Author

Haixiang Sun

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#machine learning Preprint Sep 2026

CARVE: Breaking Data Barriers in Chip Placement by Harnessing Reusable Expertise

Pretrained macro-placement policies can reduce repeated optimization across circuits, but deployment often exposes them to unfamiliar designs when the original training data are unavailable. Repeatedly fine-tuning a single serving model can overwrite earlier improvements, while simply saving checkpoints does not determ...

Jie-Fu Zhang, Hai-Xiang Sun, Yang Xu et al. · 0 citations

#machine learning Preprint Aug 2026

Selection-Aware Stress Testing for Interactive Agents

This work introduces Selection-Aware Semantic Stress Testing (\SASST{}), which learns a task reweighting from pre-execution features on discovery tasks and evaluates the same paired comparison on separate confirmation tasks.

Yang Xu, Chenang Li, Jiefu Zhang et al. · 0 citations