MpiParallelNonBlockingCollectiveDispatch.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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/* MpiParallelNonBlockingCollectiveDispatch.h                  (C) 2000-2018 */
/*                                                                           */
/* MPI implementation of non-blocking collectives for a given type.          */
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#ifndef ARCANE_PARALLEL_MPI_MPIPARALLELNONBLOCKINGCOLLECTIVEDISPATCH_H
#define ARCANE_PARALLEL_MPI_MPIPARALLELNONBLOCKINGCOLLECTIVEDISPATCH_H
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#include "arcane/utils/TraceAccessor.h"
 
#include "arcane/core/IParallelNonBlockingCollectiveDispatch.h"
 
#include "arcane/parallel/mpi/ArcaneMpi.h"
 
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namespace Arcane
{
 
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class MpiParallelMng;
class IParallelNonBlockingCollective;
 
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template <class Type>
class MpiParallelNonBlockingCollectiveDispatchT
: public TraceAccessor
, public IParallelNonBlockingCollectiveDispatchT<Type>
{
 public:
 
  typedef Parallel::Request Request;
  typedef Parallel::eReduceType eReduceType;
 
 public:
 
  ARCANE_MPI_EXPORT MpiParallelNonBlockingCollectiveDispatchT(ITraceMng* tm, IParallelNonBlockingCollective* parallel_mng, MpiAdapter* adapter);
  virtual ARCANE_MPI_EXPORT ~MpiParallelNonBlockingCollectiveDispatchT();
  virtual ARCANE_MPI_EXPORT void finalize();
 
 public:
 
  virtual ARCANE_MPI_EXPORT Request broadcast(ArrayView<Type> send_buf, Integer sub_domain);
  virtual ARCANE_MPI_EXPORT Request allGather(ConstArrayView<Type> send_buf, ArrayView<Type> recv_buf);
  virtual ARCANE_MPI_EXPORT Request allGatherVariable(ConstArrayView<Type> send_buf, Array<Type>& recv_buf);
  virtual ARCANE_MPI_EXPORT Request gather(ConstArrayView<Type> send_buf, ArrayView<Type> recv_buf, Integer rank);
  virtual ARCANE_MPI_EXPORT Request gatherVariable(ConstArrayView<Type> send_buf, Array<Type>& recv_buf, Integer rank);
  virtual ARCANE_MPI_EXPORT Request scatterVariable(ConstArrayView<Type> send_buf, ArrayView<Type> recv_buf, Integer root);
  virtual ARCANE_MPI_EXPORT Request allToAll(ConstArrayView<Type> send_buf, ArrayView<Type> recv_buf, Integer count);
  virtual ARCANE_MPI_EXPORT Request allToAllVariable(ConstArrayView<Type> send_buf, Int32ConstArrayView send_count,
                                                     Int32ConstArrayView send_index, ArrayView<Type> recv_buf,
                                                     Int32ConstArrayView recv_count, Int32ConstArrayView recv_index);
  virtual ARCANE_MPI_EXPORT Request allReduce(eReduceType op, ConstArrayView<Type> send_buf, ArrayView<Type> recv_buf);
 
 private:
 
  IParallelMng* m_parallel_mng;
  MpiAdapter* m_adapter;
  MpiDatatype* m_datatype;
 
 private:
};
 
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} // namespace Arcane
 
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#endif