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

Craig Rasmussen crasmussen at newmexicoconsortium.org
Wed Jun 3 10:57:27 CDT 2009

Thanks for the reply.


On Jun 2, 2009, at 1:36 PM, N.M. Maclaren 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.
> Here are some unasked for comments :-)
>> 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?
> In that case, yes, clearly.  I agree about the careful thought.
>> 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.
> I fully agree.  MPI3?
>> 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,  MPI_COUNT.
> Are there any tokens representing opaque types left?  Other than  
> counts,
> those are the only ones that I can think of a strong reason for adding
> the complication of a special KIND.
> Regards,
> Nick Maclaren,
> University of Cambridge Computing Service,
> New Museums Site, Pembroke Street, Cambridge CB2 3QH, England.
> Email:  nmm1 at cam.ac.uk
> Tel.:  +44 1223 334761    Fax:  +44 1223 334679
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