get_best_delay
final_rise_delay = get_best_delay(host, rise_delay);
final_fall_delay = get_best_delay(host, fall_delay);
internal_delay_phase = get_best_delay(host, internal_delay);
final_cmd_delay = get_best_delay(host, cmd_delay);
final_rise_delay = get_best_delay(host, rise_delay);
final_fall_delay = get_best_delay(host, fall_delay);
final_rise_delay = get_best_delay(host, rise_delay);
final_fall_delay = get_best_delay(host, fall_delay);
dly1_delay = get_best_delay(host, result_dly1);