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Add support for MPI intercommunicators

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[SVN r37882]
This commit is contained in:
Douglas Gregor
2007-06-04 14:49:13 +00:00
parent 8cd257f4cb
commit 03e2016cf7
10 changed files with 264 additions and 43 deletions
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21
src/communicator.cpp
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@@ -5,6 +5,7 @@
// http://www.boost.org/LICENSE_1_0.txt)
#include <boost/mpi/communicator.hpp>
#include <boost/mpi/group.hpp>
#include <boost/mpi/intercommunicator.hpp>
#include <boost/mpi/skeleton_and_content.hpp>
#include <boost/mpi/detail/point_to_point.hpp>
@@ -55,7 +56,8 @@ communicator::communicator(const MPI_Comm& comm, comm_create_kind kind)
}
}
communicator::communicator(const communicator& comm, const group& subgroup)
communicator::communicator(const communicator& comm,
const boost::mpi::group& subgroup)
{
MPI_Comm newcomm;
BOOST_MPI_CHECK_RESULT(MPI_Comm_create,
@@ -77,6 +79,13 @@ int communicator::rank() const
return rank_;
}
boost::mpi::group communicator::group() const
{
MPI_Group gr;
BOOST_MPI_CHECK_RESULT(MPI_Comm_group, ((MPI_Comm)*this, &gr));
return boost::mpi::group(gr, /*adopt=*/true);
}
void communicator::send(int dest, int tag) const
{
BOOST_MPI_CHECK_RESULT(MPI_Send,
@@ -141,6 +150,16 @@ communicator communicator::split(int color, int key) const
return communicator(newcomm, comm_take_ownership);
}
optional<intercommunicator> communicator::as_intercommunicator() const
{
int flag;
BOOST_MPI_CHECK_RESULT(MPI_Comm_test_inter, ((MPI_Comm)*this, &flag));
if (flag)
return intercommunicator(comm_ptr);
else
return optional<intercommunicator>();
}
bool communicator::has_cartesian_topology() const
{
int status;