metis Class Reference

Metis domain decomposition. More...

Inheritance diagram for metis:
Collaboration diagram for metis:

Public Member Functions

 TypeName ("metis")
 Runtime type information. More...
 
 metis (const dictionary &)
 Construct given the decomposition dictionary. More...
 
 metis (const metis &)=delete
 Disallow default bitwise copy construction. More...
 
virtual ~metis ()
 Destructor. More...
 
virtual labelList decompose (const polyMesh &mesh, const pointField &points, const scalarField &pointWeights)
 Return for every coordinate the wanted processor number. Use the. More...
 
virtual labelList decompose (const polyMesh &mesh, const labelList &cellToRegion, const pointField &regionPoints, const scalarField &regionWeights)
 Return for every coordinate the wanted processor number. Gets. More...
 
virtual labelList decompose (const labelListList &globalCellCells, const pointField &cellCentres, const scalarField &cellWeights)
 Return for every coordinate the wanted processor number. Explicitly. More...
 
void operator= (const metis &)=delete
 Disallow default bitwise assignment. More...
 
virtual labelList decompose (const pointField &points, const scalarField &pointWeights)
 Inherit decompose from decompositionMethod. More...
 
virtual labelList decompose (const pointField &)
 Inherit decompose from decompositionMethod. More...
 
virtual labelList decompose (const polyMesh &mesh, const pointField &points, const scalarField &pointWeights)=0
 Inherit decompose from decompositionMethod. More...
 
virtual labelList decompose (const polyMesh &, const pointField &)
 Inherit decompose from decompositionMethod. More...
 
virtual labelList decompose (const polyMesh &mesh, const labelList &cellToRegion, const pointField &regionPoints, const scalarField &regionWeights)
 Inherit decompose from decompositionMethod. More...
 
virtual labelList decompose (const polyMesh &mesh, const labelList &cellToRegion, const pointField &regionPoints)
 Inherit decompose from decompositionMethod. More...
 
virtual labelList decompose (const labelListList &globalCellCells, const pointField &cellCentres, const scalarField &cellWeights)=0
 Inherit decompose from decompositionMethod. More...
 
virtual labelList decompose (const labelListList &globalCellCells, const pointField &cellCentres)
 Inherit decompose from decompositionMethod. More...
 
virtual labelList decompose (const polyMesh &mesh, const scalarField &cellWeights, const boolList &blockedFace, const PtrList< labelList > &specifiedProcessorFaces, const labelList &specifiedProcessor, const List< labelPair > &explicitConnections)
 Inherit decompose from decompositionMethod. More...
 
labelList decompose (const polyMesh &mesh, const scalarField &cellWeights)
 Inherit decompose from decompositionMethod. More...
 
- Public Member Functions inherited from decompositionMethod
 TypeName ("decompositionMethod")
 Runtime type information. More...
 
 declareRunTimeSelectionTable (autoPtr, decompositionMethod, decomposer,(const dictionary &decompositionDict),(decompositionDict))
 
 declareRunTimeSelectionTable (autoPtr, decompositionMethod, distributor,(const dictionary &decompositionDict),(decompositionDict))
 
 decompositionMethod (const dictionary &decompositionDict)
 Construct given the decomposition dictionary. More...
 
 decompositionMethod (const decompositionMethod &)=delete
 Disallow default bitwise copy construction. More...
 
virtual ~decompositionMethod ()
 Destructor. More...
 
label nDomains () const
 
virtual labelList decompose (const pointField &points, const scalarField &pointWeights)
 Return for every coordinate the wanted processor number. More...
 
virtual labelList decompose (const pointField &)
 Like decompose but with uniform weights on the points. More...
 
virtual labelList decompose (const polyMesh &, const pointField &)
 Like decompose but with uniform weights on the points. More...
 
virtual labelList decompose (const polyMesh &mesh, const labelList &cellToRegion, const pointField &regionPoints)
 Like decompose but with uniform weights on the regions. More...
 
virtual labelList decompose (const labelListList &globalCellCells, const pointField &cellCentres)
 Like decompose but with uniform weights on the cells. More...
 
void setConstraints (const polyMesh &mesh, boolList &blockedFace, PtrList< labelList > &specifiedProcessorFaces, labelList &specifiedProcessor, List< labelPair > &explicitConnections)
 Helper: extract constraints: More...
 
void applyConstraints (const polyMesh &mesh, const boolList &blockedFace, const PtrList< labelList > &specifiedProcessorFaces, const labelList &specifiedProcessor, const List< labelPair > &explicitConnections, labelList &finalDecomp)
 Helper: apply constraints to a decomposition. This gives. More...
 
virtual labelList decompose (const polyMesh &mesh, const scalarField &cellWeights, const boolList &blockedFace, const PtrList< labelList > &specifiedProcessorFaces, const labelList &specifiedProcessor, const List< labelPair > &explicitConnections)
 Decompose a mesh with constraints. More...
 
labelList decompose (const polyMesh &mesh, const scalarField &cellWeights)
 Decompose a mesh. Apply all constraints from decomposeParDict. More...
 
void operator= (const decompositionMethod &)=delete
 Disallow default bitwise assignment. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from decompositionMethod
static autoPtr< decompositionMethodNewDecomposer (const dictionary &decompositionDict)
 Return a reference to the selected decomposition method. More...
 
static autoPtr< decompositionMethodNewDistributor (const dictionary &decompositionDict)
 Return a reference to the selected decomposition method. More...
 
static IOdictionary decomposeParDict (const Time &time)
 Read and return the decomposeParDict. More...
 
static labelList scaleWeights (const scalarField &weights, label &nWeights, const bool distributed=true)
 Convert the given scalar weights to labels. More...
 
static void calcCellCells (const polyMesh &mesh, const labelList &agglom, const label nLocalCoarse, const bool global, CompactListList< label > &cellCells)
 Helper: determine (local or global) cellCells from mesh. More...
 
static void calcCellCells (const polyMesh &mesh, const labelList &agglom, const label nLocalCoarse, const bool parallel, CompactListList< label > &cellCells, CompactListList< scalar > &cellCellWeights)
 Helper: determine (local or global) cellCells and face weights. More...
 
- Protected Member Functions inherited from decompositionMethod
label nWeights (const pointField &points, const scalarField &pointWeights) const
 Return the number of weights per point. More...
 
label checkWeights (const pointField &points, const scalarField &pointWeights) const
 Check the weights against the points. More...
 
- Protected Attributes inherited from decompositionMethod
dictionary decompositionDict_
 
label nProcessors_
 
PtrList< decompositionConstraintconstraints_
 Optional constraints. More...
 

Detailed Description

Metis domain decomposition.

Source files

Definition at line 48 of file metis.H.

Constructor & Destructor Documentation

◆ metis() [1/2]

metis ( const dictionary decompositionDict)

Construct given the decomposition dictionary.

Definition at line 72 of file dummyMetis.C.

◆ metis() [2/2]

metis ( const metis )
delete

Disallow default bitwise copy construction.

◆ ~metis()

virtual ~metis ( )
inlinevirtual

Destructor.

Definition at line 80 of file metis.H.

Member Function Documentation

◆ TypeName()

TypeName ( "metis"  )

Runtime type information.

◆ decompose() [1/13]

Foam::labelList decompose ( const polyMesh mesh,
const pointField points,
const scalarField pointWeights 
)
virtual

Return for every coordinate the wanted processor number. Use the.

mesh connectivity (if needed) Weights get normalised so the minimum value is 1 before truncation to an integer so the weights should be multiples of the minimum value. The overall sum of weights might otherwise overflow.

Implements decompositionMethod.

Definition at line 83 of file dummyMetis.C.

References Foam::exit(), Foam::FatalError, FatalErrorInFunction, and notImplementedMessage.

Here is the call graph for this function:

◆ decompose() [2/13]

Foam::labelList decompose ( const polyMesh mesh,
const labelList cellToRegion,
const pointField regionPoints,
const scalarField regionWeights 
)
virtual

Return for every coordinate the wanted processor number. Gets.

passed agglomeration map (from fine to coarse cells) and coarse cell location. Can be overridden by decomposers that provide this functionality natively. See note on weights above.

Reimplemented from decompositionMethod.

Definition at line 97 of file dummyMetis.C.

References Foam::exit(), Foam::FatalError, FatalErrorInFunction, and notImplementedMessage.

Here is the call graph for this function:

◆ decompose() [3/13]

Foam::labelList decompose ( const labelListList globalCellCells,
const pointField cellCentres,
const scalarField cellWeights 
)
virtual

Return for every coordinate the wanted processor number. Explicitly.

provided mesh connectivity. The connectivity is equal to mesh.cellCells() except for

  • in parallel the cell numbers are global cell numbers (starting from 0 at processor0 and then incrementing all through the processors)
  • the connections are across coupled patches See note on weights above.

Implements decompositionMethod.

Definition at line 112 of file dummyMetis.C.

References Foam::exit(), Foam::FatalError, FatalErrorInFunction, and notImplementedMessage.

Here is the call graph for this function:

◆ operator=()

void operator= ( const metis )
delete

Disallow default bitwise assignment.

◆ decompose() [4/13]

virtual labelList decompose
inline

Inherit decompose from decompositionMethod.

Definition at line 155 of file decompositionMethod.H.

◆ decompose() [5/13]

virtual labelList decompose
inline

Inherit decompose from decompositionMethod.

Definition at line 166 of file decompositionMethod.H.

◆ decompose() [6/13]

virtual labelList decompose

Inherit decompose from decompositionMethod.

◆ decompose() [7/13]

Foam::labelList decompose

Inherit decompose from decompositionMethod.

Definition at line 185 of file decompositionMethod.C.

◆ decompose() [8/13]

Foam::labelList decompose

Inherit decompose from decompositionMethod.

Definition at line 193 of file decompositionMethod.C.

◆ decompose() [9/13]

Foam::labelList decompose

Inherit decompose from decompositionMethod.

Definition at line 202 of file decompositionMethod.C.

◆ decompose() [10/13]

virtual labelList decompose

Inherit decompose from decompositionMethod.

◆ decompose() [11/13]

Foam::labelList decompose

Inherit decompose from decompositionMethod.

Definition at line 227 of file decompositionMethod.C.

◆ decompose() [12/13]

Foam::labelList decompose

Inherit decompose from decompositionMethod.

Definition at line 313 of file decompositionMethod.C.

◆ decompose() [13/13]

Foam::labelList decompose

Inherit decompose from decompositionMethod.

Definition at line 331 of file decompositionMethod.C.


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