Make sure you're using the latest version of Diffusers:  
```bash
pip install -U diffusers
```  
Then upgrade the other required libraries too:  
```bash
pip install -U transformers accelerate peft
```  
Install [PyTorch nightly](https://pytorch.org/) to benefit from the latest and fastest kernels:  
```bash
pip3 install --pre torch --index-url https://download.pytorch.org/whl/nightly/cu121
```  
> [!TIP]
> The results reported below are from a 80GB 400W A100 with its clock rate set to the maximum.