Decomposition according to pseudo-random number generator, which is useful for development and stress testing implementations but obviously sub-optimal for normal uses. Can optionally specify the number of consecutive cells to assign to the same processor (agglomeration). More...
Public Member Functions | |
TypeNameNoDebug ("random") | |
Runtime type information. More... | |
randomDecomp (const dictionary &decompDict, const word ®ionName="", int select=selectionType::DEFAULT) | |
Construct for decomposition dictionary and optional region name. More... | |
virtual | ~randomDecomp ()=default |
Destructor. More... | |
virtual bool | parallelAware () const |
Does not care about proc boundaries. More... | |
virtual labelList | decompose (const pointField &points, const scalarField &pointWeights) const |
Return for every coordinate the wanted processor number. More... | |
virtual labelList | decompose (const pointField &points) const |
Decompose with uniform weights on the points. More... | |
virtual labelList | decompose (const polyMesh &mesh, const pointField &cc, const scalarField &cWeights) const |
Return for every coordinate the wanted processor number. More... | |
virtual labelList | decompose (const labelListList &globalCellCells, const pointField &cc, const scalarField &cWeights) const |
Return for every coordinate the wanted processor number. More... | |
Public Member Functions inherited from decompositionMethod | |
TypeName ("decompositionMethod") | |
Runtime type information. More... | |
declareRunTimeSelectionTable (autoPtr, decompositionMethod, dictionary,(const dictionary &decompDict, const word ®ionName),(decompDict, regionName)) | |
decompositionMethod (const dictionary &decompDict, const word ®ionName="") | |
Construct given the decomposition dictionary, optionally region-specific. More... | |
virtual | ~decompositionMethod ()=default |
Destructor. More... | |
label | nDomains () const noexcept |
Number of domains. More... | |
virtual labelList | decompose (const polyMesh &mesh, const pointField &points) const |
Decompose with uniform weights on the points. More... | |
virtual labelList | decompose (const polyMesh &mesh, const labelList &cellToRegion, const pointField ®ionPoints, const scalarField ®ionWeights) const |
Return for every coordinate the wanted processor number. Gets. More... | |
virtual labelList | decompose (const polyMesh &mesh, const labelList &cellToRegion, const pointField ®ionPoints) const |
Like decompose but with uniform weights on the regions. More... | |
virtual labelList | decompose (const labelListList &globalCellCells, const pointField &cc) const |
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) const |
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) const |
Helper: apply constraints to a decomposition. More... | |
virtual labelList | decompose (const polyMesh &mesh, const scalarField &cellWeights, const boolList &blockedFace, const PtrList< labelList > &specifiedProcessorFaces, const labelList &specifiedProcessor, const List< labelPair > &explicitConnections) const |
labelList | decompose (const polyMesh &mesh, const scalarField &cWeights) const |
Decompose a mesh. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from decompositionMethod | |
static label | nDomains (const dictionary &decompDict, const word ®ionName="") |
Return region-specific or top-level numberOfSubdomains entry. More... | |
static const dictionary & | optionalRegionDict (const dictionary &decompDict, const word ®ionName) |
Return an optional region-specific dictionary from "regions" sub-dictionary, or dictionary::null on failure. More... | |
static autoPtr< decompositionMethod > | New (const dictionary &decompDict, const word ®ionName="") |
Return a reference to the selected decomposition method, optionally region-specific. 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 Types inherited from decompositionMethod | |
enum | selectionType { DEFAULT = 0, EXACT = 1, MANDATORY = 2, NULL_DICT = 4 } |
Selection type when handling the coefficients dictionary. More... | |
Protected Member Functions inherited from decompositionMethod | |
const dictionary & | findCoeffsDict (const word &coeffsName, int select=selectionType::DEFAULT) const |
Locate coeffsName dictionary or the fallback "coeffs" dictionary. More... | |
Static Protected Member Functions inherited from decompositionMethod | |
static const dictionary & | findCoeffsDict (const dictionary &dict, const word &coeffsName, int select=selectionType::DEFAULT) |
Locate coeffsName dictionary or the fallback "coeffs" dictionary within an enclosing dictionary. More... | |
Protected Attributes inherited from decompositionMethod | |
const dictionary & | decompDict_ |
Top-level decomposition dictionary (eg, decomposeParDict) More... | |
const dictionary & | decompRegionDict_ |
Region-specific decomposition dictionary information. More... | |
label | nDomains_ |
Number of domains for the decomposition. More... | |
PtrList< decompositionConstraint > | constraints_ |
Optional constraints. More... | |
Decomposition according to pseudo-random number generator, which is useful for development and stress testing implementations but obviously sub-optimal for normal uses. Can optionally specify the number of consecutive cells to assign to the same processor (agglomeration).
Property | Description | Required | Default |
---|---|---|---|
agglom | Number of cells to agglomerate | no | 1 |
Definition at line 64 of file randomDecomp.H.
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explicit |
Construct for decomposition dictionary and optional region name.
Definition at line 79 of file randomDecomp.C.
References dictionary::readIfPresent(), and Foam::BitOps::select().
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virtualdefault |
Destructor.
TypeNameNoDebug | ( | "random" | ) |
Runtime type information.
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inlinevirtual |
Does not care about proc boundaries.
Implements decompositionMethod.
Definition at line 126 of file randomDecomp.H.
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virtual |
Return for every coordinate the wanted processor number.
Reimplemented from decompositionMethod.
Definition at line 98 of file randomDecomp.C.
References points, and UList< T >::size().
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virtual |
Decompose with uniform weights on the points.
Reimplemented from decompositionMethod.
Definition at line 108 of file randomDecomp.C.
References points, and UList< T >::size().
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virtual |
Return for every coordinate the wanted processor number.
Implements decompositionMethod.
Definition at line 117 of file randomDecomp.C.
References mesh, and primitiveMesh::nCells().
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virtual |
Return for every coordinate the wanted processor number.
Explicitly provided connectivity - does not use mesh_.
Implements decompositionMethod.
Definition at line 128 of file randomDecomp.C.
References UList< T >::size().
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