Method to_string_physical

src/core/include/megbrain/comp_node.h:433–435

get string representation of physical device

    //! get string representation of physical device
    std::string to_string_physical() const {
        return m_impl ? m_impl->locator().to_string() : "invalid";
    }

    //! get string representation of logical device
    std::string to_string_logical() const {