Update app.py

app.py

@@ -161,13 +161,16 @@ def load_and_prepare_model():
     '''
 
     pipe.unet = pipe.unet.to(memory_format=torch.contiguous_format)
+    
+    #pipe.unet.to(memory_format=torch.channels_last)
+    #pipe.enable_vae_tiling()
     pipe.unet = torch.compile(pipe.unet, backend="hidet")
     pipe.to(device=device, dtype=torch.bfloat16)
 
     return pipe
     
 hidet.option.parallel_build(True)
-hidet.option.parallel_tune(-1,8.0)
+#hidet.option.parallel_tune(-1,4.0)
 
 torch._dynamo.config.suppress_errors = True
 torch._dynamo.disallow_in_graph(diffusers.models.attention.BasicTransformerBlock)