Hugging Face
Cost and speed

Bringing Nunchaku 4-bit Diffusion Inference to Diffusers

Our short summary of Hugging Face’s engineering write-up. The full story, with all the detail, is on their blog.

Read the full write-up on huggingface.co (opens in a new tab)

Problem

Large diffusion models need too much GPU memory and run slowly on consumer GPUs.

Solution

Integrated 4-bit weight and activation quantization (SVDQuant) into Diffusers, letting users load Nunchaku checkpoints without custom code, cutting memory and speeding inference.

12 GB memory, 1.7 s per 1024×1024 image

Want the architecture, code and numbers? They’re in the original post.

Read the full write-up on huggingface.co (opens in a new tab)

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