diff options
Diffstat (limited to 'src/boost/libs/mpi/test/wait_any_test.cpp')
-rw-r--r-- | src/boost/libs/mpi/test/wait_any_test.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/boost/libs/mpi/test/wait_any_test.cpp b/src/boost/libs/mpi/test/wait_any_test.cpp new file mode 100644 index 000000000..e1f4c556d --- /dev/null +++ b/src/boost/libs/mpi/test/wait_any_test.cpp @@ -0,0 +1,64 @@ +// Copyright (C) 2017 Alain Miniussi & Steffen Hirschmann + +// Use, modification and distribution is subject to the Boost Software +// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#include <string> +#include <iostream> +#include <sstream> +#include <vector> +#include <set> + +#include <boost/mpi.hpp> +#include <boost/mpi/nonblocking.hpp> +#include <boost/serialization/string.hpp> + +#define BOOST_TEST_MODULE mpi_wait_any +#include <boost/test/included/unit_test.hpp> + +namespace mpi = boost::mpi; + +BOOST_AUTO_TEST_CASE(wait_any) +{ + mpi::environment env; + mpi::communicator world; + + std::vector<std::string> ss(world.size()); + typedef std::vector<mpi::request> requests; + requests rreqs; + + std::set<int> pending_senders; + for (int i = 0; i < world.size(); ++i) { + rreqs.push_back(world.irecv(i, i, ss[i])); + pending_senders.insert(i); + } + + std::ostringstream fmt; + std::string msg = "Hello, World! this is "; + fmt << msg << world.rank(); + + requests sreqs; + for (int i = 0; i < world.size(); ++i) { + sreqs.push_back(world.isend(i, world.rank(), fmt.str())); + } + + for (int i = 0; i < world.size(); ++i) { + std::pair<mpi::status, requests::iterator> completed = mpi::wait_any(rreqs.begin(), rreqs.end()); + std::ostringstream out; + out << "Proc " << world.rank() << " got message from " << completed.first.source() << '\n'; + std::cout << out.str(); + } + + for (int i = 0; i < world.size(); ++i) { + std::ostringstream fmt; + fmt << msg << i; + std::vector<std::string>::iterator found = std::find(ss.begin(), ss.end(), fmt.str()); + BOOST_CHECK(found != ss.end()); + fmt.str(""); + fmt << "Proc " << world.rank() << " Got msg from " << i << '\n'; + std::cout << fmt.str(); + } + + mpi::wait_all(sreqs.begin(), sreqs.end()); +} |