70b647071c
DIY now depends on MPI optionally. Hence we no longer need to depend on DIY optionally based on whether MPI was enabled. Update cmake and c++ code to always use DIY-based components. DIY is built with MPI support if VTKm_ENABLE_MPI is ON.
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
//============================================================================
|
|
// Copyright (c) Kitware, Inc.
|
|
// All rights reserved.
|
|
// See LICENSE.txt for details.
|
|
// This software is distributed WITHOUT ANY WARRANTY; without even
|
|
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
// PURPOSE. See the above copyright notice for more information.
|
|
//
|
|
// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
|
|
// Copyright 2014 UT-Battelle, LLC.
|
|
// Copyright 2014 Los Alamos National Security.
|
|
//
|
|
// Under the terms of Contract DE-NA0003525 with NTESS,
|
|
// the U.S. Government retains certain rights in this software.
|
|
//
|
|
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
|
|
// Laboratory (LANL), the U.S. Government retains certain rights in
|
|
// this software.
|
|
//============================================================================
|
|
#ifndef vtk_m_cont_EnvironmentTracker_h
|
|
#define vtk_m_cont_EnvironmentTracker_h
|
|
|
|
#include <vtkm/Types.h>
|
|
#include <vtkm/cont/vtkm_cont_export.h>
|
|
#include <vtkm/internal/ExportMacros.h>
|
|
#include <vtkm/thirdparty/diy/Configure.h>
|
|
|
|
namespace diy
|
|
{
|
|
namespace mpi
|
|
{
|
|
class communicator;
|
|
}
|
|
}
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace cont
|
|
{
|
|
|
|
/// \brief Maintain MPI controller, if any, for distributed operation.
|
|
///
|
|
/// `EnvironmentTracker` is a class that provides static API to track the global
|
|
/// MPI controller to use for operating in a distributed environment.
|
|
class VTKM_CONT_EXPORT EnvironmentTracker
|
|
{
|
|
public:
|
|
VTKM_CONT
|
|
static void SetCommunicator(const diy::mpi::communicator& comm);
|
|
|
|
VTKM_CONT
|
|
static const diy::mpi::communicator& GetCommunicator();
|
|
};
|
|
}
|
|
}
|
|
|
|
|
|
#endif // vtk_m_cont_EnvironmentTracker_h
|