MPI_File_write_all_begin function

Begins a split collective write using individual file pointer.

Syntax

int MPIAPI MPI_File_write_all_begin(
       MPI_File     file,
  _In_ void         *buf,
       int          count,
       MPI_Datatype datatype
);

Parameters

• file
  File handle.

• buf [in]
  Initial address of buffer.

• count
  Number of elements in buffer.

• datatype
  Datatype of each buffer element.

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_FILE_WRITE_ALL_BEGIN(FH, BUF, COUNT, DATATYPE, IERROR)
        <type> BUF(*)
        INTEGER FH, COUNT, DATATYPE, 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 File Functions