model parameters have grown beyond the capacity of a single xPU, dispersing across multiple xPUs spanning distinct host domains, where xPU-to-xPU communication dominates overall system efficiency. Existing scale-up interconnect remains inadequate: network-based solutions built on Ethernet--such as RoCE (RDMA over...

Zhe-Zhe Peng, Jia-Ming Huang, Chao-Fan Chen et al. · 0 citations
Book Open access Aug 2026

Scale-up PIFO: Interleaving Multiple Priority Queues for High Speed Programmable Scheduling

Scale-up PIFO is the first programmable scheduling framework reaching 1.6 Tbps by interleaving across multiple PIFO queues, andPacket-level simulations show significant reductions in scheduling error and short-flow Flow Completion Time (FCT) over prior approximate PIFO schemes.

Hao Mei, Shili Chen, Xu Chen et al. · 0 citations

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