target)
    add_edge(source, target, g);
}

// All processes synchronize at this point, then the graph is complete
synchronize(g.process_group());
</pre>
</blockquote>
</div>
<div class="section" id="graph-concepts">
<h2><a class="toc-backref" href="#id6">Graph Concepts</a></h2>
<p>The distributed adjacency list models the <a class="reference external" href="http://www.boost.org/libs/graph/doc/Graph.html">Graph</a> concept, and in
particular the <a class="reference external" href="DistributedGraph.html">Dis