Turn on half precision.

app.py

@@ -182,7 +182,7 @@ for idx_example_url, example_url in enumerate(examples_url):
     examples_url[idx_example_url].append('1024x1024')
 
 descriptions = ('Upload a picture, our model will extract a highly accurate segmentation of the subject in it.\n)'
-                 ' The resolution used in our training was `1024x1024`, thus the suggested resolution to obtain good results!\n'
+                 ' The resolution used in our training was `1024x1024`, which is the suggested resolution to obtain good results! `2048x2048` is suggested for BiRefNet_HR.\n'
                  ' Our codes can be found at https://github.com/ZhengPeng7/BiRefNet.\n'
                  ' We also maintain the HF model of BiRefNet at https://huggingface.co/ZhengPeng7/BiRefNet for easier access.')