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Progressive distillation: repeated sampler-step halving

Contribution grade

Diffusion acceleration · Human-designed research method or resource

Reference score140,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Repeatedly distilled a deterministic diffusion sampler into a student taking half as many steps, with parameterizations designed for few-step stability.

Scientific scope

Repeatedly distilled a deterministic diffusion sampler into a student taking half as many steps, with parameterizations designed for few-step stability. Inherits DDIM and knowledge distillation. Halving schedule is a construction, not a general proof of exact sample-distribution preservation; perceptual quality and training-cost comparisons are measured on selected benchmarks.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Inherits DDIM and knowledge distillation. Halving schedule is a construction, not a general proof of exact sample-distribution preservation; perceptual quality and training-cost comparisons are measured on selected benchmarks.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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