train_set_size&quot;: 2000,</span>
<span class="sd">                    &quot;opt_samples&quot;: 3,</span>
<span class="sd">                    &quot;opt_last_n_epochs&quot;: 3,</span>
<span class="sd">                    &quot;opt_initial_points&quot;: 10,</span>
<span class="sd">                    &quot;child_epochs&quot;: 50,</span>
<span class="sd">                    &quot;child_first_train_epochs&quot;: 0,</span>
<span class="sd">                    &quot;child_batch_size&quot;: 64,</span>
<span clas