| 1 | #include <boost/mpi.hpp>
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| 2 | #include <chrono>
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| 3 | #include <string>
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| 4 |
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| 5 | namespace mpi = boost::mpi;
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| 6 |
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| 7 | int main()
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| 8 | {
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| 9 | mpi::environment env;
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| 10 | mpi::communicator world;
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| 11 |
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| 12 | if (world.rank() == 0) {
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| 13 | std::string msgs[2] = {"Hello", "World"};
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| 14 | world.send(1, 0, msgs[0]);
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| 15 | world.send(1, 0, msgs[1]);
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| 16 | } else {
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| 17 | mpi::request reqs[2];
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| 18 | std::string msgs[2];
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| 19 | reqs[0] = world.irecv(0, 0, msgs[0]);
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| 20 | reqs[1] = world.irecv(0, 0, msgs[1]);
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| 21 | mpi::wait_all(std::begin(reqs), std::end(reqs));
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| 22 | }
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| 23 | }
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