3 // Use, modification and distribution is subject to the Boost Software
5 // http://www.boost.org/LICENSE_1_0.txt)
7 // Message Passing Interface 1.1 -- Section 4.4. Broadcast
9 #include <boost/mpi/config.hpp>
10 #include <boost/mpi/collectives/broadcast.hpp>
11 #include <boost/mpi/skeleton_and_content.hpp>
12 #include <boost/mpi/detail/point_to_point.hpp>
13 #include <boost/mpi/environment.hpp>
16 namespace boost { namespace mpi {  namespace
22                                  int root)  in broadcast()  argument
24   // Only the root can broadcast the packed_oarchive  in broadcast()
25   assert(comm.rank() == root);  in broadcast()
34   std::vector<request> requests(size-1);  in broadcast()
37     if (dest != root) {  in broadcast()
47                            int root)  in broadcast()  argument
49   broadcast(comm, const_cast<const packed_oarchive&>(oa), root);  in broadcast()
55                            int root)  in broadcast()  argument
63   // Receive data from the root.  in broadcast()
64   if (comm.rank() != root) {  in broadcast()
66     detail::packed_archive_recv(comm, root, tag, ia, status);  in broadcast()
69     std::vector<request> requests(size-1);  in broadcast()
72       if (dest != root) {  in broadcast()
84                                           int root)  in broadcast()  argument
86   broadcast(comm, oa.get_skeleton(), root);  in broadcast()
92                                     packed_skeleton_oarchive& oa, int root)  in broadcast()  argument
94   broadcast(comm, oa.get_skeleton(), root);  in broadcast()
100                                     packed_skeleton_iarchive& ia, int root)  in broadcast()  argument
102   broadcast(comm, ia.get_skeleton(), root);  in broadcast()
106 void broadcast<content>(const communicator& comm, content& c, int root)  in broadcast()  argument
108   broadcast(comm, const_cast<const content&>(c), root);  in broadcast()
113                               int root)  in broadcast()  argument
118                           root, comm));  in broadcast()
125   if (comm.rank() == root) {  in broadcast()
127       if (p != root) {  in broadcast()
136                             root, environment::collectives_tag(),  in broadcast()
142 } } // end namespace boost::mpi