     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)

    //srand(0); // Presently deterministic
    //srand(time(NULL));

    // Parse graph-contruction params
    g_undirected = args.CheckCmdLineFlag("undirected");

    std::string graph_type = argv[1];
    int flags = args.ParsedArgc();
    int graph_args = argc - flags - 1;

    }

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

    // get machine/OS/user/time info
