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Author

Er-Hu Feng

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Preprint Oct 2026

COPE: Composable Performance Emulation for Mixture-of-Experts Offloading Policies

As LLMs scale, mixture-of-experts (MoE) architectures increase model capacity while keeping per-token computation manageable through sparse expert activation. This sparsity also enables memory-efficient deployment by retaining most expert weights in CPU memory and transferring or executing only the routed experts on de...

Han-Ming Zhang, Er-Hu Feng · 0 citations
Book Open access Sep 2026

Skill VM: Write Once, Run Everywhere Efficiently

This work analyzes 118,000 skills and proposes SkillVM, a compilation and runtime system designed for portable and efficient skill execution that achieves up to 3.2× speedup with enhanced parallelism, and 19-50× latency reduction through code solidification.

Le Chen, Er-Hu Feng, Yu-Bin Xia et al. · 0 citations

Systematic Exploration of Multi-core Architectures for Efficient LLM Serving using ArguSim

WaferAI-SIM enables simulator-driven co-design of LLM serving strategies and multi-core accelerator architectures, targeting the early design stage in which emerging platforms are not yet broadly available for empirical serving studies, and provides guidance for co-designing hardware architectures and serving strategie...

Tian-Hao Zhu, Da-Hu Feng, Er-Hu Feng et al. · 2 citations

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