MeshDistributor.h 20.4 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


Thomas Witkowski's avatar
Thomas Witkowski committed
27
#include <mpi.h>
28
#include "parallel/DofComm.h"
29
#include "parallel/ElementObjectDatabase.h"
30
#include "parallel/ParallelTypes.h"
31
#include "parallel/MeshLevelData.h"
32
#include "parallel/MeshPartitioner.h"
Thomas Witkowski's avatar
Thomas Witkowski committed
33
#include "parallel/InteriorBoundary.h"
34
#include "parallel/ParallelDofMapping.h"
35
#include "parallel/PeriodicMap.h"
36
#include "parallel/StdMpi.h"
37
#include "AMDiS_fwd.h"
38
#include "Containers.h"
Thomas Witkowski's avatar
Thomas Witkowski committed
39
#include "Global.h"
40
41
#include "ProblemTimeInterface.h"
#include "ProblemIterationInterface.h"
42
#include "FiniteElemSpace.h"
43
#include "Serializer.h"
Thomas Witkowski's avatar
Thomas Witkowski committed
44
#include "BoundaryManager.h"
45
#include "SystemVector.h"
46

47
namespace AMDiS {
48
49

  using namespace std;
Thomas Witkowski's avatar
Thomas Witkowski committed
50
51
52
53


  struct BoundaryDofInfo
  {
54
    map<GeoIndex, DofContainerSet> geoDofs;
Thomas Witkowski's avatar
Thomas Witkowski committed
55
56
  };

57

58
  class MeshDistributor
59
  {
60
  private:
61
    MeshDistributor();
62
63
	          
  public:
Thomas Witkowski's avatar
Thomas Witkowski committed
64
65
    ~MeshDistributor();

66
    /// Initialization of mesh distributor.
67
    void initParallelization();
68

69
    /// Clean up procedure for the mesh distributor and attached objects.
70
    void exitParallelization();
71

72
73
74
75
76
77
78
79
    /** \brief
     * Register a parallel DOF mapping. This DOF mapping object will than 
     * automatically updated by the mesh distributer after mesh changes.
     *
     * \param[in]  dofMap   Parallel DOF mapping object.
     */
    void registerDofMap(ParallelDofMapping &dofMap);

80
81
82
    /// Adds a DOFVector to the set of \ref interchangeVecs. Thus, this vector 
    /// will be automatically interchanged between ranks when mesh is 
    /// repartitioned.
83
84
85
86
87
    void addInterchangeVector(DOFVector<double> *vec)
    {
      interchangeVectors.push_back(vec);
    }

88
89
90
91
92
93
94
    /// 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));
    }
    
95
    /** \brief
96
97
98
99
100
     * 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 to update the DOF numberings 
     * and mappings on all rank due to the new mesh structure.
101
     *
102
103
104
105
106
     * \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.
107
     */
108
    void checkMeshChange(bool tryRepartition = true);
109

Thomas Witkowski's avatar
Thomas Witkowski committed
110
111
112
    /// 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.
113
114
    void repartitionMesh();
    
Thomas Witkowski's avatar
Thomas Witkowski committed
115
116
117
118
119
120
121
    void getImbalanceFactor(double &imbalance, 
			    int &minDofs, 
			    int &maxDofs,
			    int &sumDofs);

    double getImbalanceFactor();

122
123
124
    /// Calculates the imbalancing factor and prints it to screen.
    void printImbalanceFactor();

Thomas Witkowski's avatar
Thomas Witkowski committed
125
126
127
128
    /// 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.
129
    void testForMacroMesh();
130

Thomas Witkowski's avatar
Thomas Witkowski committed
131
    inline string getName() 
132
133
134
    { 
      return name; 
    }
135

Thomas Witkowski's avatar
Thomas Witkowski committed
136
137
138
139
140
    inline Mesh* getMesh()
    {
      return mesh;
    }

141
142
    /// Returns the periodic mapping handler, \ref periodicMap.
    inline PeriodicMap& getPeriodicMap()
143
    {
144
      return periodicMap;
145
    }
146

147
    DofComm& getDofComm()
148
    {
149
      return dofComm;
150
151
    }

152
153
154
155
156
    DofComm& getDofCommSd()
    {
      return dofCommSd;
    }

157
158
159
160
161
    InteriorBoundary& getIntBoundary()
    {
      return intBoundary;
    }

162
163
164
165
166
    InteriorBoundary& getIntBoundarySd()
    {
      return intBoundarySd;
    }

167
    inline long getLastMeshChangeIndex()
168
    {
169
      return lastMeshChangeIndex;
170
    }
171

172
    inline int getMpiRank()
173
    {
174
      return mpiRank;
175
    }
176

Thomas Witkowski's avatar
Thomas Witkowski committed
177
178
179
180
181
    inline int getMpiSize()
    {
      return mpiSize;
    }

182
183
184
    inline MPI::Intracomm& getMpiComm()
    {
      return mpiComm;
185
186
    }

187
188
189
190
191
    inline bool isInitialized()
    {
      return initialized;
    }

192
    // Writes all data of this object to an output stream.
193
    void serialize(ostream &out);
194

195
    // Reads the object data from an input stream.
196
    void deserialize(istream &in);
197
198

    /** \brief
199
200
201
202
     * 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.
203
     *
204
205
206
     * 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.
207
     */    
208
209
210
211
212
    template<typename T>
    void synchVector(DOFVector<T> &vec) 
    {
      StdMpi<vector<T> > stdMpi(mpiComm);

213
214
      const FiniteElemSpace *fe = vec.getFeSpace();

215
216
      for (DofComm::Iterator it(dofComm.getSendDofs(), fe); 
	   !it.end(); it.nextRank()) {
217
	vector<T> dofs;
218
	dofs.reserve(it.getDofs().size());
219
	
220
221
	for (; !it.endDofIter(); it.nextDof())
	  dofs.push_back(vec[it.getDofIndex()]);
222
	
223
	stdMpi.send(it.getRank(), dofs);
224
      }
225
	     
226
227
      for (DofComm::Iterator it(dofComm.getRecvDofs()); 
	   !it.end(); it.nextRank())
228
229
        stdMpi.recv(it.getRank());
	     
230
      stdMpi.startCommunication();
231

232
233
      for (DofComm::Iterator it(dofComm.getRecvDofs(), fe); 
	   !it.end(); it.nextRank())
234
235
236
	for (; !it.endDofIter(); it.nextDof())
	  vec[it.getDofIndex()] = 
	     stdMpi.getRecvData(it.getRank())[it.getDofCounter()];
237
    }
Thomas Witkowski's avatar
Thomas Witkowski committed
238
   
Thomas Witkowski's avatar
Blub    
Thomas Witkowski committed
239
240
241
242
    /// 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, int level = 0);
243

Thomas Witkowski's avatar
Thomas Witkowski committed
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
    /// Works quite similar to the function \ref synchVector, but instead the 
    /// values of subdomain vectors are add along the boundaries.
    template<typename T>
    void synchAddVector(DOFVector<T> &vec)
    {
      StdMpi<vector<T> > stdMpi(mpiComm);

      const FiniteElemSpace *fe = vec.getFeSpace();

      for (DofComm::Iterator it(dofComm.getRecvDofs(), fe);
	   !it.end(); it.nextRank()) {
	vector<T> dofs;
	dofs.reserve(it.getDofs().size());
	
	for (; !it.endDofIter(); it.nextDof())
	  dofs.push_back(vec[it.getDofIndex()]);
	
	stdMpi.send(it.getRank(), dofs);
      }

      for (DofComm::Iterator it(dofComm.getSendDofs()); 
	   !it.end(); it.nextRank())
        stdMpi.recv(it.getRank());
	     
      stdMpi.startCommunication();

      for (DofComm::Iterator it(dofComm.getSendDofs(), fe); 
	   !it.end(); it.nextRank())
	for (; !it.endDofIter(); it.nextDof())
	  vec[it.getDofIndex()] += 
	     stdMpi.getRecvData(it.getRank())[it.getDofCounter()];

      synchVector(vec);
    }

279
280
281
282
283
284
    /// In 3D, a subdomain may not be a valid AMDiS mesh if it contains two
    /// parts which are only connected by an edge. In this case, the standard
    /// refinement algorithm does not work correctly, as two elements connected
    /// only on one edge are not neighours by definition. This functions checks
    /// for this situation and fix the problem. For this, the mesh is search for
    /// all edges connecting two elements that are otherwise not connected.
285
286
    void check3dValidMesh();

Thomas Witkowski's avatar
Thomas Witkowski committed
287
288
    void setBoundaryDofRequirement(Flag flag)
    {
289
      createBoundaryDofFlag |= flag;
Thomas Witkowski's avatar
Thomas Witkowski committed
290
291
    }

292
293
    BoundaryDofInfo& getBoundaryDofInfo(const FiniteElemSpace *feSpace,
					int level)
294
    {
295
296
297
298
299
300
301
      FUNCNAME("MeshDistributor::getBoundaryDofInfo()");

      TEST_EXIT_DBG(level < static_cast<int>(boundaryDofInfo.size()))
	("Wrong level number: %d, whereas array size is %d!\n", 
	 level, boundaryDofInfo.size());

      return boundaryDofInfo[level][feSpace];
302
303
    }

304
305
    void getAllBoundaryDofs(const FiniteElemSpace *feSpace, 
			    int level,
306
			    DofContainer& dofs);
307

Thomas Witkowski's avatar
Thomas Witkowski committed
308
    ElementObjectDatabase& getElementObjectDb() 
309
310
311
    {
      return elObjDb;
    }
312
313
314

    /// Adds a stationary problem to the global mesh distributor objects.
    static void addProblemStatGlobal(ProblemStatSeq *probStat);
Thomas Witkowski's avatar
Thomas Witkowski committed
315
316
317
318
319
320

    MeshLevelData& getMeshLevelData() 
    {
      return levelData;
    }

Thomas Witkowski's avatar
Thomas Witkowski committed
321
322
323
    /// Updates all registered parallel DOF mappings, see \ref dofMaps.
    void updateParallelDofMappings();

324
325
326
327
328
329
330
    void updateLocalGlobalNumbering();

    /// Updates the local and global DOF numbering after the mesh has been 
    /// changed.
    void updateLocalGlobalNumbering(ParallelDofMapping &dmap,
				    const FiniteElemSpace *feSpace);

331
  protected:
Thomas Witkowski's avatar
Thomas Witkowski committed
332
333
334
335
336
337
338
339
    /// Creates an initial paritioning of the mesh.
    void createInitialPartitioning();

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

    ///
340
341
    void addProblemStat(ProblemStatSeq *probStat);

342
343
    /// Determines the interior boundaries, i.e. boundaries between ranks, and
    /// stores all information about them in \ref interiorBoundary.
344
    void createInteriorBoundary(bool firstCall);
Thomas Witkowski's avatar
Thomas Witkowski committed
345

Thomas Witkowski's avatar
Thomas Witkowski committed
346
    ///
Thomas Witkowski's avatar
Thomas Witkowski committed
347
348
    void createBoundaryDofs();

349
350
    /// Removes all macro elements from the mesh that are not part of ranks 
    /// partition.
351
352
    void removeMacroElements();

353
354
355
356
    /// Calls \ref createPeriodicMap(feSpace) for all FE spaces that are
    /// handled by the mesh distributor.
    void createPeriodicMap();

357
358
359
    /// Creates, for a specific FE space, 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 periodicDofMap.  
360
    void createPeriodicMap(const FiniteElemSpace *feSpace);
361

362
363
364
365
366
367
    /// This function is called only once during the initialization when the
    /// whole macro mesh is available on all cores. It copies the pointers of all
    /// macro elements to \ref allMacroElements and stores all neighbour 
    /// information based on macro element indices (and not pointer based) in 
    /// \ref macroElementNeighbours. These information are then used to 
    /// reconstruct macro elements during mesh redistribution.
368
369
    void createMacroElementInfo();

370
371
    void updateMacroElementInfo();

372
    /** \brief
373
374
375
376
377
378
     * 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.
379
     *
380
381
     * \param[in] allBound   Defines a map from rank to interior boundaries 
     *                       which should be checked.
382
     *
383
384
385
     * \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.
386
387
     */
    bool checkAndAdaptBoundary(RankToBoundMap &allBound);
388
  
389
390
391
392
    /// Removes all periodic boundary condition information from all matrices and
    /// vectors of all stationary problems and from the mesh itself.
    void removePeriodicBoundaryConditions();

393
394
395
396
    /// Removes all periodic boundary condition information from all matrices and
    /// vector of a given stationary problem.
    void removePeriodicBoundaryConditions(ProblemStatSeq *probStat);

Thomas Witkowski's avatar
Thomas Witkowski committed
397
    // Removes all periodic boundaries from a given boundary map.
398
    void removePeriodicBoundaryConditions(BoundaryIndexMap& boundaryMap);
Thomas Witkowski's avatar
Thomas Witkowski committed
399

400
401
    void createMeshLevelStructure();

402
    /// Writes a vector of dof pointers to an output stream.
403
    void serialize(ostream &out, DofContainer &data);
404

405
406
407
408
    /// Writes a \ref RankToDofContainer to an output stream.
    void serialize(ostream &out, 
		   map<int, map<const FiniteElemSpace*, DofContainer> > &data);

409
    /// Reads a vector of dof pointers from an input stream.
410
    void deserialize(istream &in, DofContainer &data,
411
		     map<int, const DegreeOfFreedom*> &dofIndexMap);
412
413

    /// Reads a \ref RankToDofContainer from an input stream.
414
415
    void deserialize(istream &in, 
		     map<int, map<const FiniteElemSpace*, DofContainer> > &data,
416
		     map<const FiniteElemSpace*, map<int, const DegreeOfFreedom*> > &dofIndexMap);
417
418
419

    /// Writes a mapping from dof pointers to some values to an output stream.
    template<typename T>
420
    void serialize(ostream &out, map<const DegreeOfFreedom*, T> &data)
421
    {
422
423
      FUNCNAME("ParallelDomainBase::serialize()");

424
      int mapSize = data.size();
425
      SerUtil::serialize(out, mapSize);
426
      for (typename map<const DegreeOfFreedom*, T>::iterator it = data.begin();
427
428
429
	   it != data.end(); ++it) {
	int v1 = (*(it->first));
	T v2 = it->second;
430
431
	SerUtil::serialize(out, v1);
	SerUtil::serialize(out, v2);
432
433
434
435
436
      }
    }

    /// Reads a mapping from dof pointer to some values from an input stream.
    template<typename T>
437
    void deserialize(istream &in, map<const DegreeOfFreedom*, T> &data,
438
		     map<int, const DegreeOfFreedom*> &dofIndexMap)
439
    {
440
441
      FUNCNAME("ParallelDomainBase::deserialize()");

442
      int mapSize = 0;
443
      SerUtil::deserialize(in, mapSize);
444
445
446
      for (int i = 0; i < mapSize; i++) {
	int v1 = 0;
	T v2;
447
448
	SerUtil::deserialize(in, v1);
	SerUtil::deserialize(in, v2);
449

450
451
	TEST_EXIT_DBG(dofIndexMap.count(v1) != 0)
	  ("Cannot find DOF %d in map!\n", v1);
452

453
	data[dofIndexMap[v1]] = v2;
454
455
      }
    }
456

457
  protected:
458
459
    /// List of all stationary problems that are managed by this mesh 
    /// distributor.
460
    vector<ProblemStatSeq*> problemStat;
Thomas Witkowski's avatar
Thomas Witkowski committed
461

462
463
464
    /// If true, the mesh distributor is already initialized;
    bool initialized;

465
466
467
468
469
470
    /// The rank of the current process.
    int mpiRank;

    /// Overall number of processes.
    int mpiSize;

471
472
    /// MPI communicator collected all processes, which should be used for
    /// calculation. The Debug procces is not included in this communicator.
473
474
475
    MPI::Intracomm mpiComm;

    /// Name of the problem (as used in the init files)
476
    string name;
477

478
479
    /// Set of all different FE spaces.
    vector<const FiniteElemSpace*> feSpaces;
480
    
481
482
483
    /// Pointer to the only mesh. Note that we do not yet support multi mesh
    /// method, thus even if we consider coupled problems, all problems must
    /// be defined on the same mesh.
484
485
    Mesh *mesh;

486
487
488
    /// 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.    
489
490
    RefinementManager *refineManager;

491
492
    /// Pointer to a mesh partitioner that is used to partition the mesh to 
    /// the ranks.
493
    MeshPartitioner *partitioner;
494

495
496
    /// Weights for the elements, i.e., the number of leaf elements within 
    /// this element.
497
    map<int, double> elemWeights;
498

499
500
    /// Stores to every macro element index the number of the rank that owns this
    /// macro element.
501
    map<int, int> partitionMap;
502

503
    /// Database to store and query all sub-objects of all elements of the 
504
    /// macro mesh.
505
    ElementObjectDatabase elObjDb;
Thomas Witkowski's avatar
Thomas Witkowski committed
506

507
    /// Defines the interior boundaries of the domain that result from 
508
509
    /// partitioning the whole mesh. 
    InteriorBoundary intBoundary;
510

511
512
    InteriorBoundary intBoundarySd;

513
    DofComm dofComm;
514

515
516
    DofComm dofCommSd;

517
    PeriodicMap periodicMap;
518

519
520
521
522
    /// This set of values must be interchanged between ranks when the mesh is 
    /// repartitioned.
    vector<DOFVector<double>*> interchangeVectors;
		        
523
524
525
526
    /// 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.
527
    bool deserialized;
528

529
530
531
    /// Denotes whether there exists a filewriter for this object.
    bool writeSerializationFile;

532
533
534
    /// If true, it is possible to repartition the mesh during computations.
    bool repartitioningAllowed;

535
536
    /// Stores the number of mesh changes that must lie in between to 
    /// repartitionings.
537
538
    int repartitionIthChange;

539
540
    /// Counts the number of mesh changes after the last mesh repartitioning 
    /// was done.
541
    int nMeshChangesAfterLastRepartitioning;
542

543
544
545
    /// Countes the number of mesh repartitions that were done. Till now, this 
    /// variable is used only for debug outputs.
    int repartitioningCounter;
546

547
548
549
550
551
    /// If repartitioning of the mesh fail, this variable has a positive value
    /// that gives the number of mesh changes the mesh distributer will wait
    /// before trying new mesh repartitioning.
    int repartitioningFailed;

552
    /// Directory name where all debug output files should be written to.
553
    string debugOutputDir;
554

555
556
    /// Stores the mesh change index. This is used to recognize changes in the
    /// mesh structure (e.g. through refinement or coarsening managers).
557
    long lastMeshChangeIndex;
558

559
560
561
562
    /// Stores for all macro elements of the original macro mesh the
    /// neighbourhood information based on element indices. Thus, each macro
    /// element index is mapped to a vector containing all indices of 
    /// neighbouring macro elements.
563
    map<int, vector<int> > macroElementNeighbours;
564

565
566
    /// Store all macro elements of the overall mesh, i.e., before the
    /// mesh is redistributed for the first time.
567
    vector<MacroElement*> allMacroElements;
568

Thomas Witkowski's avatar
Thomas Witkowski committed
569
570
    Flag createBoundaryDofFlag;

571
572
573
    /// Stores on each mesh level for all FE spaces the information about
    /// all boundary DOFs.
    vector<map<const FiniteElemSpace*, BoundaryDofInfo> > boundaryDofInfo;
574

575
576
    /// Stores information about hierarchical decomposition of the mesh levels.
    /// Is used to specify multi level solver methods.
577
578
    MeshLevelData levelData;

Thomas Witkowski's avatar
bla    
Thomas Witkowski committed
579
580
581
582
583
584
    /// If there is no mesh adaptivity, the mesh distributor can remove some
    /// data structures which are only used if mesh changes or it must be
    /// redistributed due to some local adaptivity. By default, this variable
    /// is set to true, and thus no special assumption are made.
    bool meshAdaptivity;

585
586
587
588
589
    /// Specifies whether the global domain has periodic boundaries. Thus, this
    /// variable is not related to rank's subdomain but to the global problem
    /// and therefore the value if the same on all ranks.
    bool hasPeriodicBoundary;

590
591
592
593
    /// Set of all parallel DOF mapping object that are registered by parallel
    /// solver objects and must be updated automatically after mesh change.
    vector<ParallelDofMapping*> dofMaps;

Thomas Witkowski's avatar
Thomas Witkowski committed
594
595
596
    /// If true, detailed timings for benchmarking are printed.
    bool printTimings;

Thomas Witkowski's avatar
Thomas Witkowski committed
597
  public:
598
599
600
    /// The boundary DOFs are sorted by subobject entities, i.e., first all
    /// face DOFs, edge DOFs and to the last vertex DOFs will be set to
    /// communication structure vectors, \ref sendDofs and \ref recvDofs.
Thomas Witkowski's avatar
Thomas Witkowski committed
601
602
    static const Flag BOUNDARY_SUBOBJ_SORTED;

603
604
605
606
607
608
609
610
611
    /// When boundary DOFs are created, \ref boundaryDofInfo is filled for
    /// all DOFs that this rank will send to other ranks (thus, rank 
    /// owned DOFs.
    static const Flag BOUNDARY_FILL_INFO_SEND_DOFS;

    /// When boundary DOFs are created, \ref boundaryDofInfo is filled for
    /// all DOFs that this rank will receive from other ranks (thus, DOFs
    /// that are owned by another rank).
    static const Flag BOUNDARY_FILL_INFO_RECV_DOFS;
Thomas Witkowski's avatar
Thomas Witkowski committed
612

613
614
    static MeshDistributor *globalMeshDistributor;

615
    friend class ParallelDebug;
616
617
618
  };
}

619
#endif // AMDIS_MESHDISTRIBUTOR_H