OpenMPParameters.hpp

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/*
*******************************************************************************

Copyright (C) 2004, 2005, 2007 EPFL, Politecnico di Milano, INRIA
Copyright (C) 2010 EPFL, Politecnico di Milano, Emory University

This file is part of LifeV.

LifeV is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

LifeV is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with LifeV.  If not, see <http://www.gnu.org/licenses/>.

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*/
//@HEADER
/*!
  @file
  @brief Class that handles setting OpenMP parameters

  @date 2013-03
  @author Radu Popescu <radu.popescu@epfl.ch>

  @maintainer Radu Popescu <radu.popescu@epfl.ch>
*/

#ifndef OPENMP_PARAMETERS_H
#define OPENMP_PARAMETERS_H 1

#ifdef _OPENMP
#include <omp.h>
#endif

namespace LifeV
{

//! OpenMP parameter class
struct OpenMPParameters
{
    // Default constructor
    OpenMPParameters();

    // Apply OpenMP parameters
    void apply();
    // Apply OpenMP parameters
    void restorePreviousNumThreads();

    // Data
    int numThreads;
    int numThreads_backup;
#ifdef _OPENMP
    omp_sched_t scheduler;
#endif
    int chunkSize;
};

} // namespace LifeV

#endif // OPENMP_PARAMETERS_H