cout << "InputGH: iteration " << cctk_iteration << ", time " << cctk_time
         << "\n";

    CCTK_VINFO("InputGH: iteration %d, time %f", cctk_iteration,
               double(cctk_time));

    cout << "OutputGH: iteration " << cctk_iteration << ", time " << cctk_time
         << ", run time " << CCTK_RunTime() << " s\n";

    CCTK_VINFO("OutputGH: iteration %d, time %f, run time %d s\n",
               cctk_iteration, double(cctk_time), CCTK_RunTime());