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Zhenzhe Zheng

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#machine learning Preprint Sep 2026

EStream: Fast and Memory-Efficient MoE Prefill through Expert Virtualization on Mobile NPUs

Mobile vendors and application developers increasingly deploy LLMs on smartphones for diverse prefill-only services. Yet current systems rely mainly on dense models whose regular computation maps efficiently to mobile NPUs, leaving more capable MoEs underused. MoE prefill does not fit mobile NPUs: NPU graphs are fixed...

Jun-Ming Zhang, Zhen-Zhe Zheng, Fan Wu et al. · 0 citations
Book Open access Aug 2026

Two-Stage Auctions with Bid Refinement for Online Advertising

This work investigates the design of two-stage auctions that allow advertisers to submit and update their bids, with second-stage bids serving as refinements of the initial ones, and proposes a dynamic two-stage auction that adopts realization-dependent entry fees with discounts.

Yidan Xing, Rui Guo, Yi-Xin Tao et al. · 0 citations
Book Open access Jul 2026

FluxZK: Scalable and Efficient Zero-Knowledge Proof Computation via GPU Acceleration

This work proposes a series of optimizations for these two kernels, including computation-transfer pipelining, load balancing, and memory access fusion, achieving 1.97 × to 2.16 × proof generation speedup over a state-of-the-art open source GPU acceleration library.

Xinwei Qiang, Liukun Yu, Xiyu Wang et al. · 0 citations

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