 unless necessary,
as parallel execution can make it harder for the underlying <a href="https://github.com/Nth-iteration-labs/contextual" class="external-link"><code>contextual</code></a>
package to reliably track simulation history.<br>
In particular, parallel runs may cause missing or incomplete entries in
the recorded history, which are then discarded during analysis.</p></li>
</ul>
</li>
</ul>
<hr>
</div>
<div class="section level2">
<h2 id="example-cram-bandit-simulation">Example: Cram Bandit Simulatio