vtkBlockDistribution Class Reference

#include <vtkBlockDistribution.h>

Detailed Description

A helper class that manages a block distribution of N elements of data.

Definition at line 19 of file vtkBlockDistribution.h.

Public Member Functions
	vtkBlockDistribution (vtkIdType N, vtkIdType P)
	Create a block distribution with N elements on P processors.
vtkIdType	GetNumElements ()
	Retrieves the number of elements for which this block distribution was built.
vtkIdType	GetNumProcessors ()
	Retrieves the number of processors for which this block distribution was built.
vtkIdType	GetBlockSize (vtkIdType rank)
	Get the block size for the processor with the given rank.
vtkIdType	GetProcessorOfElement (vtkIdType globalIndex)
	Retrieve the process number in [0, GetNumProcessors()) where the element with the given global index will be located.
vtkIdType	GetLocalIndexOfElement (vtkIdType globalIndex)
	Retrieve the local index (offset) on the processor determined by GetProcessorOfElement that refers to the given global index.
vtkIdType	GetFirstGlobalIndexOnProcessor (vtkIdType rank)
	Retrieve the first global index stored on the processor with the given rank.
vtkIdType	GetGlobalIndex (vtkIdType localIndex, vtkIdType rank)
	Retrieve the global index associated with the given local index on the processor with the given rank.

Constructor & Destructor Documentation

vtkBlockDistribution()

vtkBlockDistribution::vtkBlockDistribution ( vtkIdType N, vtkIdType P )

inline

Create a block distribution with N elements on P processors.

Definition at line 76 of file vtkBlockDistribution.h.

Member Function Documentation

GetNumElements()

vtkIdType vtkBlockDistribution::GetNumElements ( )

inline

Retrieves the number of elements for which this block distribution was built.

Definition at line 31 of file vtkBlockDistribution.h.

GetNumProcessors()

vtkIdType vtkBlockDistribution::GetNumProcessors ( )

inline

Retrieves the number of processors for which this block distribution was built.

Definition at line 37 of file vtkBlockDistribution.h.

GetBlockSize()

vtkIdType vtkBlockDistribution::GetBlockSize ( vtkIdType rank )

inline

Get the block size for the processor with the given rank.

This is the number of elements that the processor will store.

Definition at line 84 of file vtkBlockDistribution.h.

GetProcessorOfElement()

vtkIdType vtkBlockDistribution::GetProcessorOfElement ( vtkIdType globalIndex )

inline

Retrieve the process number in [0, GetNumProcessors()) where the element with the given global index will be located.

Definition at line 92 of file vtkBlockDistribution.h.

GetLocalIndexOfElement()

vtkIdType vtkBlockDistribution::GetLocalIndexOfElement ( vtkIdType globalIndex )

inline

Retrieve the local index (offset) on the processor determined by GetProcessorOfElement that refers to the given global index.

Definition at line 110 of file vtkBlockDistribution.h.

GetFirstGlobalIndexOnProcessor()

vtkIdType vtkBlockDistribution::GetFirstGlobalIndexOnProcessor ( vtkIdType rank )

inline

Retrieve the first global index stored on the processor with the given rank.

Definition at line 118 of file vtkBlockDistribution.h.

GetGlobalIndex()

vtkIdType vtkBlockDistribution::GetGlobalIndex ( vtkIdType localIndex, vtkIdType rank )

inline

Retrieve the global index associated with the given local index on the processor with the given rank.

Definition at line 134 of file vtkBlockDistribution.h.

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

• Filters/Parallel/vtkBlockDistribution.h