try fix #849

args_manager.py

@@ -10,11 +10,20 @@ fcbh_cli.parser.add_argument("--language", type=str, default='default',
                              help="Translate UI using json files in [language] folder. "
                                   "For example, [--language example] will use [language/example.json] for translation.")
 
-fcbh_cli.args = fcbh_cli.parser.parse_args()
-fcbh_cli.args.disable_cuda_malloc = True
-fcbh_cli.args.auto_launch = True
+# For example, https://github.com/lllyasviel/Fooocus/issues/849
+fcbh_cli.parser.add_argument("--enable-smart-memory", action="store_true",
+                             help="Force loading models to vram when the unload can be avoided. "
+                                  "Some Mac users may need this.")
 
-if getattr(fcbh_cli.args, 'port', 8188) == 8188:
-    fcbh_cli.args.port = None
+fcbh_cli.parser.set_defaults(
+    disable_cuda_malloc=True,
+    auto_launch=True,
+    port=None
+)
+
+fcbh_cli.args = fcbh_cli.parser.parse_args()
+
+# Disable by default because of issues like https://github.com/lllyasviel/Fooocus/issues/724
+fcbh_cli.args.disable_smart_memory = not fcbh_cli.args.enable_smart_memory
 
 args = fcbh_cli.args