73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/cont/EnvironmentTracker.h>
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#if defined(VTKM_ENABLE_MPI)
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// clang-format off
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#include <vtkm/thirdparty/diy/Configure.h>
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#include VTKM_DIY(diy/mpi.hpp)
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// clang-format on
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#else
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namespace diy
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{
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namespace mpi
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{
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class communicator
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{
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};
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}
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}
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#endif
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namespace vtkm
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{
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namespace cont
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{
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#if defined(VTKM_ENABLE_MPI)
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namespace internal
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{
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static diy::mpi::communicator GlobalCommuncator(MPI_COMM_NULL);
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}
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void EnvironmentTracker::SetCommunicator(const diy::mpi::communicator& comm)
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{
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vtkm::cont::internal::GlobalCommuncator = comm;
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}
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const diy::mpi::communicator& EnvironmentTracker::GetCommunicator()
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{
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return vtkm::cont::internal::GlobalCommuncator;
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}
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#else
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void EnvironmentTracker::SetCommunicator(const diy::mpi::communicator&)
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{
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}
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const diy::mpi::communicator& EnvironmentTracker::GetCommunicator()
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{
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static diy::mpi::communicator tmp;
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return tmp;
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}
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#endif
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} // namespace vtkm::cont
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} // namespace vtkm
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