           <a class="link" href="../roots_deriv.html#math_toolkit.roots_deriv.newton">Newton-Raphson iteration</a>
            was twice as fast. Note that the cube-root is an extreme test case as
            the cost of calling the functor is so cheap that the runtimes are largely
            dominated by the complexity of the iteration code.
          </li>
<li class="listitem">
            Compiling with optimisation halved computation times, and any differences
            between algorithms became near