MeshStats.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* MeshStats.h                                                 (C) 2000-2026 */
/*                                                                           */
/* Statistics on the mesh.                                                   */
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#ifndef ARCANE_CORE_MESHSTATS_H
#define ARCANE_CORE_MESHSTATS_H
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#include "arcane/utils/TraceAccessor.h"
 
#include "arcane/core/ArcaneTypes.h"
#include "arcane/core/IMeshStats.h"
 
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namespace Arcane
{
 
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class IMesh;
class IParallelMng;
class StringDictionary;
 
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class ARCANE_CORE_EXPORT MeshStats
: public TraceAccessor
, public IMeshStats
{
  friend IMeshStats;
 
 public:
 
  ARCANE_DEPRECATED_REASON("Y2026: Use MeshStats(ITraceMng*, IMesh*) instead")
  MeshStats(ITraceMng* msg, IMesh* mesh, IParallelMng* pm);
 
 private:
 
  MeshStats(ITraceMng* msg, IMesh* mesh);
 
 public:
 
  void dumpStats() override;
 
  void dumpGraphStats() override;
 
 private:
 
  IMesh* m_mesh = nullptr;
  IParallelMng* m_parallel_mng = nullptr;
 
 private:
 
  template <typename T>
  void _dumpStats();
 
  template <typename T>
  void _computeElementsOnGroup(Int64ArrayView nb_type, Int64ArrayView nb_kind, Integer istat);
 
  template <typename T>
  void _statLabel(const String& name);
 
  void _computeElementsOnGroup(Int64ArrayView nb_type, Int64ArrayView nb_kind,
                               ItemGroup group, Integer istat);
 
  void _printInfo(const String& name, Int64 nb_local,
                  Int64 nb_local_min, Integer min_rank,
                  Int64 nb_local_max, Integer max_rank,
                  Int64 nb_global, Integer nb_rank);
  void _computeNeighboorsComm();
  void _dumpLegacyConnectivityMemoryUsage();
  void _dumpIncrementalConnectivityMemoryUsage();
  void _dumpCommunicatingRanks();
};
 
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} // End namespace Arcane
 
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#endif