MPI_Rsend_init function

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Creates a persistent request for a ready send.

Syntax

int MPIAPI MPI_Rsend_init(
  _In_  void         *buf,
        int          count,
        MPI_Datatype datatype,
        int          dest,
        int          tag,
        MPI_Comm     comm,
  _Out_ MPI_Request  *request
);

Parameters

  • buf [in]
    Initial address of send buffer.

  • count
    Number of elements sent.

  • datatype
    Type of each element.

  • dest
    Rank of destination.

  • tag
    Message tag.

  • comm
    Communicator.

  • request [out]
    Communication request.

Return value

Returns MPI_SUCCESS on success. Otherwise, the return value is an error code.

In Fortran, the return value is stored in the IERROR parameter.

Fortran

    MPI_RSEND_INIT(BUF, COUNT, DATATYPE, DEST, TAG, COMM, REQUEST, IERROR)
        <type> BUF(*)
        INTEGER COUNT, DATATYPE, DEST, TAG, COMM, REQUEST, IERROR

Requirements

Product

HPC Pack 2012 MS-MPI Redistributable Package, HPC Pack 2008 R2 MS-MPI Redistributable Package, HPC Pack 2008 MS-MPI Redistributable Package or HPC Pack 2008 Client Utilities

Header

 Mpi.h; Mpif.h

Library

 Msmpi.lib

DLL

 Msmpi.dll

See also

MPI Point to Point Functions