MPI_INEIGHBOR_ALLTOALL(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm, request) | |
IN sendbuf | starting address of send buffer (choice) |
IN sendcount | number of elements sent to each neighbor (non-negative integer) |
IN sendtype | datatype of send buffer elements (handle) |
OUT recvbuf | starting address of receive buffer (choice) |
IN recvcount | number of elements received from each neighbor (non-negative integer) |
IN recvtype | datatype of receive buffer elements (handle) |
IN comm | communicator with associated virtual topology (handle) |
OUT request | communication request (handle) |
MPI_INEIGHBOR_ALLTOALL starts a nonblocking variant of MPI_NEIGHBOR_ALLTOALL.
MPI_INEIGHBOR_ALLTOALLV(sendbuf, sendcounts, sdispls, sendtype, recvbuf, recvcounts, rdispls, recvtype, comm, request) | |
IN sendbuf | starting address of send buffer (choice) |
IN sendcounts | nonnegative integer array (of length outdegree) specifying the number of elements to send to each neighbor |
IN sdispls | integer array (of length outdegree). Entry j specifies the displacement (relative to sendbuf) from which send the outgoing data to neighbor j |
IN sendtype | datatype of send buffer elements (handle) |
OUT recvbuf | starting address of receive buffer (choice) |
IN recvcounts | nonnegative integer array (of length indegree) specifying the number of elements that are received from each neighbor |
IN rdispls | integer array (of length indegree). Entry i specifies the displacement (relative to recvbuf) at which to place the incoming data from neighbor i |
IN recvtype | datatype of receive buffer elements (handle) |
IN comm | communicator with associated virtual topology (handle) |
OUT request | communication request (handle) |
MPI_INEIGHBOR_ALLTOALLV starts a nonblocking variant of MPI_NEIGHBOR_ALLTOALLV.
MPI_INEIGHBOR_ALLTOALLW(sendbuf, sendcounts, sdispls, sendtypes, recvbuf, recvcounts, rdispls, recvtypes, comm, request) | |
IN sendbuf | starting address of send buffer (choice) |
IN sendcounts | nonnegative integer array (of length outdegree) specifying the number of elements to send to each neighbor |
IN sdispls | integer array (of length outdegree). Entry j specifies the displacement in bytes (relative to sendbuf) from which to take the outgoing data destined for neighbor j (array of integers) |
IN sendtypes | array of datatypes (of length outdegree). Entry j specifies the type of data to send to neighbor j (array of handles) |
OUT recvbuf | starting address of receive buffer (choice) |
IN recvcounts | nonnegative integer array (of length indegree) specifying the number of elements that are received from each neighbor |
IN rdispls | integer array (of length indegree). Entry i specifies the displacement in bytes (relative to recvbuf) at which to place the incoming data from neighbor i (array of integers) |
IN recvtypes | array of datatypes (of length indegree). Entry i specifies the type of data received from neighbor i (array of handles) |
IN comm | communicator with associated virtual topology (handle) |
OUT request | communication request (handle) |
MPI_INEIGHBOR_ALLTOALLW starts a nonblocking variant of MPI_NEIGHBOR_ALLTOALLW.