Metric class and namespace methods to compute quality metrics. More...
#include <Zoltan2_StridedData.hpp>#include <Zoltan2_PartitioningSolution.hpp>#include <Epetra_SerialDenseVector.h>#include <Epetra_DataAccess.h>#include <cmath>#include <iomanip>#include <iostream>
Include dependency graph for Zoltan2_Metric.hpp:
This graph shows which files directly or indirectly include this file:
Go to the source code of this file.
Classes | |
| class | Zoltan2::MetricValues< scalar_t > |
| A class containing the metrics for one measurable item. More... | |
Namespaces | |
| namespace | Zoltan2 |
Functions | |
| template<typename scalar_t > | |
| void | Zoltan2::getStridedStats (const ArrayView< scalar_t > &v, int stride, int offset, scalar_t &min, scalar_t &max, scalar_t &sum) |
| Find min, max and sum of metric values. | |
| template<typename scalar_t , typename pnum_t , typename lno_t , typename part_t > | |
| void | Zoltan2::normedPartWeights (const RCP< const Environment > &env, part_t numberOfParts, const ArrayView< const pnum_t > &parts, const ArrayView< StridedData< lno_t, scalar_t > > &vwgts, multiCriteriaNorm mcNorm, scalar_t *weights) |
| Compute the total weight in each part on this process. | |
| template<typename scalar_t , typename pnum_t , typename lno_t , typename part_t > | |
| void | Zoltan2::globalSumsByPart (const RCP< const Environment > &env, const RCP< const Comm< int > > &comm, const ArrayView< const pnum_t > &part, int vwgtDim, const ArrayView< StridedData< lno_t, scalar_t > > &vwgts, multiCriteriaNorm mcNorm, part_t &numParts, part_t &numNonemptyParts, ArrayRCP< MetricValues< scalar_t > > &metrics, ArrayRCP< scalar_t > &globalSums) |
| Given the local partitioning, compute the global sums in each part. | |
| template<typename scalar_t , typename part_t > | |
| void | Zoltan2::computeImbalances (part_t numParts, part_t targetNumParts, const scalar_t *psizes, scalar_t sumVals, const scalar_t *vals, scalar_t &min, scalar_t &max, scalar_t &avg) |
| Compute the imbalance. | |
| template<typename scalar_t , typename part_t > | |
| void | Zoltan2::computeImbalances (part_t numParts, part_t targetNumParts, int numSizes, ArrayView< ArrayRCP< scalar_t > > psizes, scalar_t sumVals, const scalar_t *vals, scalar_t &min, scalar_t &max, scalar_t &avg) |
| Compute the imbalance in the case of multiple part sizes. | |
| template<typename Adapter > | |
| void | Zoltan2::objectMetrics (const RCP< const Environment > &env, const RCP< const Comm< int > > &comm, multiCriteriaNorm mcNorm, const RCP< const Adapter > &ia, const RCP< const PartitioningSolution< Adapter > > &solution, typename Adapter::part_t &numParts, typename Adapter::part_t &numNonemptyParts, ArrayRCP< MetricValues< typename Adapter::scalar_t > > &metrics) |
| Compute imbalance metrics for a distribution. | |
| template<typename scalar_t , typename part_t > | |
| void | Zoltan2::printMetrics (std::ostream &os, part_t targetNumParts, part_t numParts, part_t numNonemptyParts, const ArrayView< MetricValues< scalar_t > > &infoList) |
| Print out a header and the values for a list of metrics. | |
| template<typename scalar_t , typename part_t > | |
| void | Zoltan2::printMetrics (std::ostream &os, part_t targetNumParts, part_t numParts, part_t numNonemptyParts, const MetricValues< scalar_t > &info) |
| Print out a header and the values for a single metric. | |
| template<typename scalar_t > | |
| scalar_t | Zoltan2::normedWeight (ArrayView< scalar_t > weights, multiCriteriaNorm norm) |
| Compute the norm of the vector of weights. | |
| template<typename lno_t , typename scalar_t > | |
| scalar_t | Zoltan2::normedWeight (ArrayView< StridedData< lno_t, scalar_t > > weights, lno_t idx, multiCriteriaNorm norm) |
| Compute the norm of the vector of weights stored as StridedData. | |
Detailed Description
Metric class and namespace methods to compute quality metrics.
- Todo:
- Add graph and hypergraph metrics.
Definition in file Zoltan2_Metric.hpp.
