+ << " [" << opt::comm_cost.to_string() << "]\n";
+ std::clog << o("-m value")
+ << "minimum data transfer amount"
+ << " [" << opt::min_transfer_amount << "]\n";
+ std::clog << o("-M value")
+ << "maximum data transfer amount (0 for no limit)"
+ << " [" << opt::max_transfer_amount << "]\n";
+ std::clog << o("-S value")
+ << "minimum duration between comp. iterations"
+ << " [" << opt::min_comp_iter_duration << "]\n";
+ std::clog << o("-d value")
+ << "start computations after given number of lb iterations"
+ << " [" << opt::comp_iter_delay << "]\n";
+ std::clog << o("-D value")
+ << "start computations after given time"
+ << " [" << opt::comp_time_delay << "]\n";