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MPI_Alloc_mem function

Allocate memory for message passing and RMA

Syntax

int MPIAPI MPI_Alloc_mem(
        MPI_Aint size,
        MPI_Info info,
  _Out_ void     *baseptr
);

Parameters

  • size
    Size of memory segment in bytes.

  • info
    Info argument.

  • baseptr [out]
    Pointer to beginning of memory segment allocated.

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_ALLOC_MEM(SIZE, INFO, BASEPTR, IERROR)
        INTEGER INFO, IERROR
        INTEGER(KIND=MPI_ADDRESS_KIND) SIZE, BASEPTR

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 Management Functions