# Decode-Latency Feedback Prefill: A Model-Free Controller and Its Generalization Limits

**Published:** October 1, 2026
**Author:** Gaurav Agarwal, Ashish Garg, Isha Singhal
**Source:** arXiv — cs.AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/decode-latency-feedback-prefill-a-model-free-controller-and-its-generali

Concurrent autoregressive inference creates a fundamental interference problem: prefilling a newly arrived long prompt can delay tokens for requests that are already decoding. Fixed prefill chunks reduce this interference, but the best chunk size depends on the model, hardware,…

> From the original source: **arXiv — cs.AI**
> [Read full article at arXiv — cs.AI](https://arxiv.org/abs/2609.38386)

**Tags:** #arXiv

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