no">  253</span>&#160;      <span class="keyword">auto</span>&amp; cfg = nstd::get&lt;Node::cudaFlowWork&gt;(node-&gt;_handle).graph;</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;      <span class="keywordflow">if</span>(!cfg.empty()) {</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;        os &lt;&lt; <span class="stringliteral">&quot;subgraph cluster_p&quot;</span> &lt;&lt; node &lt;&lt; <span class="stringliteral">&quot; {\nlabel=\