Author

Yifan Wu

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Preprint Aug 2026

From Local Mismatch to Global Impact: Optimizing Cache Reuse Policy for Efficient Diffusion

The proposed Global-Impact Cache identifies an optimal reuse policy in the inner objective while aligning the error-weighting function with generation quality loss in the outer objective and reformulates cache policy search as a bilevel optimization problem.

Xichen Ye, Yifan Wu, Zhi-Kang Xie et al. · 0 citations

Jul 2026

OnlineCache: Learning Dynamic Caching Policies with Error Correction for Efficient Diffusion Inference

This paper proposes OnlineCache, a dynamic caching framework that jointly learns when to cache and how to correct approximation errors, and leverages policy gradient to train a lightweight network for adaptive speed-quality trade-offs, and incorporate a learnable corrector to mitigate caching-induced errors.

Zhikang Xie, Xichen Ye, Yifan Wu et al. · arXiv.org · 0 citations