added torch.mps.empty_cache() to torch_gc()

changed a bunch of places that use torch.cuda.empty_cache() to use torch_gc() instead

modules/codeformer_model.py

@@ -99,7 +99,7 @@ def setup_model(dirname):
                             output = self.net(cropped_face_t, w=w if w is not None else shared.opts.code_former_weight, adain=True)[0]
                             restored_face = tensor2img(output, rgb2bgr=True, min_max=(-1, 1))
                         del output
-                        torch.cuda.empty_cache()
+                        devices.torch_gc()
                     except Exception:
                         errors.report('Failed inference for CodeFormer', exc_info=True)
                         restored_face = tensor2img(cropped_face_t, rgb2bgr=True, min_max=(-1, 1))

modules/devices.py

@@ -49,10 +49,13 @@ def get_device_for(task):
 
 
 def torch_gc():
+
     if torch.cuda.is_available():
         with torch.cuda.device(get_cuda_device_string()):
             torch.cuda.empty_cache()
             torch.cuda.ipc_collect()
+    elif has_mps() and hasattr(torch.mps, 'empty_cache'):
+        torch.mps.empty_cache()
 
 
 def enable_tf32():

modules/sd_models.py

@@ -590,7 +590,6 @@ def unload_model_weights(sd_model=None, info=None):
         sd_model = None
         gc.collect()
         devices.torch_gc()
-        torch.cuda.empty_cache()
 
     print(f"Unloaded weights {timer.summary()}.")