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Panzer_SetupPartitionedWorksetUtilities.cpp
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3//
4// Panzer: A partial differential equation assembly
5// engine for strongly coupled complex multiphysics systems
6// Copyright (2011) Sandia Corporation
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42
44
46#include "Panzer_Workset.hpp"
49
50namespace panzer
51{
52
53namespace
54{
55void
56convertMeshPartitionToWorkset(const panzer::LocalMeshPartition & partition,
57 const Teuchos::RCP<const OrientationsInterface> & orientations,
58 panzer::Workset & workset)
59{
60 WorksetOptions options;
61 options.side_assembly_ = false;
62 options.align_side_points_ = false;
63 options.orientations_ = orientations;
64
65 // Construct the workset from the partition
66 workset.setup(partition, options);
67
68}
69}
70
71Teuchos::RCP<std::vector<panzer::Workset> >
73 const panzer::WorksetDescriptor & description,
74 const Teuchos::RCP<const OrientationsInterface> & orientations)
75{
76 Teuchos::RCP<std::vector<panzer::Workset> > worksets = Teuchos::rcp(new std::vector<panzer::Workset>());
77
78 // Make sure it makes sense to partition
79 TEUCHOS_ASSERT(description.requiresPartitioning());
80
81 // Each partition represents a chunk of the mesh
82 std::vector<panzer::LocalMeshPartition> partitions;
83 panzer::generateLocalMeshPartitions(mesh_info, description, partitions);
84
85 int i=0;
86 for(const auto & partition : partitions){
87 worksets->push_back(panzer::Workset());
88 convertMeshPartitionToWorkset(partition, orientations, worksets->back());
89
90 // We hash in a unique id the the given workset
91 size_t id = std::hash<WorksetDescriptor>()(description);
92 panzer::hash_combine(id, i++);
93 worksets->back().setIdentifier(id);
94 }
95
96 return worksets;
97}
98
99}
bool requiresPartitioning() const
Do we need to partition the local mesh prior to generating worksets.
void setup(const LocalMeshPartition &partition, const WorksetOptions &options)
Constructs the workset details from a given chunk of the mesh.
void hash_combine(std::size_t &seed, const T &v)
Teuchos::RCP< std::vector< panzer::Workset > > buildPartitionedWorksets(const panzer::LocalMeshInfo &mesh_info, const panzer::WorksetDescriptor &description, const Teuchos::RCP< const OrientationsInterface > &orientations)
void generateLocalMeshPartitions(const panzer::LocalMeshInfo &mesh_info, const panzer::WorksetDescriptor &description, std::vector< panzer::LocalMeshPartition > &partitions)