[MPIWG Fortran] Type of MPI_Status

Bill Long longb at cray.com
Mon Mar 17 14:25:05 CDT 2014


On Mar 17, 2014, at 2:19 PM, Jeff Hammond <jeff.science at gmail.com> wrote:

> 
> So what you're saying is that users will not be able to use "-i8" or
> equivalent when building OpenMPI?  That is quite common despite being
> totally evil.

I completely agree it is both common and evil.  But it is the real world.  Typically, the reason is to make REAL 64-bit, but to stay clean with Fortran rules you need to make INTEGER 64-bit as well. Hence compiler switches to set the default to 64-bits.  

Cheers,
Bill

> 
> Jeff

Bill Long                                                                       longb at cray.com
Fortran Technical Suport  &                                  voice:  651-605-9024
Bioinformatics Software Development                     fax:  651-605-9142
Cray Inc./ Cray Plaza, Suite 210/ 380 Jackson St./ St. Paul, MN 55101





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