SharedMemoryParallelSuperMng.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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/* SharedMemoryParallelSuperMng.h                              (C) 2000-2020 */
/*                                                                           */
/* Implementation of 'IParallelSuperMng' shared memory mode.                 */
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#ifndef ARCANE_PARALLEL_THREAD_SHAREDMEMORYPARALLELSUPERMNG_H
#define ARCANE_PARALLEL_THREAD_SHAREDMEMORYPARALLELSUPERMNG_H
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#include "arcane/core/IParallelSuperMng.h"
#include "arcane/core/Parallel.h"
 
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namespace Arcane
{
class ServiceBuildInfo;
}
 
namespace Arcane::MessagePassing
{
 
class SharedMemoryParallelMngContainer;
 
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class ARCANE_THREAD_EXPORT SharedMemoryParallelSuperMng
: public IParallelSuperMng
{
 public:
 
  explicit SharedMemoryParallelSuperMng(const ServiceBuildInfo& sbi);
  SharedMemoryParallelSuperMng(const ServiceBuildInfo& sbi, Parallel::Communicator communicator,
                               bool has_mpi_init);
  ~SharedMemoryParallelSuperMng() override;
 
  void initialize() override;
  void build() override;
 
  IApplication* application() const override { return m_application; }
  IThreadMng* threadMng() const override;
  bool isParallel() const override { return m_is_parallel; }
  Int32 commRank() const override { return 0; }
  Int32 commSize() const override { return 0; }
  Int32 traceRank() const override { return 0; }
  void* getMPICommunicator() override { return m_communicator.communicatorAddress(); }
  Parallel::Communicator communicator() const override { return m_communicator; }
  Ref<IParallelMng> internalCreateWorldParallelMng(Int32 local_rank) override;
  void tryAbort() override;
  bool isMasterIO() const override { return commRank() == 0; }
  Int32 masterIORank() const override { return 0; }
  Int32 nbLocalSubDomain() override;
  void barrier() override {}
 
 public:
 
  void broadcast(ByteArrayView send_buf, Int32 rank) override;
  void broadcast(Int32ArrayView send_buf, Int32 rank) override;
  void broadcast(Int64ArrayView send_buf, Int32 rank) override;
  void broadcast(RealArrayView send_buf, Int32 rank) override;
 
 public:
 
  IApplication* m_application; 
  Parallel::IStat* m_stat; 
  bool m_is_parallel; 
  SharedMemoryParallelMngContainer* m_container = nullptr;
  Ref<IParallelMngContainerFactory> m_builder_factory;
  Ref<IParallelMngContainer> m_main_builder;
  Parallel::Communicator m_communicator;
  bool m_has_mpi_init = false;
};
 
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} // End namespace Arcane::MessagePassing
 
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#endif