Function main

bench/benchmark-blocking-sizes.cpp:621–677

};

int main(int argc, char* argv[])
{
  double time_start = timer.getRealTime();
  cout.precision(4);
  cerr.precision(4);

  vector<unique_ptr<action_t>> available_actions;
  available_actions.emplace_back(new measure_all_pot_sizes_action_t);
  available_actions.emplace_back(new measure_default_sizes_action_t);

  auto action = available_actions.end();

  if (argc <= 1) {
    show_usage_and_exit(argc, argv, available_actions);
  }
  for (auto it = available_actions.begin(); it != available_actions.end(); ++it) {
    if (!strcmp(argv[1], (*it)->invokation_name())) {
      action = it;
      break;
    }
  }

  if (action == available_actions.end()) {
    show_usage_and_exit(argc, argv, available_actions);
  }

  for (int i = 2; i < argc; i++) {
    if (argv[i] == strstr(argv[i], "--min-working-set-size=")) {
      const char* equals_sign = strchr(argv[i], '=');
      min_working_set_size = strtoul(equals_sign+1, nullptr, 10);
    } else {
      cerr << "unrecognized option: " << argv[i] << endl << endl;
      show_usage_and_exit(argc, argv, available_actions);
    }
  }

  print_cpuinfo();

  cout << "benchmark parameters:" << endl;
  cout << "pointer size: " << 8*sizeof(void*) << " bits" << endl;
  cout << "scalar type: " << type_name<Scalar>() << endl;
  cout << "packet size: " << internal::packet_traits<MatrixType::Scalar>::size << endl;
  cout << "minsize = " << minsize << endl;
  cout << "maxsize = " << maxsize << endl;
  cout << "measurement_repetitions = " << measurement_repetitions << endl;
  cout << "min_accurate_time = " << min_accurate_time << endl;
  cout << "min_working_set_size = " << min_working_set_size;
  if (min_working_set_size == 0) {
    cout << " (try to outsize caches)";
  }
  cout << endl << endl;

  (*action)->run();

  double time_end = timer.getRealTime();
  cerr << "Finished in " << human_duration_t(time_end - time_start) << endl;
}