[MPIWG Fortran] MPI_SIZEOF: redux

[Jeff Hammond]

Is this intrinsic in F90? Are we deprecating F77 and F90 bindings? Else we need this. 

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> On Jun 5, 2014, at 7:47 PM, "Jeff Squyres (jsquyres)" <jsquyres at cisco.com> wrote:
> 
> SHORT VERSION: Given the Fortran intrinsic storage_size(), should we deprecate MPI_SIZEOF?
> 
> MORE DETAIL:
> 
> MPI_SIZEOF has been around since MPI-2.0 (i.e., 1996).  I don't know how long storage_size() has been around in Fortran, but I can see that it's not in the default gfortran that is in RHEL6 (v4.4.7) -- it looks like it appeared in the gfortran v4.6 series.
> 
> Is it time to deprecate MPI_SIZEOF?  We don't have to delete it any time soon, but we can indicate to Fortran MPI developers that they should be using storage_size().
> 
> -- 
> Jeff Squyres
> jsquyres at cisco.com
> For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
> 
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