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Author

Shi-Qiang Nie

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Preprint Sep 2026

Resource-Efficient Speculative Decoding for Long-Context LLM Serving

Speculative decoding reduces sequential Target model calls by verifying multiple tokens from the Draft model in parallel. Yet KV Cache growth limits long-context serving under constrained GPU memory. Offloading KV to CPU memory relieves this pressure. However, existing offloading schemes restore the full KV history bef...

Fei Li, Song Liu, Shi-Qiang Nie et al. · 0 citations
Open access Sep 2026

OTDB: A Key-Value Store Tailored for Overlapping Track-Based Disks

OTDB, a key-value store tailored for overlapping track-based Disks is proposed and a Heterogeneous Multi-Granular Zoned Storage scheme that separates Sorted String Tables (SSTables) from different LSM-tree levels and maps them to zones with differentiated characteristics is developed, which reduces zone reset costs and...

Fang-Xing Yu, Zhi-Ke Li, Chi Zhang et al. · 0 citations
Open access Jul 2026

A Performance Isolation Scheme for Multi-Tenant Shared ZNS SSD

A tenant pressure-aware performance isolation scheme, called IP-Zone, is proposed that partitions users into independent regions and maximizes zone parallelism through cross-resource allocation and flexible address mapping and improves IOPS and throughput.

Jianjun Cao, Qidong Ding, Xinpeng Xu et al. · 0 citations

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