g.round = i["round"].as(g.round);
g.parallel = i["parallel"].as(g.parallel);
g.num_machines = i["num_machines"].as(g.num_machines);
g.round = i["round"].as(g.round);
g.parallel = i["parallel"].as(g.parallel);
g.num_machines = i["num_machines"].as(g.num_machines);