Skip AMP check on MPS (#9189)

utils/general.py

@@ -535,8 +535,8 @@ def check_amp(model):
 
     prefix = colorstr('AMP: ')
     device = next(model.parameters()).device  # get model device
-    if device.type == 'cpu':
-        return False  # AMP disabled on CPU
+    if device.type in ('cpu', 'mps'):
+        return False  # AMP only used on CUDA devices
     f = ROOT / 'data' / 'images' / 'bus.jpg'  # image to check
     im = f if f.exists() else 'https://ultralytics.com/images/bus.jpg' if check_online() else np.ones((640, 640, 3))
     try: