4b4dbda0df
bindings by default. Fix a typo in README, and add a bullet to news about the MPI C++ bindings. This commit was SVN r27948.
35 строки
1.1 KiB
C++
35 строки
1.1 KiB
C++
//
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// Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
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// University Research and Technology
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// Corporation. All rights reserved.
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// Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
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//
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// Sample MPI "hello world" application in C++
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//
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// NOTE: The MPI C++ bindings were deprecated in MPI-2.2 and removed
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// from the standard in MPI-3. Open MPI still provides C++ MPI
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// bindings, but they are no longer built by default (and may be
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// removed in a future version of Open MPI). You must
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// --enable-mpi-cxx when configuring Open MPI to enable the MPI C++
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// bindings.
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//
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#include "mpi.h"
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#include <iostream>
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int main(int argc, char **argv)
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{
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int rank, size, len;
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char version[MPI_MAX_LIBRARY_VERSION_STRING];
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MPI::Init();
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rank = MPI::COMM_WORLD.Get_rank();
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size = MPI::COMM_WORLD.Get_size();
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MPI_Get_library_version(version, &len);
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std::cout << "Hello, world! I am " << rank << " of " << size
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<< "(" << version << ", " << len << ")" << std::endl;
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MPI::Finalize();
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return 0;
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}
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