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MPI_Ssend_init.3.rst

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MPI_Ssend_init

MPI_Ssend_init Builds a handle for a synchronous send.

SYNTAX

C Syntax

#include <mpi.h>

int MPI_Ssend_init(const void *buf, int count, MPI_Datatype datatype,
 int dest, int tag, MPI_Comm comm, MPI_Request *request)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_SSEND_INIT(BUF, COUNT, DATATYPE, DEST, TAG, COMM, REQUEST,
     IERROR)
 <type>  BUF(*)
 INTEGER COUNT, DATATYPE, DEST, TAG, COMM, REQUEST, IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Ssend_init(buf, count, datatype, dest, tag, comm, request, ierror)
 TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: buf
 INTEGER, INTENT(IN) :: count, dest, tag
 TYPE(MPI_Datatype), INTENT(IN) :: datatype
 TYPE(MPI_Comm), INTENT(IN) :: comm
 TYPE(MPI_Request), INTENT(OUT) :: request
 INTEGER, OPTIONAL, INTENT(OUT) :: ierror

INPUT PARAMETERS

  • buf: Initial address of send buffer (choice).
  • count: Number of elements to send (integer).
  • datatype: Type of each element (handle).
  • dest: Rank of destination (integer).
  • tag: Message tag (integer).
  • comm: Communicator (handle).

OUTPUT PARAMETERS

  • request: Communication request (handle).
  • ierror: Fortran only: Error status (integer).

DESCRIPTION

Creates a persistent communication object for a synchronous mode send operation, and binds to it all the arguments of a send operation.

A communication (send or receive) that uses a persistent request is initiated by the function MPI_Start.

ERRORS

* MPI_Bsend_init * MPI_Send_init * MPI_Rsend_init * MPI_Recv_init * MPI_Start * MPI_Startall * MPI_Ssend