Partition of a domain into nb_parties balanced parts using the PARMETIS library. More...

#include <Partitionneur_Parmetis.h>

Inheritance diagram for Partitionneur_Parmetis:

Collaboration diagram for Partitionneur_Parmetis:

Public Member Functions
int	lire_motcle_non_standard (const Motcle &, Entree &) override
	Reads non-simple-type parameters of an Objet_U from an input stream.
void	associer_domaine (const Domaine &domaine) override
void	construire_partition (IntVect &elem_part, int &nb_parts_tot) const override
	Computes the connectivity graph for parmetis, calls the partitioner and fills elem_part (for each element, the number of the part assigned to it).
Public Member Functions inherited from Objet_U
	~Objet_U () override
	Destructor. Removes the object from the list of objects registered in "memory".
int	numero () const
	Returns the index of the object in Memoire::data.
virtual int	duplique () const =0
virtual Sortie &	printOn (Sortie &) const
	Writes the object to an output stream. Virtual method to override.
virtual unsigned	taille_memoire () const =0
virtual int	est_egal_a (const Objet_U &) const
	Returns 1 if x and *this are the same instance (same memory address).
virtual const Nom &	le_nom () const
	Returns the name of the Objet_U. Virtual method to override: returns "neant" in this implementation.
virtual void	nommer (const Nom &)
	Assigns a name to the Objet_U. Virtual method to override.
virtual int	reprendre (Entree &)
	Restores an Objet_U from an input stream. Virtual method to override.
virtual int	sauvegarder (Sortie &) const
	Saves an Objet_U to an output stream. Virtual method to override.
int	get_object_id () const
	Returns the unique identifier of the object (object_id_).
virtual const Type_info *	get_info () const
	Returns type information for the Objet_U.
const Nom &	que_suis_je () const
	Returns the string identifying the class.
const char *	le_type () const
	Returns the type name of the Objet_U.
virtual int	change_num (const int *const)
	Changes the internal number of the Objet_U.
virtual int	associer_ (Objet_U &)
	Associates the Objet_U with another Objet_U. Virtual method to override.
const Interprete &	interprete () const
Interprete &	interprete ()
Public Member Functions inherited from Process
virtual	~Process ()

Protected Member Functions
void	validate_params () const override
	Called in the readOn of Objet_U_With_Params, after reading the params.
Protected Member Functions inherited from Objet_U_With_Params
Entree &	readOn (Entree &) override final
	Reading of the input stream (dataset) with the helper class Param.
Protected Member Functions inherited from Objet_U
	Objet_U ()
	Default constructor: assigns a unique identifier to the object (object_id_) and registers the object in "memory" by giving it a num_obj number.
	Objet_U (const Objet_U &)
	Copy constructor.
const Objet_U &	operator= (const Objet_U &)
	Assignment operator: does nothing (the number and identifier are preserved).
virtual void	set_param (Param &) const

Additional Inherited Members
Public Types inherited from Partitionneur_base_32_64< int >
using	int_t
using	ArrOfInt_t
using	IntVect_t
using	IntTab_t
using	Domaine_t
using	Static_Int_Lists_t
using	Bord_t
using	BigArrOfInt_
using	BigIntVect_
Static Public Member Functions inherited from Partitionneur_base_32_64< int >
static void	corriger_elem0_sur_proc0 (BigIntVect_ &elem_part)
	Corrects the partition so that element 0 of the initial domain is on the first sub-domain of the partition.
static int_t	calculer_graphe_connexions_periodiques (const Domaine_t &domaine, const Static_Int_Lists_t &som_elem, const int_t my_offset, Static_Int_Lists_t &graph)
	Computes a connectivity graph between elements connected by periodic faces.
static int_t	corriger_bords_avec_graphe (const Static_Int_Lists_t &graph_elements_perio, const Static_Int_Lists_t &som_elem, const Domaine_t &domaine, BigIntVect_ &elem_part)
	Corrects elem_part so that element i is on the same partition elem_part[i] as all elements connected to it in the graph.
static void	corriger_bords_avec_liste (const Domaine_t &dom, const int_t my_offset, BigIntVect_ &elem_part)
	Computes the periodic element connectivity graphs and calls corriger_periodique_avec_graphe.
static int_t	corriger_sommets_bord (const Domaine_t &domaine, const ArrOfInt_t &renum_som_perio, const Static_Int_Lists_t &som_elem, BigIntVect_ &elem_part)
	Modifies elem_part to ensure the following properties: 1) Elements that have a boundary vertex are associated.
static int_t	corriger_multiperiodique (const Domaine_t &domaine, const ArrOfInt_t &renum_som_perio, const Static_Int_Lists_t &som_elem, BigIntVect_ &elem_part)
	Applies corrections to elem_part so that multi-periodicity is correct:
Static Public Member Functions inherited from Objet_U
static const Nom &	nom_du_cas ()
	Returns a constant reference to the case name. This method is static.
static Nom &	get_set_nom_du_cas ()
	Returns a non-constant reference to the case name (to allow modification). This method is static.
static const Type_info *	info ()
	Returns type information for the Objet_U (static version).
static const Objet_U &	self_cast (const Objet_U &)
	Method added for casting in Python.
static Objet_U &	self_cast (Objet_U &)
Static Public Member Functions inherited from Process
static int	me ()
	Returns the rank of the local processor in the current communication group. See Comm_Group::rank() and PE_Groups::current_group().
static int	nproc ()
	Returns the number of processors in the current group. See Comm_Group::nproc() and PE_Groups::current_group().
static bool	is_parallel ()
static void	exit (int exit_code=-1)
	Exit routine for TRUST within a Kokkos region.
static double	mp_sum (double)
	Computes the sum of x over all processors in the current group.
static float	mp_sum (float)
static trustIdType	mp_sum (trustIdType)
	Computes the sum of x over all processors in the current group.
static double	mp_max (double)
static double	mp_min (double)
static int	mp_max (int)
	Returns the maximum value of x across all processors in the current group.
static int	mp_min (int)
	Returns the minimum value of x across all processors in the current group.
static double	mp_sum_as_double (int v)
static trustIdType	mppartial_sum (trustIdType i)
	Computes the partial sum of x over processors 0 to me()-1 (returns 0 on processor 0).
template<typename T>
static void	mp_sum_for_each (T &arg1, T &arg2)
	C++14 compatible mp_sum_for_each: combine multiple mp_sum calls into one collective operation Usage: mp_sum_for_each(a, b); mp_sum_for_each(a, b, c); mp_sum_for_each(a, b, c, d); mp_sum_for_each(a, b, c, d, e); All arguments must be of the same type (double or int) and are modified in place. Supports 2-5 parameters.
template<typename T>
static void	mp_sum_for_each (T &arg1, T &arg2, T &arg3)
template<typename T>
static void	mp_sum_for_each (T &arg1, T &arg2, T &arg3, T &arg4)
template<typename T>
static void	mp_sum_for_each (T &arg1, T &arg2, T &arg3, T &arg4, T &arg5)
template<typename T>
static void	mp_max_for_each (T &arg1, T &arg2)
	C++14 compatible mp_max_for_each: combine multiple mp_max calls into one collective operation.
template<typename T>
static void	mp_max_for_each (T &arg1, T &arg2, T &arg3)
template<typename T>
static void	mp_max_for_each (T &arg1, T &arg2, T &arg3, T &arg4)
template<typename T>
static void	mp_max_for_each (T &arg1, T &arg2, T &arg3, T &arg4, T &arg5)
template<typename T>
static void	mp_min_for_each (T &arg1, T &arg2)
	C++14 compatible mp_min_for_each: combine multiple mp_min calls into one collective operation.
template<typename T>
static void	mp_min_for_each (T &arg1, T &arg2, T &arg3)
template<typename T>
static void	mp_min_for_each (T &arg1, T &arg2, T &arg3, T &arg4)
template<typename T>
static void	mp_min_for_each (T &arg1, T &arg2, T &arg3, T &arg4, T &arg5)
template<typename _TYPE_>
static void	mp_sum_for_each_item (TRUSTArray< _TYPE_ > &x, int n=-1)
template<typename _TYPE_>
static void	mp_max_for_each_item (TRUSTArray< _TYPE_ > &x, int n=-1)
template<typename _TYPE_>
static void	mp_min_for_each_item (TRUSTArray< _TYPE_ > &x, int n=-1)
static bool	mp_and (bool)
	Computes the logical AND of b across all processors in the current group.
static bool	mp_or (bool)
static int	check_int_overflow (trustIdType)
static int	je_suis_maitre ()
	Returns 1 if on the master processor of the current group (i.e. me() == 0), 0 otherwise.
static KOKKOS_INLINE_FUNCTION void	Kokkos_exit (const char *)
	Exit routine for TRUST within a Kokkos region.
static int	node_master ()
	Returns 1 if on the NUMA node master processor, 0 otherwise.
static void	exit (const Nom &message, int exit_code=-1)
static bool	is_sequential ()
static void	barrier ()
	Synchronizes all processors in the current group (waits until all processors have reached the barrier).
static void	abort ()
	Abort routine for TRUST on a fatal error.
static Sortie &	Journal (int message_level=0)
	Returns a static Sortie object used as an event journal.
static double	ram_processeur ()
static void	imprimer_ram_totale (int all_process=0)
static bool	force_single_file (const int ranks, const Nom &filename)
Static Public Attributes inherited from Objet_U
static double	precision_geom = 1e-10
static constexpr bool	HAS_POINTER = false
static int	dimension =0
static int	format_precision_geom =11
static int	axi =0
static int	bidim_axi =0
static int	DEACTIVATE_SIGINT_CATCH =0
static Type_info	info_obj
static bool	disable_TU =false
	Flag to disable or not the writing of the .TU files.
static bool	stat_per_proc_perf_log =false
	Flag to enable the writing of the statistics detailed per processor in _csv.TU file.
Static Public Attributes inherited from Process
static int	exception_sur_exit =0
static int	multiple_files =5120

Detailed Description

Partition of a domain into nb_parties balanced parts using the PARMETIS library.

See construire_partition.

Definition at line 30 of file Partitionneur_Parmetis.h.

Member Function Documentation

◆ associer_domaine()

void Partitionneur_Parmetis::associer_domaine ( const Domaine & domaine )

overridevirtual

Implements Partitionneur_base_32_64< int >.

Definition at line 73 of file Partitionneur_Parmetis.cpp.

◆ construire_partition()

void Partitionneur_Parmetis::construire_partition	(	IntVect &	elem_part,
		int &	nb_parts_tot ) const

overridevirtual

Computes the connectivity graph for parmetis, calls the partitioner and fills elem_part (for each element, the number of the part assigned to it).

Implements Partitionneur_base_32_64< int >.

Definition at line 81 of file Partitionneur_Parmetis.cpp.

◆ lire_motcle_non_standard()

int Partitionneur_Parmetis::lire_motcle_non_standard	(	const Motcle &	motlu,
		Entree &	is )

overridevirtual

Reads non-simple-type parameters of an Objet_U from an input stream.

Parameters

motlu	The name of the keyword to read.
is	An input stream.

Returns: Negative value if the keyword is not understood, otherwise positive value.

Reimplemented from Partitionneur_base_32_64< int >.

Definition at line 68 of file Partitionneur_Parmetis.cpp.

◆ validate_params()

void Partitionneur_Parmetis::validate_params ( ) const

overrideprotectedvirtual

Called in the readOn of Objet_U_With_Params, after reading the params.

Should check the coherence and validity of the params, throwing/exiting accordingly At this point, we are still const.

Reimplemented from Objet_U_With_Params.

Definition at line 60 of file Partitionneur_Parmetis.cpp.

The documentation for this class was generated from the following files:

/home/docs/trust-code/src/Kernel/Geometrie/Decoupeur/Partitionneur_Parmetis.h
/home/docs/trust-code/src/Kernel/Geometrie/Decoupeur/Partitionneur_Parmetis.cpp

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ associer_domaine()

◆ construire_partition()

◆ lire_motcle_non_standard()

◆ validate_params()