code: def get_x86_backend_config() -> BackendConfig:
      """
      Return the `BackendConfig` for PyTorch's native x86 backend.
      """
      conv_dtype_configs = [x86_weighted_op_int8_dtype_config]
      linear_dtype_configs = [
          x86_weighted_op_int8_dtype_config,
          x86_default_dynamic_int8_dtype_config,
          x86_default_dynamic_float16_dtype_config,
      ]
      binary_op_dtype_configs = [x86_weighted_op_int8_dtype_config]
      default_op_dtype_configs = [x86_default_op_quint8_dtype_config]
      fixed_qparams_op_dtype_configs = [
          x86_weighted_op_int8_dtype_config
      ]
      share_qparams_op_dtype_configs = [
          x86_default_op_quint8_dtype_config
      ]
      tensor_info_op_dtype_configs = [
          x86_default_op_quint8_dtype_config
      ]
      rnn_op_dtype_configs = [
          x86_default_dynamic_int8_dtype_config,
          x86_default_dynamic_float16_dtype_config,
      ]
      embedding_op_dtype_configs = [
          x86_weight_only_quint8_dtype_config,
          x86_weight_only_quint4x2_dtype_config,
      ]
      return (
          BackendConfig("x86")
          .set_backend_pattern_configs(
              _get_conv_configs(conv_dtype_configs)
          )
          .set_backend_pattern_configs(
              _get_linear_configs(linear_dtype_configs)
          )
          .set_backend_pattern_configs(
              _get_binary_op_configs(binary_op_dtype_configs)
          )
          .set_backend_pattern_config(
              _get_cat_config(default_op_dtype_configs)
          )
          .set_backend_pattern_configs(
              _get_default_op_configs(default_op_dtype_configs)
          )
          .set_backend_pattern_configs(
              _get_fixed_qparams_op_configs(
                  fixed_qparams_op_dtype_configs
              )
          )
          .set_backend_pattern_configs(
              _get_share_qparams_op_configs(
                  share_qparams_op_dtype_configs
              )
          )
          .set_backend_pattern_configs(
              _get_tensor_info_op_configs(tensor_info_op_dtype_configs)
          )
          .set_backend_pattern_configs(
              _get_bn_configs(default_op_dtype_configs)
          )
          .set_backend_pattern_configs(
              _get_rnn_op_configs(rnn_op_dtype_configs)
          )
          .set_backend_pattern_configs(
              _get_embedding_op_configs(embedding_op_dtype_configs)
          )
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: get_x86_backend_config() and returns: BackendConfig