[Users] New thorn NoMPI

[Jian Tao]

I don't know any thorns explicitly include mpi.h. What If we replace mpi.h with cctk_mpi.h in the cactus header file and make nompi (or whatever suitable name for this choice) as one of the compilation options ? Surely, code to implement nompi needs to be in the flesh. 

Regards,
Jian

On Dec 3, 2010, at 11:21 AM, Erik Schnetter <schnetter at cct.lsu.edu> wrote:

> On Fri, Dec 3, 2010 at 10:57 AM, Ian Hinder <ian.hinder at aei.mpg.de> wrote:
>> 
>> Wouldn't it make more sense for NoMPI to provide the usual mpi.h header so that authors of thorns which call MPI don't need to know anything about the particular implementation they are using?
> 
> Yes, this is my long-term goal. At the moment, only a subset of MPI is
> supported, and to avoid confusion I've made it explicit whether a
> thorn requires full MPI or this substitute. (Also, to prevent
> confusion between which mpi.h file is included, I would probably call
> it cctk_mpi.h.)
> 
> -erik
> 
> -- 
> Erik Schnetter <schnetter at cct.lsu.edu>   http://www.cct.lsu.edu/~eschnett/
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