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alimama-creative/
slam-sd1.5

Name: slam-sd1.5
Availability: InStock

StableDiffusionPipeline

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Sub-path Linear Approximation Model (SLAM): SD1.5

Paper: https://arxiv.org/abs/2404.13903
Project Page: https://subpath-linear-approx-model.github.io/
The checkpoint is a distilled from runwayml/stable-diffusion-v1-5 with our proposed Sub-path Linear Approximation Model, which reduces the number of inference steps to only between 2-4 steps.

Usage

First, install the latest version of the Diffusers library as well as peft, accelerate and transformers.

bash

pip install --upgrade pip
pip install --upgrade diffusers transformers accelerate peft

We implement SLAM to be compatible with LCMScheduler. You can use SLAM just like you use LCM, with guidance_scale set to 1 constantly.

python

from diffusers import DiffusionPipeline
import torch

pipe = DiffusionPipeline.from_pretrained("alimama-creative/slam-sd1.5")

# To save GPU memory, torch.float16 can be used, but it may compromise image quality.
pipe.to(torch_device="cuda", torch_dtype=torch.float16)

prompt = "a painting of a majestic kingdom with towering castles, lush gardens, ice and snow world"

num_inference_steps = 2

images = pipe(prompt=prompt, num_inference_steps=num_inference_steps, guidance_scale=1, lcm_origin_steps=50, output_type="pil").images