Program Listing for File MPI.hpp¶
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//////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2016-20, Lawrence Livermore National Security, LLC and Umpire
// project contributors. See the COPYRIGHT file for details.
//
// SPDX-License-Identifier: (MIT)
//////////////////////////////////////////////////////////////////////////////
#ifndef UMPIRE_MPI_HPP
#define UMPIRE_MPI_HPP
#include "umpire/config.hpp"
#if defined(UMPIRE_ENABLE_MPI)
#include "mpi.h"
#endif
namespace umpire {
namespace util {
class MPI {
public:
static void initialize(
#if defined(UMPIRE_ENABLE_MPI)
MPI_Comm umpire_communicator
#endif
);
static void finalize();
static int getRank();
static int getSize();
static void sync();
static void logMpiInfo();
static bool isInitialized();
private:
static int s_rank;
static int s_world_size;
static bool s_initialized;
static int s_mpi_init_called;
#if defined(UMPIRE_ENABLE_MPI)
static MPI_Comm s_communicator;
#endif
};
} // end of namespace util
} // end of namespace umpire
#endif // UMPIRE_MPI_HPP