</Tip>  
The results below are obtained from generating a single 512x512 image from the prompt a photo of an astronaut riding a horse on mars with 50 DDIM steps on a Nvidia Titan RTX, demonstrating the speed-up you can expect as a result of reduced memory consumption.  
|                  | latency | speed-up |
| ---------------- | ------- | ------- |
| original         | 9.50s   | x1      |
| fp16             | 3.61s   | x2.63   |
| channels last    | 3.30s   | x2.88   |