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Hua-Peng Zhou

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#natural language process... Preprint Aug 2026

TreeSpark: Calibrated, Load-Adaptive Draft Trees for Semi-Autoregressive Speculative Decoding

Speculative decoding accelerates language-model inference by letting a cheap drafter propose tokens that the target model verifies in parallel. Recent block drafters make drafting nearly free: a single backbone pass emits an entire block of draft tokens. Draft trees promise a further gain -- several alternative continu...

Hua-Peng Zhou, Hua-Yu Wang, Xin-Yu Wang · 1 citation

Preprint Aug 2026

Alignment Drift in Single-Model Speculative Decoding for ASR: Mechanism, Correction, and Cost

Speculative decoding speeds up generation by letting a cheap draft propose several tokens that a target model checks in one pass. In the single-model form, the draft is a lightweight module attached to the target rather than a separate model. Applying this design to Automatic Speech Recognition (ASR) introduces an extr...

Xin-Yu Wang, Hua-Peng Zhou, Zi-Yu Zhao et al. · 1 citation · ⚡1