ReorderPlan.hpp File Reference

Distributed entity reordering framework: ReorderRegistry, ReorderPlan, ReorderInput. More...

#include "DNDS/PermutationTransfer.hpp"
#include "MeshConnectivity.hpp"
#include <functional>
#include <string>
#include <unordered_map>
#include <unordered_set>

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Classes
struct	DNDS::Geom::EntityReorderMap
	Per-entity reorder specification: where each owned entity goes. More...
struct	DNDS::Geom::FollowSpec
struct	DNDS::Geom::ReorderInput
	Input to the reorder framework. More...
struct	DNDS::Geom::AdjEntry
	One registered adjacency entry. More...
struct	DNDS::Geom::CompanionEntry
	One registered companion entry. More...
struct	DNDS::Geom::ReorderRegistry
struct	DNDS::Geom::ReorderPlan

Namespaces
namespace	DNDS
	the host side operators are provided as implemented
namespace	DNDS::Geom

Typedefs
using	DNDS::Geom::AdjRemapFn = std::function< void(const PermutationTransfer::LookupResult &lookup)>
	Callback invoked during REMAP phase for an adjacency array.
using	DNDS::Geom::AdjRelocateFn = std::function< void(const PermutationTransfer &transfer, const MPIInfo &mpi)>
	Callback invoked during RELOCATE phase for an adjacency or companion array.

Enumerations
enum class	DNDS::Geom::AdjAction {   DNDS::Geom::SKIP , DNDS::Geom::RELOCATE , DNDS::Geom::REMAP , DNDS::Geom::RELOCATE_REMAP ,   DNDS::Geom::SELF }
	Action to take on an adjacency during reorder. More...

Functions
AdjAction	DNDS::Geom::classifyAdj (AdjKind adj, const std::unordered_set< EntityKind > &reorderedKinds)
	Classify an adjacency given the set of reordered entity kinds.

Detailed Description

Distributed entity reordering framework: ReorderRegistry, ReorderPlan, ReorderInput.

Two-layer architecture:

• ReorderRegistry: dynamic set of callbacks (adj remap/relocate + companion relocate)
• ReorderPlan: standalone computed transfers + lookups, applies via callbacks

UnstructuredMesh provides buildReorderRegistry() and ReorderEntities() convenience methods.

Definition in file ReorderPlan.hpp.