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Xi-Wen Chen

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#artificial intelligence Preprint Oct 2026

AvoKV-E: Payload-Aware KV Cache Eviction for Long Reasoning

Long-output reasoning shifts the KV-cache bottleneck from the fixed prompt to the generated trace. Existing reasoning-cache eviction methods largely treat cached entries as routing objects, estimating whether an old key will still be read, will recur, or can be replaced. This routing-only view overlooks two effects: lo...

Han Yu, Wen-Hui Zhu, Xi-Wen Chen et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Interactive-Policy Distillation with Bidirectional Propose-and-Verify

On-policy distillation (OPD) trains a student model on its self-generated trajectories with dense token-level teacher feedback. However, naive OPD may suffer from teacher unanchoring, where the student's reasoning trajectory drifts far from the teacher, causing the teacher to be queried on states it would hardly visit...

Shu-Tong Wu, Xi-Wen Chen, B. Rappazzo et al. · 0 citations

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