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Author

Longshan Xu

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Open access Oct 2026

Towards multi-QPU quantum systems: Circuit mapping for high execution fidelity and low communication overhead

Multi-quantum processing unit (multi-QPU) architectures have emerged as a promising route for scaling up quantum computing. However, quantum circuit execution across QPUs introduces remote operations, which have lower fidelity than local operations and require additional communication resources. Circuit mapping, whic...

Long-Shan Xu, E. Sha, Wei-Xuan Liu et al. · 0 citations
Conference Aug 2026

Poster: AutoThermKV: An Efficient User-Transparent In-Memory Management of Hot Data for Key-Value Stores

Log-structured merge-tree (LSM-tree) key-value stores rely on caching to mitigate multi-component lookups and long tails, yet block and KP caches are prone to compactioninduced expiry, and all three cache types suffer from scan pollution under LRU eviction. We present AutoThermKV, a two-level in-memory architecture tha...

Yunfan Chi, E. Sha, Longshan Xu et al. · 0 citations

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