On Jul 12, 2007, at 2:28 PM, Michael wrote:
In the FAQ <http://www.open-mpi.org/faq/?category=mpi-apps>, section
labeled:
12. How do I build BLACS with Open MPI?
INTFACE = -Df77IsF2C
That INTFACE value is only for G77, G95, and related compilers.
For the Intel Fortran compiler it is: -DAdd_
Really? I always thought that this flag discussed how to convert F77
MPI handles to C handles (some MPI implementations use integers for
MPI handles in C, so there's no conversion necessary, but LAM and
Open MPI use pointers, so using the MPI_*_f2c() functions are
necessary). Hence, it's not specific to a given fortran compiler.
But I could be completely misunderstanding this value...
UTK: can you confirm/deny both of these values? (I do not claim to
be a BLACS expert...)
I have successfully built the combination of OpenMPI 1.2.3, ATLAS,
BLACS, ScalaPack, and MUMPS using the Intel Fortran compiler on two
different Debian Linux systems (3.0r3 on AMD Opterons and 4.0r0 on
Intel Woodcrest/MacPro).
Michael
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Jeff Squyres
Cisco Systems
