message: Enabled broadcast optimization for elementwise multiply.
diff: @@ -676,7 +676,9 @@ struct sub : base<T, Eigen::internal::scalar_difference_op<T>> {
  };
  template <typename T>
  -struct mul : base<T, Eigen::internal::scalar_product_op<T>> {};
  +struct mul : base<T, Eigen::internal::scalar_product_op<T>> {
  + static const bool use_bcast_optimization = true;
  +};
  template <typename T>
  struct div : base<T, Eigen::internal::scalar_quotient_op<T>> {};
  