StableDiffusionWebUI: Sampling Steps
Preface
This section introduces the sampling steps in sdwebui.
Sampling Steps
The previous section covered samplers: https://blog.vincentqiao.com/sd-sampler
Sampling steps refer to the number of noise addition and denoising iterations during image generation.
Prompt - Chinese
一个男孩,坐在椅子上,上半身,靠近窗口,蓝色上衣,黑色头发,戴眼镜,面向镜头,左手边是窗子
Prompt - English
A boy sitting on a chair, upper body, close to the window, blue shirt, black hair, wearing glasses, facing the camera, with the window on his left side
Checkpoint
Samaritan 3d Cartoon
Seed
3255625742
Sampler
Euler a
Steps - 1

Steps - 5

Steps - 10

Steps - 15

Steps - 20

Steps - 25

Steps - 30

Steps - 50

Steps - 100

Summary
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Too few steps means the denoising process is incomplete, making the result basically unusable.
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Too many steps yields diminishing returns in optimization.
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Checkpoint authors usually recommend a specific step count. In practice, 20-30 steps generally produce good results.
SDWebUI
|—URL: https://sdwebui.ai/?from=vq
|—Authentic Stable Diffusion WebUI V1.10.1~
|—Top-tier 4090 GPU, premium members get exclusive single 4090 for image generation~
|—Supports Mac client, Windows client, and Web online usage~
|—Innovative instant model transfer, upload local models instantly~
|—Supports txt2img, img2img, extras, and image info
|—Supports CLIP interrogation and DeepBooru interrogation
|—Supports HD upscaling (Hires.fix), with 21 built-in upscaling models
|—Supports detail restoration (ADetailer), with 11 built-in restoration models
|—Supports ControlNet, with 44 built-in preprocessors and 68 built-in models
|—Supports ultra-HD upscaling (Tiled Diffusion, Demo Fusion, Tiled VAE)
|—Supports old photo restoration, with 21 built-in upscaling models, plus GFPGAN and CodeFormer restoration models
|—Built-in 2 common Styles, 11 popular Checkpoint models, 7 popular LoRA models, 14 common embeddings
|—Built-in oldsix prompt plugin
|—Built-in 23-lesson beginner tutorial