int comp_size = parse_double(action[2+comm_size]);
int *recvcounts = xbt_new0(int, comm_size);
int *disps = xbt_new0(int, comm_size);
int comp_size = parse_double(action[2+comm_size]);
int *recvcounts = xbt_new0(int, comm_size);
int *disps = xbt_new0(int, comm_size);