[Mpi3-ft] mpi file set view question

Joshua Hursey jjhursey at open-mpi.org
Mon May 2 16:52:34 CDT 2011

Yeah I didn't really know what to set as the default behavior for that function. Does someone have experience using it that could suggest a reasonable value?


On May 2, 2011, at 12:39 PM, Howard Pritchard wrote:

> Hi Folks,
> Did we ever decide how mpi_file_set_view would work after
> the application has MPI_File_validate_sync on the file handle?
> I could see some apps wanting 'holes' for missing processes,
> but then other times it might not want holes.
> Could this behavior be handled by some kind of pre-defined
> info key and then the app would pass that in to MPI_file_set_view
> after doing the mpi_file_validate_sync? An issue I see with
> this approach is there's no way to get back what the info value
> was using MPI_File_get_view.
> Howard
> -- 
> Howard Pritchard
> Software Engineering
> Cray, Inc.
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