logger</span><span class="o">.</span><span class="n">log_depth</span><span class="p">(</span><span class="s1">&#39;val&#39;</span><span class="p">,</span> <span class="n">batch</span><span class="p">,</span> <span class="n">output</span><span class="p">,</span> <span class="n">args</span><span class="p">,</span>
                                  <span class="bp">self</span><span class="o">.</span><span class="n">validation_dataset</span><span class="p">,</span> <span class="n">world_size</span><span class="