Structured reasoning tasks may cap diffusion models' parallel speedups

alec_helbling · x · 2026-09-05

Closing tweet: structured reasoning tasks like Sudoku may allow only one or a few interdependent tokens per step, requiring many sampling passes to stay coherent — capping the inference speedups parallel generation can deliver.

Related event: Why Parallel Generation Struggles: Masked Diffusion Models' Coherence Problem(3 posts)→

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