Author

Dan-Yang Chen

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Preprint Aug 2026

CommBench: Can LLMs Write Correct and Efficient GPU Communication Code?

Evaluating leading frontier and open-source code generation models on both intra-node NVLink and inter-node RDMA platforms reveals that even the strongest model, GPT-5.5, correctly implements and achieves competitive performance on only 30.7\% of the benchmark tasks.

Shuang Ma, Yu-Yi Li, Yihan Zhang et al. · 0 citations

Preprint Aug 2026

Pointing the Way, Hiding the Destination: Practical Private Dense Retrieval at Scale

This shortlist short-circuits full-corpus cryptographic search without sacrificing retrieval quality: with 200-500 candidates, it closely matches full-corpus retrieval across five zero-shot corpora spanning 25K to 5.4M documents.

Pei-Chun Hua, Dan-Yang Chen, Ju-Nan Zhang et al. · 1 citation