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;
}
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;
}