Arcane::ArcaneInitialPartitioner Class Reference

Inheritance diagram for Arcane::ArcaneInitialPartitioner:

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Classes
struct	TrueOwnerInfo

Public Member Functions
	ArcaneInitialPartitioner (ArcaneCasePartitioner *mt, ISubDomain *sd)
void	build () override
void	partitionAndDistributeMeshes (ConstArrayView< IMesh * > meshes) override
	Partitions the meshes.
Public Member Functions inherited from Arcane::IInitialPartitioner
virtual	~IInitialPartitioner ()=default
	Releases resources.

Public Attributes
ISubDomain *	m_sub_domain = nullptr
ArcaneCasePartitioner *	m_main = nullptr
UniqueArray< TrueOwnerInfo >	m_part_indexes
	Stores for each mesh a variable indicating which partition each cell belongs to.

Private Member Functions
void	_mergeConstraints (ConstArrayView< IMesh * > meshes)
	Groups cells associated with constraints on the same process.
void	_printStats (Integer nb_part, IMesh *mesh, VariableCellInt32 &new_owners)
	Prints statistics on the partitioning.

Detailed Description

Definition at line 65 of file ArcaneCasePartitioner.cc.

Constructor & Destructor Documentation

ArcaneInitialPartitioner()

Arcane::ArcaneInitialPartitioner::ArcaneInitialPartitioner ( ArcaneCasePartitioner * mt, ISubDomain * sd )

inline

Definition at line 78 of file ArcaneCasePartitioner.cc.

Member Function Documentation

_mergeConstraints()

void Arcane::ArcaneInitialPartitioner::_mergeConstraints ( ConstArrayView< IMesh * > meshes )

private

Groups cells associated with constraints on the same process.

Definition at line 152 of file ArcaneCasePartitioner.cc.

References Arcane::IItemFamily::allItems(), ARCANE_FATAL, Arcane::IParallelMng::commRank(), Arcane::ITimeStats::dumpTimeAndMemoryUsage(), ENUMERATE_CELL, Arcane::ITraceMng::info(), Arcane::IItemFamily::itemsNewOwner(), Arcane::ISubDomain::parallelMng(), Arcane::IBase::serviceMng(), Arcane::ConstArrayView< T >::size(), Arcane::ISubDomain::timeStats(), and Arcane::IBase::traceMng().

Referenced by partitionAndDistributeMeshes().

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_printStats()

void Arcane::ArcaneInitialPartitioner::_printStats ( Integer nb_part, IMesh * mesh, VariableCellInt32 & new_owners )

private

Prints statistics on the partitioning.

Definition at line 294 of file ArcaneCasePartitioner.cc.

References ENUMERATE_CELL, Arcane::ITraceMng::info(), Arcane::IParallelMng::reduce(), and Arcane::MessagePassing::ReduceSum.

Referenced by partitionAndDistributeMeshes().

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build()

void Arcane::ArcaneInitialPartitioner::build ( )

inlineoverridevirtual

Implements Arcane::IInitialPartitioner.

Definition at line 83 of file ArcaneCasePartitioner.cc.

partitionAndDistributeMeshes()

void Arcane::ArcaneInitialPartitioner::partitionAndDistributeMeshes ( ConstArrayView< IMesh * > meshes )

overridevirtual

Partitions the meshes.

This operation must partition all meshes and distribute them across all processors.

Implements Arcane::IInitialPartitioner.

Definition at line 207 of file ArcaneCasePartitioner.cc.

References _mergeConstraints(), _printStats(), Arcane::IItemFamily::allItems(), ARCANE_CHECK_POINTER, ARCANE_FATAL, Arcane::IParallelMng::commSize(), Arcane::ServiceBuilder< InterfaceType >::createReference(), Arcane::ITimeStats::dumpTimeAndMemoryUsage(), ENUMERATE_CELL, ENUMERATE_NODE, Arcane::ITraceMng::info(), Arcane::IItemFamily::itemsNewOwner(), Arcane::Timer::lastActivationTime(), m_part_indexes, Arcane::ISubDomain::parallelMng(), Arcane::SB_AllowNull, Arcane::ConstArrayView< T >::size(), Arcane::Timer::TimerReal, Arcane::ISubDomain::timeStats(), and Arcane::IBase::traceMng().

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Member Data Documentation

m_main

ArcaneCasePartitioner* Arcane::ArcaneInitialPartitioner::m_main = nullptr

Definition at line 97 of file ArcaneCasePartitioner.cc.

m_part_indexes

UniqueArray<TrueOwnerInfo> Arcane::ArcaneInitialPartitioner::m_part_indexes

Stores for each mesh a variable indicating which partition each cell belongs to.

Definition at line 99 of file ArcaneCasePartitioner.cc.

Referenced by partitionAndDistributeMeshes().

m_sub_domain

ISubDomain* Arcane::ArcaneInitialPartitioner::m_sub_domain = nullptr

Definition at line 96 of file ArcaneCasePartitioner.cc.

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

• ArcaneCasePartitioner.cc