Veselin Dobrev
c9d9d0f8ff
interinsics can be used when CUDA is enabled. A few tweaks related to adios2 when building with GNU make.
94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
// Copyright (c) 2010-2020, Lawrence Livermore National Security, LLC. Produced
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// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
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// LICENSE and NOTICE for details. LLNL-CODE-806117.
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//
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// This file is part of the MFEM library. For more information and source code
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// availability visit https://mfem.org.
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//
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// MFEM is free software; you can redistribute it and/or modify it under the
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// terms of the BSD-3 license. We welcome feedback and contributions, see file
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// CONTRIBUTING.md for details.
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//
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// Created on: Jan 7, 2020
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// Author: William F Godoy godoywf@ornl.gov
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// adios2: Adaptable Input/Output System https://github.com/ornladios/ADIOS2
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#ifndef MFEM_ADIOS2DATACOLLECTION
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#define MFEM_ADIOS2DATACOLLECTION
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#include "../config/config.hpp"
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#ifdef MFEM_USE_ADIOS2
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#include "../general/adios2stream.hpp"
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#include "datacollection.hpp"
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#include <memory> // std::unique_ptr
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#include <string>
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namespace mfem
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{
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class ADIOS2DataCollection : public DataCollection
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{
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public:
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#ifdef MFEM_USE_MPI
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/**
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* Parallel constructor. Important: scope of this object must be within
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* MPI_Init and MPI_Finalize otherwise. The destructor will call the Close
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* function. Either object must live in a try/catch block (inside try) or use
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* raw pointers calling delete before MPI_Finalize.
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* @param comm MPI communicator setting the datacollection domain
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* @param collection_name unique name for saving data
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* @param mesh can be set at the constructor level or later by calling
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* SetMesh()
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* @param engine_type adios2 engine type
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*/
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ADIOS2DataCollection(MPI_Comm comm, const std::string& collection_name,
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Mesh* mesh = nullptr,
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const std::string engine_type = "BPFile");
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#else
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/**
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* Serial constructor
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* @param collection_name unique name for saving data
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* @param mesh can be set at the constructor level or later by calling
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* SetMesh()
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* @param engine_type adios2 engine type
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* @throws std::invalid_argument (user input error) or std::runtime_error
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* (system error)
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*/
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ADIOS2DataCollection(const std::string& collection_name, Mesh* mesh = nullptr,
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const std::string engine_type = "BPFile");
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#endif
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virtual ~ADIOS2DataCollection();
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/** Save the collection */
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virtual void Save();
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/**
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* Pass a parameter unique to adios2datacollection
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* For available parameters:
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* See https://adios2.readthedocs.io/en/latest/engines/engines.html
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* The most common is: key=SubStreams value=1 to nprocs (MPI processes)
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* @param key parameter key
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* @param value parameter value
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*/
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void SetParameter(const std::string key, const std::string value) noexcept;
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/**
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* Sets the levels of detail for the global grid refinement
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* @param levels_of_detail (default = 1)
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*/
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void SetLevelsOfDetail(const int levels_of_detail) noexcept;
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private:
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std::unique_ptr<adios2stream> stream;
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};
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} // namespace mfem
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#endif // MFEM_USE_ADIOS2
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#endif /* MFEM_ADIOS2DATACOLLECTION */
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