Unverified50% confidenceFactExact time
Improved samplers such as DDIM can reduce the number of denoising steps for diffusion models to tens of steps.
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50%
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Long-term
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9/13/2026
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UnverifiedTraditional diffusion models (such as DDPM) require hundreds of steps for progressive denoising.79% similarUnverifiedDDIM通过确定性采样大幅减少所需迭代步数，DPM++系列采用高阶常微分方程求解器77% similarUnverifiedThe introduction of DDIM (Denoising Diffusion Implicit Models) in 2021 significantly accelerated the sampling process, reducing the number of sampling steps to 20–50.76% similarUnverifiedStandard generation with diffusion models may require 50–100 denoising iterations, while consistency models or progressive distillation techniques can reduce the number of steps to 4–873% similarUnverifiedDDPM等马尔可夫链调度器因每步状态完全依赖前步输出，误差累积效应强于DDIM等非马尔可夫调度器72% similar
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