[MPI3 Fortran] Deprecate mpif.h?

Supalov, Alexander alexander.supalov at intel.com
Fri Mar 5 03:48:59 CST 2010

Thanks. I think there's some difference between "deprecating" and "freezing". The former implies people will have to move to the mpi3 module once. The latter means they can "just" sit tight and forget about MPI-3. Hence the higher presumed impact of the deprecation.

-----Original Message-----
From: mpi3-fortran-bounces at lists.mpi-forum.org [mailto:mpi3-fortran-bounces at lists.mpi-forum.org] On Behalf Of Bill Long
Sent: Friday, March 05, 2010 12:55 AM
To: MPI-3 Fortran working group
Subject: Re: [MPI3 Fortran] Deprecate mpif.h?

Supalov, Alexander wrote:
> Now, imagine we deprecate the mpif.h/mpi module and add the mpi3 module. It look like we'll upset 90% of the users and prevent other 7% from going to MPI-3. Makes 97%. Bad.
> Imagine we freeze mpif.h/mpi module and add mpi3 module. We'll probably hit 7% of the users who would otherwise be willing to try MPI-3. Not deadly but still painful.

In this context, I believe that "deprecate" and "freeze" mean the same 
thing.  Thus, there is not a distinction between these two cases.


Bill Long                                           longb at cray.com
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