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Token Utility for On-Policy Distillation via Local Trust-Region Optimization
Author1, Author2, Author3, Author4, Author5
distillationtoken selectionoptimizationreasoning
2610.18883
Builder Relevance
2h ago80%
Abstract
This paper presents a novel approach to token-selection methods for on-policy distillation by deriving token importance from the distillation objective itself.
Reality Card
Core Claim
The proposed Fisher Utility Weighting (FUW) method significantly improves performance in on-policy distillation across multiple benchmarks compared to matched uniform methods.
Method / Result
FUW improves over matched uniform OPD under reverse-KL by 1.35-4.0 macro points and forward-KL by 1.08-2.71 macro points.
Limitations
The paper does not provide extensive details on the implementation of the proposed method, which may hinder reproducibility.
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