[Mpi3-rma] Fwd: [Mpi-comments] Freeing memory allocated in MPI_WIN_ALLOCATE_SHARED

Jeff Hammond jhammond at alcf.anl.gov
Tue Sep 4 16:22:32 CDT 2012


Shouldn't that be a new call (MPI_Win_free_shared) to keep the usage
of MPI_Win_free uniform?  MPI_Win_free doesn't deallocate the buffers
in any other situation, does it?

Jeff

On Tue, Sep 4, 2012 at 4:07 PM, Jim Dinan <dinan at mcs.anl.gov> wrote:
> Hi All,
>
> It looks like we forgot to include the text specifying that
> MPI_Win_allocate_shared memory is freed along with the window.
>
>  ~Jim.
>
>
> -------- Original Message --------
> Subject:        [Mpi-comments] Freeing memory allocated in
> MPI_WIN_ALLOCATE_SHARED
> Date:   Tue, 4 Sep 2012 12:49:10 +0000
> From:   Hubert Ritzdorf <Hubert.Ritzdorf at emea.nec.com>
> Reply-To:       Comments on the MPI Standard
> <mpi-comments at lists.mpi-forum.org>
> To:     mpi-comments at lists.mpi-forum.org <mpi-comments at lists.mpi-forum.org>
>
>
>
> Hi,
>
> is it correct that MPI_Win_free should free the memory allocated in
> MPI_Win_allocate_shared ?
>
> MPI_Win_free (Page 416, Line 5-6) specifies this only for
> memory allocated by MPI_Win_allocate.
> I think that an additional reference to MPI_Win_allocate_shared is
> missing also on Page 420, Line 31, Page 448 Line 25, Page 609 Line 31,
> Page 613 Line 1, Page 614 Line 9, Page 614 Line 31.
>
> Hubert
>
>
>
>
>
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-- 
Jeff Hammond
Argonne Leadership Computing Facility
University of Chicago Computation Institute
jhammond at alcf.anl.gov / (630) 252-5381
http://www.linkedin.com/in/jeffhammond
https://wiki.alcf.anl.gov/parts/index.php/User:Jhammond



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