[MPI3-IO] Topics for discussion for the I/O working group slot
Rob Latham
robl at mcs.anl.gov
Tue Feb 26 08:21:04 CST 2013
On Mon, Feb 25, 2013 at 05:26:28PM -0600, Mohamad Chaarawi wrote:
> Hi Dries,
>
> On 2/25/2013 3:44 PM, Dries Kimpe wrote:
> >- Fix shared file pointer access cfr. the EuroMPI paper?
>
> yes thanks for reminding me :-)
>
> >- independent file view changes
>
> Do you think, implementation wise, that it would be straightforward
> to just remove this restriction? I'm worried how that would effect
> shared file pointer operations in the standard.
> I'm all for having a new routine to change the file view
> independently with restrictions on what comes after that.
Yes, please. MPI_File_set_view_not_dumb would be a fine name.
Or one could introduce a crapton of routines that take a file view in
addition to a memory datatype and obviate the need for setting file
view at all (well except for data representation but who actually does
that?)
==rob
--
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA
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