     info["gunrock_version"] = XSTR(GUNROCKVERSION);
     // info["git_commit_sha1"] = XSTR(GIT_SHA1);
     info["git_commit_sha1"] = g_GIT_SHA1;
+
+    // Parse graph-contruction params
+    g_undirected = args.CheckCmdLineFlag("undirected");
+    info["undirected"] = g_undirected;
 
     //
     // Construct graph and perform search(es)

    if (total_queued > 0)
    {
        // measure duplicate edges put through queue
        redundant_work = ((double)total_queued - edges_visited) / edges_visited;
    }
    redundant_work *= 100;


    }

    json_spirit::mObject info;
    info["engine"] = "Gunrock";
    info["command_line"] = json_spirit::mValue(args.GetEntireCommandLine());

    // get machine/OS/user/time info
