 is the rigid converter configuration (which
      in certain contexts might be the desired behavior) and a potential performance
      impact. When a converter is not provided explicitly, the default converter
      is created, potentially configured, deployed and destroyed for every <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">convert</span><span class="special">()</span></code> call. Consequently, if efficiency of this
      par