sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCL Class Reference

Pure virtual base class for the k nearest neighbor opencl operation. More...

#include <OperationCreateGraphOCL.hpp>

Inheritance diagram for sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCL:

Public Member Functions
virtual void	begin_graph_creation (int startid, int chunksize)=0
virtual void	create_graph (std::vector< int > &resultVector, int startid=0, int chunksize=0)=0
	Pure virtual function to create the k nearest neighbor graph for some datapoints of a dataset. More...
virtual void	finalize_graph_creation (std::vector< int > &resultVector, int startid, int chunksize)=0
	OperationCreateGraphOCL ()
virtual	~OperationCreateGraphOCL (void)

Static Public Member Functions
static std::vector< size_t >	find_clusters (std::vector< int > &graph, size_t k)
	Assign a clusterindex for each datapoint using the connected components of the graph. More...
static void	load_default_parameters (base::OCLOperationConfiguration *parameters)
	Add the default parameters to the the configuration. More...

Static Protected Member Functions
static size_t	find_neighbors (size_t index, std::vector< int > &nodes, size_t cluster, size_t k, std::vector< size_t > &clusterList, bool overwrite=false)
	Recursive function for traversing the k nearest neighbor graph. More...

Detailed Description

Pure virtual base class for the k nearest neighbor opencl operation.

Constructor & Destructor Documentation

OperationCreateGraphOCL()

sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCL::OperationCreateGraphOCL ( )

inline

References begin_graph_creation(), create_graph(), and finalize_graph_creation().

~OperationCreateGraphOCL()

virtual sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCL::~OperationCreateGraphOCL ( void  )

inlinevirtual

Member Function Documentation

begin_graph_creation()

virtual void sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCL::begin_graph_creation ( int  startid, int  chunksize  )

pure virtual

Implemented in sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCLSingleDevice< T >.

Referenced by sgpp::datadriven::clusteringmpi::PrunedGraphCreationWorker::begin_opencl_operation(), and OperationCreateGraphOCL().

create_graph()

virtual void sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCL::create_graph ( std::vector< int > &  resultVector, int  startid = 0, int  chunksize = 0  )

pure virtual

Pure virtual function to create the k nearest neighbor graph for some datapoints of a dataset.

Implemented in sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCLSingleDevice< T >.

Referenced by sgpp::datadriven::ClusteringOCL::OperationClusteringOCL< T >::calculate_clusters(), main(), OperationCreateGraphOCL(), and sgpp::datadriven::clusteringmpi::GraphCreationWorker::start_worker_main().

finalize_graph_creation()

virtual void sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCL::finalize_graph_creation ( std::vector< int > &  resultVector, int  startid, int  chunksize  )

pure virtual

Implemented in sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCLSingleDevice< T >.

Referenced by sgpp::datadriven::clusteringmpi::PrunedGraphCreationWorker::finalize_opencl_operation(), and OperationCreateGraphOCL().

find_clusters()

static std::vector<size_t> sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCL::find_clusters ( std::vector< int > &  graph, size_t  k  )

inlinestatic

Assign a clusterindex for each datapoint using the connected components of the graph.

References analyse_erg::clustercount, find_neighbors(), and python.statsfileInfo::i.

Referenced by sgpp::datadriven::ClusteringOCL::OperationClusteringOCL< T >::calculate_clusters(), and main().

find_neighbors()

static size_t sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCL::find_neighbors ( size_t  index, std::vector< int > &  nodes, size_t  cluster, size_t  k, std::vector< size_t > &  clusterList, bool  overwrite = false  )

inlinestaticprotected

Recursive function for traversing the k nearest neighbor graph.

References python.statsfileInfo::i.

Referenced by find_clusters().

load_default_parameters()

static void sgpp::datadriven::DensityOCLMultiPlatform::OperationCreateGraphOCL::load_default_parameters ( base::OCLOperationConfiguration *  parameters )

inlinestatic

Add the default parameters to the the configuration.

References json::DictNode::addIDAttr(), sgpp::datadriven::DensityOCLMultiPlatform::KernelCreateGraph< T >::augmentDefaultParameters(), and json::DictNode::contains().

Referenced by sgpp::datadriven::createNearestNeighborGraphConfigured().

---

The documentation for this class was generated from the following file:

• datadriven/src/sgpp/datadriven/operation/hash/OperationCreateGraphOCL/OperationCreateGraphOCL.hpp