code: def cnn_config(arch):
      "Get the metadata associated with `arch`."
      torch.backends.cudnn.benchmark = True
      return model_meta.get(arch, _default_metaf cnn_config(arch):
      "Get the metadata associated with `arch`."
      torch.backends.cudnn.benchmark = True
      return model_meta.get(arch, _default_meta)
docs: Get the metadata associated with `arch`.