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Author

Philippe Weidmann

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2 papers indexed here

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Preprint Aug 2026

XTC: Head-Aware Sampling by Excluding Top Choices

This work introduces XTC (Exclude Top Choices), a lightweight head-aware decoding operator that targets this regime of open-ended generation in which several continuations are plausible but too much probability mass remains concentrated on the most generic choice.

Philippe Weidmann, Allen G. Roush, Judah Goldfeder et al. · 0 citations
Preprint Aug 2026

Don't Repeat Yourself: Stopping Verbatim Loops at Sampling Time

Large Language Models generate text autoregressively, but open-ended generation is prone to verbatim looping, in which models repeat spans already present in context. Standard defenses such as repetition, presence, and frequency penalties and n-gram blocking act on token recurrence rather than the sequential structure...

Philippe Weidmann, Allen G. Roush, Judah Goldfeder et al. · 0 citations

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