MPI_File_preallocate function
Preallocates storage space for a file.
Syntax
int MPIAPI MPI_File_preallocate(
MPI_File file,
MPI_Offset size
);
Parameters
file
File handle.size
Size to preallocate.
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_PREALLOCATE(FH, SIZE, IERROR)
INTEGER FH, IERROR
INTEGER(KIND=MPI_OFFSET_KIND) SIZE
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 |