Author

Zhibo Liu

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#machine learning Preprint Sep 2026

Fiona: Accelerating FHE Inference with Packing-Aware Ternary Weights

FIONA is presented, an offline optimizer that selectively ternarizes weights within a given packing layout based on the estimated effect of ternary conversion on the model's performance, and fits lower-degree replacements under a cumulative accuracy budget, reducing multiplicative depth and bootstrapping.

Yi-Teng Peng, Zhibo Liu, Dong-Wei Xiao et al. · 0 citations

Open access Aug 2026

The Unseen Delta: Characterizing the Compiler Optimization Landscape via Top-Down Differential Analysis

A top-down differential analysis methodology that calibrates compiler optimization differences with fine-grained, hierarchical microarchitectural metrics, offering a comprehensive view of runtime behavior and a binary patching framework that fixes identified performance issues by transplanting superior code sequences f...

Zhibo Liu, Huai-Jin Wang, Shuai Wang · Proceedings of the ACM on So... · 0 citations