Performance Optimization Solutions
Smooth operation can be achieved with a three-level optimization strategy for the graphics memory limitations of consumer GPUs:
- Basic Optimization::
- Force the use of the flux-dev-fp8 model (-model_type parameter)
- Enable video memory offload (-offload parameter)
- Reduce output resolution to 512 x 512
- Intermediate Optimization::
- Reduce diffusion steps to 20 (-num_steps 20)
- Turn off xformers optimization (add -disable_xformers)
- Use half-precision mode (-half_precision)
- Advanced Optimization::
- Using LoRA fine-tuning as an alternative to full model training
- Using the gradient checkpoint technique
- CPU offloading via HuggingFace's accelerate library
Measurement data shows that the RTX 3060 (12GB) can control the generation time of a single image within 90 seconds through the above optimization, and the memory consumption is stable at less than 10GB.
This answer comes from the articleUNO: Support for single-subject and multi-subject customized image generation tools (suitable for e-commerce graphics)The
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