29 lines
768 B
C++
29 lines
768 B
C++
// Copyright (C) 2006 Douglas Gregor <doug.gregor@gmail.com>
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// A simple Hello, world! example using Boost.MPI broadcast()
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#include <boost/mpi.hpp>
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#include <iostream>
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#include <boost/serialization/string.hpp> // Needed to send/receive strings!
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namespace mpi = boost::mpi;
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int main(int argc, char* argv[])
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{
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mpi::environment env(argc, argv);
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mpi::communicator world;
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std::string value;
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if (world.rank() == 0) {
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value = "Hello, World!";
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}
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broadcast(world, value, 0);
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std::cout << "Process #" << world.rank() << " says " << value << std::endl;
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return 0;
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}
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