 to rerun the code in the future which normally has very long runing time, E.g.:</p>
<div class="sourceCode" id="cb28"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="fu"><a href="../reference/bsub.html">bsub_chunk</a></span><span class="op">(</span>name <span class="op">=</span> <span class="st">"example"</span>, </span>
<span><span class="op">{</span></span>
<span>    <span class="va">...</span></span>
<span>    <span class="fu"><a href="https://rdrr.io/r/base/save.html" c