dolfinx.cpp.graph

Graph module

Functions

partitioner()	Default graph partitioner
partitioner_scotch([imbalance, seed])	SCOTCH graph partitioner
reorder_gps(graph)

Classes

AdjacencyList_int32(*args, **kwargs)	Adjacency List
AdjacencyList_int64(*args, **kwargs)	Adjacency List

class dolfinx.cpp.graph.AdjacencyList_int32(*args, **kwargs)

Bases: pybind11_object

Adjacency List

Overloaded function.

1. __init__(self: dolfinx.cpp.graph.AdjacencyList_int32, adj: numpy.ndarray[numpy.int32]) -> None

2. __init__(self: dolfinx.cpp.graph.AdjacencyList_int32, data: numpy.ndarray[numpy.int32], offsets: numpy.ndarray[numpy.int32]) -> None

property array

links(self: dolfinx.cpp.graph.AdjacencyList_int32, i: int) → numpy.ndarray[numpy.int32]

Links (edges) of a node

property num_nodes

property offsets

class dolfinx.cpp.graph.AdjacencyList_int64(*args, **kwargs)

Bases: pybind11_object

Adjacency List

Overloaded function.

1. __init__(self: dolfinx.cpp.graph.AdjacencyList_int64, adj: numpy.ndarray[numpy.int64]) -> None

2. __init__(self: dolfinx.cpp.graph.AdjacencyList_int64, data: numpy.ndarray[numpy.int64], offsets: numpy.ndarray[numpy.int32]) -> None

property array

links(self: dolfinx.cpp.graph.AdjacencyList_int64, i: int) → numpy.ndarray[numpy.int64]

Links (edges) of a node

property num_nodes

property offsets

dolfinx.cpp.graph.partitioner() → Callable[[MPICommWrapper, int, dolfinx.cpp.graph.AdjacencyList_int64, bool], dolfinx.cpp.graph.AdjacencyList_int32]

Default graph partitioner

dolfinx.cpp.graph.partitioner_scotch(imbalance: float = 0.025, seed: int = 0) → Callable[[MPICommWrapper, int, dolfinx.cpp.graph.AdjacencyList_int64, bool], dolfinx.cpp.graph.AdjacencyList_int32]

SCOTCH graph partitioner

dolfinx.cpp.graph.reorder_gps(graph: dolfinx.cpp.graph.AdjacencyList_int32) → List[int]