Update README.md

README.md

@@ -71,7 +71,7 @@ The integration of foundation and fine-tuned models into AI systems requires add
 **Usage**
 * See [Cosmos-Drive-Dreams](https://github.com/nv-tlabs/Cosmos-Drive-Dreams/blob/main/cosmos-transfer-lidargen/examples/lidar_diffusion.md)  for inference details
 
-Note: We have only tested doing inference with BF16 precision.
+Note: We have only tested doing inference with BF16 precision. On a single NVIDIA A100-SXM4-80GB GPU, our diffusion model takes around 160 seconds to generate a single Lidar range map from multi-view images.
 
 ## Model Version(s):
 Cosmos LidarGen