Liebe Gitlab-Nutzer, lieber Gitlab-Nutzer, es ist nun möglich sich mittels des ZIH-Logins/LDAP an unserem Dienst anzumelden. Ein Anmelden über dieses erzeugt ein neues Konto. Das alte Konto ist über den Reiter "Standard" erreichbar. Die Administratoren

Dear Gitlab user, it is now possible to log in to our service using the ZIH login/LDAP. Logging in via this will create a new account. The old account can be accessed via the "Standard" tab. The administrators

MeshDistributor.h 20 KB
Newer Older
1 2 3 4
// ============================================================================
// ==                                                                        ==
// == AMDiS - Adaptive multidimensional simulations                          ==
// ==                                                                        ==
5
// ==  http://www.amdis-fem.org                                              ==
6 7
// ==                                                                        ==
// ============================================================================
8 9 10 11 12 13 14 15 16 17 18 19
//
// Software License for AMDiS
//
// Copyright (c) 2010 Dresden University of Technology 
// All rights reserved.
// Authors: Simon Vey, Thomas Witkowski et al.
//
// This file is part of AMDiS
//
// See also license.opensource.txt in the distribution.


20

21
/** \file MeshDistributor.h */
22

23 24
#ifndef AMDIS_MESHDISTRIBUTOR_H
#define AMDIS_MESHDISTRIBUTOR_H
25 26 27


#include <map>
28
#include <set>
29
#include <vector>
Thomas Witkowski's avatar
Thomas Witkowski committed
30
#include <mpi.h>
31

32
#include "parallel/MeshPartitioner.h"
Thomas Witkowski's avatar
Thomas Witkowski committed
33
#include "parallel/InteriorBoundary.h"
34
#include "AMDiS_fwd.h"
Thomas Witkowski's avatar
Thomas Witkowski committed
35
#include "Global.h"
36 37
#include "ProblemTimeInterface.h"
#include "ProblemIterationInterface.h"
38
#include "FiniteElemSpace.h"
39
#include "Serializer.h"
Thomas Witkowski's avatar
Thomas Witkowski committed
40
#include "BoundaryManager.h"
41
#include "ElementObjectData.h"
42
#include "SystemVector.h"
43

44
namespace AMDiS {
45 46

  using namespace std;
Thomas Witkowski's avatar
Thomas Witkowski committed
47 48 49 50


  struct BoundaryDofInfo
  {
51
    map<GeoIndex, DofContainerSet> geoDofs;
Thomas Witkowski's avatar
Thomas Witkowski committed
52
  };
53
  
Thomas Witkowski's avatar
Thomas Witkowski committed
54

55
  class MeshDistributor
56
  {
57
  protected:
Thomas Witkowski's avatar
Thomas Witkowski committed
58
    /// Defines a mapping type from DOFs to rank numbers.
59
    typedef map<const DegreeOfFreedom*, int> DofToRank;
Thomas Witkowski's avatar
Thomas Witkowski committed
60 61

    /// Defines a mapping type from DOFs to a set of rank numbers.
62
    typedef map<const DegreeOfFreedom*, std::set<int> > DofToPartitions;
Thomas Witkowski's avatar
Thomas Witkowski committed
63 64

    /// Defines a mapping type from rank numbers to sets of DOFs.
65
    typedef map<int, DofContainer> RankToDofContainer;
Thomas Witkowski's avatar
Thomas Witkowski committed
66 67

    /// Defines a mapping type from DOF indices to DOF indices.
68
    typedef map<DegreeOfFreedom, DegreeOfFreedom> DofMapping;
Thomas Witkowski's avatar
Thomas Witkowski committed
69

70
    /// Defines a mapping type from DOFs to boolean values.
71
    typedef map<const DegreeOfFreedom*, bool> DofToBool;
72

Thomas Witkowski's avatar
Thomas Witkowski committed
73
    /// Defines a mapping type from DOF indices to boolean values.
74
    typedef map<DegreeOfFreedom, bool> DofIndexToBool;
Thomas Witkowski's avatar
Thomas Witkowski committed
75

Thomas Witkowski's avatar
Thomas Witkowski committed
76 77 78
    /// Forward type (it maps rank numbers to the interior boundary objects).
    typedef InteriorBoundary::RankToBoundMap RankToBoundMap;

79
    typedef map<const DegreeOfFreedom*, DegreeOfFreedom> DofIndexMap;
Thomas Witkowski's avatar
Thomas Witkowski committed
80

81
    /// Mapps a boundar type, i.e., a boundary identifier index, to a periodic 
82
    /// DOF mapping.
83 84 85
    typedef map<BoundaryType, DofMapping> PeriodicDofMap;

    typedef vector<MeshStructure> MeshCodeVec;
86

87
  public:
88
    MeshDistributor();
89 90
		          
    virtual ~MeshDistributor() {}
91

92
    void initParallelization();
93

94
    void exitParallelization();
95

96
    void addProblemStat(ProblemStatSeq *probStat);
97

98 99 100 101 102 103 104
    /// Adds a DOFVector to the set of \ref interchangeVecs. Thus, this vector will
    /// be automatically interchanged between ranks when mesh is repartitioned.
    void addInterchangeVector(DOFVector<double> *vec)
    {
      interchangeVectors.push_back(vec);
    }

105 106 107 108 109 110 111
    /// Adds all DOFVectors of a SystemVector to \ref interchangeVecs.
    void addInterchangeVector(SystemVector *vec)
    {
      for (int i = 0; i < vec->getSize(); i++)
	interchangeVectors.push_back(vec->getDOFVector(i));
    }
    
112 113 114 115
    /** \brief
     * This function checks if the mesh has changed on at least on rank. In this case,
     * the interior boundaries are adapted on all ranks such that they fit together on
     * all ranks. Furthermore the function \ref updateLocalGlobalNumbering() is called
116
     * to update the DOF numberings and mappings on all rank due to the new mesh
117
     * structure.
118 119 120 121 122
     *
     * \param[in]  tryRepartition   If this parameter is true, repartitioning may be
     *                              done. This depends on several other parameters. If
     *                              the parameter is false, the mesh is only checked
     *                              and adapted but never repartitioned.
123
     */
124
    void checkMeshChange(bool tryRepartition = true);
125

126 127 128 129 130 131 132
    /** \brief
     * Test, if the mesh consists of macro elements only. The mesh partitioning of
     * the parallelization works for macro meshes only and would fail, if the mesh
     * is already refined in some way. Therefore, this function will exit the program
     * if it finds a non macro element in the mesh.
     */
    void testForMacroMesh();
133 134

    /// Set for each element on the partitioning level the number of leaf elements.
135
    void setInitialElementWeights();
136

137
    inline virtual string getName() 
138 139 140
    { 
      return name; 
    }
141

Thomas Witkowski's avatar
Thomas Witkowski committed
142 143 144 145 146
    inline Mesh* getMesh()
    {
      return mesh;
    }

147 148 149 150 151
    /// Returns \ref feSpace.
    inline const FiniteElemSpace* getFeSpace()
    {
      return feSpace;
    }
152 153 154
    
    /// Returns \ref nRankDOFs, the number of DOFs in the rank mesh.
    inline int getNumberRankDofs() 
155
    {
156
      return nRankDofs;
157
    }
158

159
    /// Returns \ref nOverallDofs, the global number of DOFs.
160
    inline int getNumberOverallDofs()
161
    {
162
      return nOverallDofs;
163
    }
164

Thomas Witkowski's avatar
Thomas Witkowski committed
165 166 167 168 169
    inline DofMapping& getMapLocalGlobalDofs()
    {
      return mapLocalGlobalDofs;
    }

170
    /// Maps a local DOF to its global index.
171
    inline DegreeOfFreedom mapLocalToGlobal(DegreeOfFreedom dof)
172
    {
173
      return mapLocalGlobalDofs[dof];
174
    }
175

176 177
    DegreeOfFreedom mapGlobalToLocal(DegreeOfFreedom dof);

178
    /// Maps a local DOF to its local index.
179 180 181 182 183
    inline DegreeOfFreedom mapLocalToDofIndex(DegreeOfFreedom dof)
    {
      return mapLocalDofIndex[dof];
    }

Thomas Witkowski's avatar
Thomas Witkowski committed
184 185 186 187 188 189
    /// Returns the periodic mapping for all boundary DOFs in rank.
    inline PeriodicDofMap& getPeriodicMapping()
    {
      return periodicDof;
    }

190
    /// Returns for a global dof index its periodic mapping for a given boundary type.
191
    inline int getPeriodicMapping(int globalDofIndex, BoundaryType type)
192
    {
Thomas Witkowski's avatar
Thomas Witkowski committed
193 194
      FUNCNAME("MeshDistributor::getPeriodicMapping()");

195
      TEST_EXIT_DBG(periodicDof[type].count(globalDofIndex) == 1)
Thomas Witkowski's avatar
Thomas Witkowski committed
196 197
	("There is no periodic association for global DOF %d for boundary type %d!\n",
	 globalDofIndex, type);
198 199 200 201

      return periodicDof[type][globalDofIndex];
    }

202 203 204
    /// For a given global DOF index, this function returns the set of periodic
    /// associations, i.e., the boundary types the DOF is associated to, for this DOF.
    inline std::set<BoundaryType>& getPerDofAssociations(int globalDofIndex)
205
    {      
206 207 208
      TEST_EXIT_DBG(periodicDofAssociations.count(globalDofIndex)) 
 	("Should not happen!\n"); 

209
      return periodicDofAssociations[globalDofIndex];
210
    }
211

212
    /// Returns true, if the DOF (global index) is a periodic DOF.
213
    inline bool isPeriodicDof(int globalDofIndex)
214
    {
215 216
      return (periodicDofAssociations.count(globalDofIndex) > 0 &&
	       periodicDofAssociations[globalDofIndex].size() > 0);
217 218
    }

219 220 221
    /// Returns true, if the DOF (global index) is a periodic DOF for the given
    /// boundary type.
    inline bool isPeriodicDof(int globalDofIndex, BoundaryType type)
222 223
    {
      return (periodicDof[type].count(globalDofIndex) > 0);
224 225
    }

226 227
    /// Return true, if the given DOF is owned by the rank. If false, the DOF is in
    /// rank's partition, but is owned by some other rank.
228 229
    inline bool getIsRankDof(DegreeOfFreedom dof)
    {
230 231 232 233
      if (isRankDof.count(dof))
	return isRankDof[dof];

      return false;
234
    }
235

236 237 238 239 240
    inline DofIndexToBool& getIsRankDof()
    {
      return isRankDof;
    }

241
    inline long getLastMeshChangeIndex()
242
    {
243
      return lastMeshChangeIndex;
244
    }
245

246 247 248 249
    inline int getRstart()
    {
      return rstart;
    }
250

251
    inline int getMpiRank()
252
    {
253
      return mpiRank;
254
    }
255

Thomas Witkowski's avatar
Thomas Witkowski committed
256 257 258 259 260
    inline int getMpiSize()
    {
      return mpiSize;
    }

261 262 263
    inline MPI::Intracomm& getMpiComm()
    {
      return mpiComm;
264 265
    }

266
    inline RankToDofContainer& getSendDofs()
267
    {
268
      return sendDofs;
269 270
    }

271
    inline RankToDofContainer& getRecvDofs()
272
    {
273
      return recvDofs;
274
    }
275

276
    // Writes all data of this object to an output stream.
277
    void serialize(ostream &out);
278

279
    // Reads the object data from an input stream.
280
    void deserialize(istream &in);
281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300

    /** \brief
     * This function must be used if the values of a DOFVector must be synchronised
     * over all ranks. That means, that each rank sends the values of the DOFs, which
     * are owned by the rank and lie on an interior bounday, to all other ranks also
     * having these DOFs.
     *
     * This function must be used, for example, after the lineary system is solved, or
     * after the DOFVector is set by some user defined functions, e.g., initial
     * solution functions.
     */    
    void synchVector(DOFVector<double> &vec);

    /** \brief
     * Works in the same way as the function above defined for DOFVectors. Due to
     * performance, this function does not call \ref synchVector for each DOFVector,
     * but instead sends all values of all DOFVectors all at once.
     */
    void synchVector(SystemVector &vec);

301 302
    void check3dValidMesh();

Thomas Witkowski's avatar
Thomas Witkowski committed
303 304 305 306 307
    void setBoundaryDofRequirement(Flag flag)
    {
      createBoundaryDofFlag = flag;
    }

308 309 310 311 312
    BoundaryDofInfo& getBoundaryDofInfo()
    {
      return boundaryDofInfo;
    }

313
  protected:
314
    /** \brief
Thomas Witkowski's avatar
Thomas Witkowski committed
315
     * Determines the interior boundaries, i.e. boundaries between ranks, and stores
316 317
     * all information about them in \ref interiorBoundary.
     */
318
    void createInteriorBoundaryInfo();
319

Thomas Witkowski's avatar
Thomas Witkowski committed
320 321 322 323 324
    void updateInteriorBoundaryInfo();

    void createMeshElementData();

    void createBoundaryData();
Thomas Witkowski's avatar
Thomas Witkowski committed
325

Thomas Witkowski's avatar
Thomas Witkowski committed
326 327
    void createBoundaryDofs();

328 329 330
    /// Removes all macro elements from the mesh that are not part of ranks partition.
    void removeMacroElements();

331
    /// Updates the local and global DOF numbering after the mesh has been changed.
332
    void updateLocalGlobalNumbering();
333

334 335 336 337 338
    /** \brief
     * Creates to all dofs in rank's partition that are on a periodic boundary the
     * mapping from dof index to the other periodic dof indices. This information
     * is stored in \ref periodicDof.
     */
339 340
    void createPeriodicMap();

341 342
    void createMacroElementInfo();

343 344
    void updateMacroElementInfo();

345 346 347 348 349 350 351 352 353
    /** \brief
     * Checks for all given interior boundaries if the elements fit together on both
     * sides of the boundaries. If this is not the case, the mesh is adapted. Because
     * refinement of a certain element may forces the refinement of other elements,
     * it is not guaranteed that all rank's meshes fit together after this function
     * terminates. Hence, it must be called until a stable mesh refinement is reached.
     *
     * \param[in] allBound   Defines a map from rank to interior boundaries which 
     *                       should be checked.
354 355 356 357
     *
     * \return    If the mesh has  been changed by this function, it returns true. 
     *            Otherwise, it returns false, i.e., the given interior boundaries 
     *            fit together on both sides.
358 359
     */
    bool checkAndAdaptBoundary(RankToBoundMap &allBound);
360 361 362 363 364 365 366 367
  
    /** \brief
     * Checks if is required to repartition the mesh. If this is the case, a new
     * partition will be created and the mesh will be redistributed between the
     * ranks.
     */
    void repartitionMesh();

368 369
    /// Sets \ref isRankDof to all matrices and rhs vectors in a given 
    /// stationary problem.
370
    void setRankDofs(ProblemStatSeq *probStat);
371

372 373 374
    /// Sets \ref isRankDof to all matrices and rhs vectors in all stationary problems.
    void setRankDofs();

375 376 377 378
    /// Removes all periodic boundary condition information from all matrices and
    /// vectors of all stationary problems and from the mesh itself.
    void removePeriodicBoundaryConditions();

Thomas Witkowski's avatar
Thomas Witkowski committed
379
    // Removes all periodic boundaries from a given boundary map.
380
    void removePeriodicBoundaryConditions(BoundaryIndexMap& boundaryMap);
Thomas Witkowski's avatar
Thomas Witkowski committed
381

382
    /// Writes a vector of dof pointers to an output stream.
383
    void serialize(ostream &out, DofContainer &data);
384 385

    /// Reads a vector of dof pointers from an input stream.
386 387
    void deserialize(istream &in, DofContainer &data,
		     map<int, const DegreeOfFreedom*> &dofMap);
388 389

    /// Writes a \ref RankToDofContainer to an output stream.
390
    void serialize(ostream &out, RankToDofContainer &data);
391 392

    /// Reads a \ref RankToDofContainer from an input stream.
393 394
    void deserialize(istream &in, RankToDofContainer &data,
		     map<int, const DegreeOfFreedom*> &dofMap);
395

396
    /// Writes a periodic dof mapping to an output stream.
397
    void serialize(ostream &out, PeriodicDofMap &data);
398

399
    void serialize(ostream &out, map<int, std::set<int> >& data);
400

401
    /// Reads a periodic dof mapping from an input stream.
402
    void deserialize(istream &in, PeriodicDofMap &data);
403

404
    void deserialize(istream &in, map<int, std::set<int> >& data);
405

406 407
    /// Writes a mapping from dof pointers to some values to an output stream.
    template<typename T>
408
    void serialize(ostream &out, map<const DegreeOfFreedom*, T> &data)
409
    {
410 411
      FUNCNAME("ParallelDomainBase::serialize()");

412
      int mapSize = data.size();
413
      SerUtil::serialize(out, mapSize);
414
      for (typename map<const DegreeOfFreedom*, T>::iterator it = data.begin();
415 416 417
	   it != data.end(); ++it) {
	int v1 = (*(it->first));
	T v2 = it->second;
418 419
	SerUtil::serialize(out, v1);
	SerUtil::serialize(out, v2);
420 421 422 423 424
      }
    }

    /// Reads a mapping from dof pointer to some values from an input stream.
    template<typename T>
425 426
    void deserialize(istream &in, map<const DegreeOfFreedom*, T> &data,
		     map<int, const DegreeOfFreedom*> &dofMap)
427
    {
428 429
      FUNCNAME("ParallelDomainBase::deserialize()");

430
      int mapSize = 0;
431
      SerUtil::deserialize(in, mapSize);
432 433 434
      for (int i = 0; i < mapSize; i++) {
	int v1 = 0;
	T v2;
435 436
	SerUtil::deserialize(in, v1);
	SerUtil::deserialize(in, v2);
437 438 439

	TEST_EXIT_DBG(dofMap.count(v1) != 0)("Cannot find DOF %d in map!\n", v1);

440 441 442
	data[dofMap[v1]] = v2;
      }
    }
443

444
  protected:
445
    /// List of all stationary problems that are managed by this mesh distributor.
446
    vector<ProblemStatSeq*> problemStat;
Thomas Witkowski's avatar
Thomas Witkowski committed
447

448 449 450
    /// If true, the mesh distributor is already initialized;
    bool initialized;

451 452 453 454 455 456 457 458 459 460 461 462 463 464
    /// The rank of the current process.
    int mpiRank;

    /// Overall number of processes.
    int mpiSize;

    /** \brief
     * MPI communicator collected all processes, which should
     * be used for calculation. The Debug procces is not included
     * in this communicator.
     */
    MPI::Intracomm mpiComm;

    /// Name of the problem (as used in the init files)
465
    string name;
466

467 468 469
    /// Finite element space of the problem.
    FiniteElemSpace *feSpace;

470 471 472
    /// Mesh of the problem.
    Mesh *mesh;

473 474 475 476 477 478 479
    /** \brief
     * A refinement manager that should be used on the mesh. It is used to refine
     * elements at interior boundaries in order to fit together with elements on the
     * other side of the interior boundary.
     */    
    RefinementManager *refineManager;

480 481 482
    /// Info level.
    int info;

483 484
    /// Pointer to a mesh partitioner that is used to partition the mesh to the ranks.
    MeshPartitioner *partitioner;
485 486

    /// Weights for the elements, i.e., the number of leaf elements within this element.
487
    map<int, double> elemWeights;
488 489

    /** \brief
490 491
     * Stores to every macro element index the number of the rank that owns this
     * macro element.
492
     */
493
    map<int, int> partitionMap;
494

495
    /// Number of DOFs in the rank mesh.
496
    int nRankDofs;
Thomas Witkowski's avatar
Thomas Witkowski committed
497

498
    /// Number of DOFs in the whole domain.
499 500
    int nOverallDofs;

Thomas Witkowski's avatar
Thomas Witkowski committed
501 502 503 504
    // Data structure to store all sub-objects of all elements of the macro mesh.
    ElementObjects elObjects;

    // Maps to each macro element index a pointer to the corresponding element.
505
    map<int, Element*> macroElIndexMap;
Thomas Witkowski's avatar
Thomas Witkowski committed
506 507
    
    // Maps to each macro element index the type of this element.
508
    map<int, int> macroElIndexTypeMap;
Thomas Witkowski's avatar
Thomas Witkowski committed
509

Thomas Witkowski's avatar
Thomas Witkowski committed
510
    /** \brief 
Thomas Witkowski's avatar
Thomas Witkowski committed
511 512 513 514 515 516 517 518 519 520 521 522
     * Defines the interior boundaries of the domain that result from partitioning
     * the whole mesh. Contains only the boundaries, which are owned by the rank, i.e.,
     * the object gives for every neighbour rank i the boundaries this rank owns and 
     * shares with rank i.
     */
    InteriorBoundary myIntBoundary;
    
    /** \brief
     * Defines the interior boundaries of the domain that result from partitioning
     * the whole mesh. Contains only the boundaries, which are not owned by the rank,
     * i.e., the object gives for every neighbour rank i the boundaries that are
     * owned by rank i and are shared with this rank.
Thomas Witkowski's avatar
Thomas Witkowski committed
523
     */
Thomas Witkowski's avatar
Thomas Witkowski committed
524
    InteriorBoundary otherIntBoundary;
Thomas Witkowski's avatar
Thomas Witkowski committed
525

526
    /** \brief
527 528
     * Defines the periodic boundaries with other ranks. Periodic boundaries have
     * no owner, as it is the case of interior boundaries.
529 530 531
     */
    InteriorBoundary periodicBoundary;

532
    /** \brief
533 534
     * This map contains for each rank the list of DOFs the current rank must send
     * to exchange solution DOFs at the interior boundaries.
535
     */
Thomas Witkowski's avatar
Thomas Witkowski committed
536
    RankToDofContainer sendDofs;
537 538

    /** \brief
539
     * This map contains on each rank the list of DOFs from which the current rank 
540 541
     * will receive DOF values (i.e., this are all DOFs at an interior boundary). The
     * DOF indices are given in rank's local numbering.
542
     */
Thomas Witkowski's avatar
Thomas Witkowski committed
543
    RankToDofContainer recvDofs;
544 545

    /// Maps local to global dof indices.
546
    DofMapping mapLocalGlobalDofs;
547

Thomas Witkowski's avatar
Thomas Witkowski committed
548
    /// Maps local dof indices to real dof indices.
549
    DofMapping mapLocalDofIndex;  
550 551 552 553 554 555

    /** \brief
     * Maps all DOFs in ranks partition to a bool value. If it is true, the DOF is
     * owned by the rank. Otherwise, its an interior boundary DOF that is owned by
     * another rank.
     */
556 557
    DofIndexToBool isRankDof;

558
    /** \brief
559 560 561 562
     * If periodic boundaries are used, this map stores, for each periodic boundary
     * type, for all DOFs in rank's partition (that are on periodic boundaries), the 
     * corresponding mapped periodic DOFs. The mapping is defined by using global 
     * dof indices.
563
     */
564
    PeriodicDofMap periodicDof;
565 566 567 568 569
    
    /** \brief
     * If periodic boundaries are used, this map stores to each periodic DOF in rank's
     * partition the set of periodic boundaries the DOF is associated to. In 2D, most
     * DOFs are only on one periodic boundary. Only, e.g., in a box with all boundaries
570
     * being periodic, the four corners are associated by two different boundaries.
571
     */
572
    map<int, std::set<BoundaryType> > periodicDofAssociations;
573

574 575 576 577 578
    
    /// This set of values must be interchanged between ranks when the mesh is 
    /// repartitioned.
    vector<DOFVector<double>*> interchangeVectors;
		        
579
    /// Is the index of the first row of the linear system, which is owned by the rank.
Thomas Witkowski's avatar
n  
Thomas Witkowski committed
580
    int rstart;
581

582 583 584 585 586 587 588
    /** \brief
     * If the problem definition has been read from a serialization file, this 
     * variable is true, otherwise it is false. This variable is used to stop the
     * initialization function, if the problem definition has already been read from
     * a serialization file.
     */
    bool deserialized;
589

590 591 592
    /// Denotes whether there exists a filewriter for this object.
    bool writeSerializationFile;

593 594 595
    /// If true, it is possible to repartition the mesh during computations.
    bool repartitioningAllowed;

596
    /// Stores the number of mesh changes that must lie in between to repartitionings.
597 598
    int repartitionIthChange;

599 600
    /// Counts the number of mesh changes after the last mesh repartitioning was done.
    int nMeshChangesAfterLastRepartitioning;
601

602 603 604
    /// Countes the number of mesh repartitions that were done. Till now, this 
    /// variable is used only for debug outputs.
    int repartitioningCounter;
605

606
    /// Directory name where all debug output files should be written to.
607
    string debugOutputDir;
608

609 610 611 612 613
    /** \brief
     * Stores the mesh change index. This is used to recognize changes in the mesh 
     * structure (e.g. through refinement or coarsening managers).
     */
    long lastMeshChangeIndex;
614

615
    map<int, vector<int> > macroElementNeighbours;
616

617 618
    /// Store all macro elements of the overall mesh, i.e., before the macro mesh is
    /// redistributed for the first time.
619
    vector<MacroElement*> allMacroElements;
620

Thomas Witkowski's avatar
Thomas Witkowski committed
621 622 623 624 625 626 627 628 629
    Flag createBoundaryDofFlag;

    BoundaryDofInfo boundaryDofInfo;
  public:
    ///
    static const Flag BOUNDARY_SUBOBJ_SORTED;

    static const Flag BOUNDARY_EDGE_SCHUR;

630
    friend class ParallelDebug;
631 632 633
  };
}

634
#endif // AMDIS_MESHDISTRIBUTOR_H