docs/api/partition_8h_source.html

#ifndef PARTITION_H

#define PARTITION_H


#include <array>

#include <cstdint>

#include <vector>


#include "common_typedef.h"


class DistributedMesh;


uint64_t hilbert_key(const std::array<double, N_DIM> & x, const std::array<double, N_DIM> & lo,

                     const std::array<double, N_DIM> & hi);


std::vector<int> partition_hilbert(const DistributedMesh & mesh, int n_parts);


std::array<int, N_DIM> grid_shape(int n_parts, const std::array<double, N_DIM> & extent);


std::vector<int> partition_multijagged(const DistributedMesh & mesh, int n_parts);


std::vector<int> partition_graph(const DistributedMesh & mesh, int n_parts);


bool have_graph_partitioner();


#endif // PARTITION_H

DistributedMesh
The mesh during setup, spread over the ranks. Each rank starts from its block of the mesh (cells,...
Definition distributed_mesh.h:50

dot
KOKKOS_INLINE_FUNCTION rtype dot(const rtype *a, const rtype *b)
Compute the dot product of two arrays.
Definition common_math.h:32

common_typedef.h
Typedefs for common types.

have_graph_partitioner
bool have_graph_partitioner()
Whether this build has a graph partitioner.
Definition partition.cpp:65

partition_hilbert
std::vector< int > partition_hilbert(const DistributedMesh &mesh, int n_parts)
Owner rank of every block cell of a distributed mesh: cells sorted along the Hilbert curve of their v...
Definition partition.cpp:74

grid_shape
std::array< int, N_DIM > grid_shape(int n_parts, const std::array< double, N_DIM > &extent)
Parts per axis of the grid of n_parts blocks of a box with these extents that has the least total are...
Definition partition.cpp:144

partition_multijagged
std::vector< int > partition_multijagged(const DistributedMesh &mesh, int n_parts)
Owner rank of every block cell of a distributed mesh by multi-jagged coordinate partitioning (collect...
Definition partition.cpp:185

hilbert_key
uint64_t hilbert_key(const std::array< double, N_DIM > &x, const std::array< double, N_DIM > &lo, const std::array< double, N_DIM > &hi)
Position along the Hilbert curve of a point in the box [lo, hi] (any dimension; 63 / N_DIM bits per a...
Definition partition.cpp:27

partition_graph
std::vector< int > partition_graph(const DistributedMesh &mesh, int n_parts)
Owner rank of every block cell of a distributed mesh from dKaMinPar on its dual graph (collective)....
Definition partition.cpp:293