[MPI3 Fortran] Agenda for MPI3 Fortran Working group next week

Jeff Brown jeffb at lanl.gov
Tue Jun 2 12:45:19 CDT 2009

Hi Craig

I'm not planning to attend next week.  Nathan and I are pretty much 
bowing out of this so it's good that you are plugged in.  You will have 
to represent LANL when it comes to voting.


Craig Rasmussen wrote:
> Jeff and I have worked out a list of items we need to discuss for next 
> week.  The goal is to finalize things so that we can begin to put the 
> API down in LaTex documents.  Some of this issues are pretty much 
> resolved but we should go over them one more time.
> 1. Use of intent(IN/OUT/INOUT) for parameters.
> These requires careful thought in some circumstances.  For example, 
> should the Send/Recv and Isend/Irecv data buffers all be INOUT to keep 
> the compiler for doing surprising things?
> 2. Review of new MPI derived types to be used, for example, 
> type(MPI_Comm).
> 3. How to handle MPI attributes and extra state variables.  This can 
> be done in a very Fortran way as it doesn't have to look the MPI C.
> 4. What should the name of the new module be.  We had discussed not 
> changing the name, i.e.,
>      USE MPI
> However, users will have to explicitly change their code to use the 
> new module so I don't see how we can get away with using the old 
> module name.
> 5. Review what integer kind should be used for things like tags.  
> We've previously decided to use default integer kinds except for 
> possibly for counts, in which case we would specify a specific kind, 
> Any other issues?  Please let me know and I'll add it to the agenda.
> -craig
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