Exemplo n.º 1
0
bool
ComparisonHelper::metricComparisonTest(const RCP<const Comm<int> > &comm,
                                       const Zoltan2::MetricValues<zscalar_t> & metric,
                                       const Zoltan2::MetricValues<zscalar_t> & ref_metric,
                                       const Teuchos::ParameterList & metricPlist,
                                       ostringstream &msg)
{
  // run a comparison of min and max agains a given metric
  // return an error message on failure
  bool pass = true;
  string test_name = metricPlist.name() + " test";
  double local_ref_value = ref_metric.getMaxImbalance()/ref_metric.getAvgImbalance();
  double local_value = metric.getMaxImbalance()/metric.getAvgImbalance();
  
  // reduce problem metric
  double value;
  Teuchos::Ptr<double> global(&value);
  comm->barrier();
  reduceAll<int, double>(*comm.get(),Teuchos::EReductionType::REDUCE_MAX,local_value,global);
  
  // reduce reference metric
  double ref_value;
  Teuchos::Ptr<double> globalRef(&ref_value);
  comm->barrier();
  reduceAll<int, double>(*comm.get(),Teuchos::EReductionType::REDUCE_MAX,local_ref_value,globalRef);
  
  // want to reduce value to max value for all procs
  
  if (metricPlist.isParameter("lower"))
  {
    double min = metricPlist.get<double>("lower")*ref_value;
    
    if(value < min)
    {
      msg << test_name << " FAILED: Minimum imbalance per part, "
      << value << ", less than specified allowable minimum, " << min << ".\n";
      pass = false;
    }else{
      msg << test_name << " PASSED: Minimum imbalance per part, "
      << value << ", greater than specified allowable minimum, " << min << ".\n";
    }
  }
  
  if(metricPlist.isParameter("upper" ) && pass != false) {
    
    double max = metricPlist.get<double>("upper") * ref_value;
    if (value > max)
    {
      msg << test_name << " FAILED: Maximum imbalance per part, "
      << value << ", greater than specified allowable maximum, " << max << ".\n";
      pass = false;
    }else{
      msg << test_name << " PASSED: Maximum imbalance per part, "
      << value << ", less than specified allowable maximum, " << max << ".\n";
    }
    
  }

  return pass;
}
Exemplo n.º 2
0
bool
ComparisonHelper::metricComparisonTest(const RCP<const Comm<int> > &comm,
                                       const Zoltan2::MetricValues<zscalar_t> & metric,
                                       const Zoltan2::MetricValues<zscalar_t> & ref_metric,
                                       const Teuchos::ParameterList & metricPlist,
                                       ostringstream &msg)
{
  // run a comparison of min and max agains a given metric
  // return an error message on failure
  bool pass = true;
  string test_name = metricPlist.name() + " test";
  double ref_value = ref_metric.getMaxImbalance();
  double value = metric.getMaxImbalance();
  
  // want to reduce value to max value for all procs
  
  if (metricPlist.isParameter("lower"))
  {
    double min = metricPlist.get<double>("lower")*ref_value;
    
    if(value < min)
    {
      msg << test_name << " FAILED: imbalance per part, "
      << value << ", less than specified allowable minimum, " << min << ".\n";
      pass = false;
    }else{
      msg << test_name << " PASSED: imbalance per part, "
      << value << ", greater than specified allowable minimum, " << min << ".\n";
    }
  }
  
  if(metricPlist.isParameter("upper" ) && pass != false) {
    
    double max = metricPlist.get<double>("upper") * ref_value;
    if (value > max)
    {
      msg << test_name << " FAILED: imbalance per part, "
      << value << ", greater than specified allowable maximum, " << max << ".\n";
      pass = false;
    }else{
      msg << test_name << " PASSED: imbalance per part, "
      << value << ", less than specified allowable maximum, " << max << ".\n";
    }
    
  }

  return pass;
}