Mathieu, Can you include the small C program you wrote??
Rayson ================================================== Open Grid Scheduler - The Official Open Source Grid Engine http://gridscheduler.sourceforge.net/ On Mon, Oct 29, 2012 at 12:08 PM, Damien <dam...@khubla.com> wrote: > Mathieu, > > Where is the crash? Without that info, I'd suggest turning off all the > optimisations and just compile it without any flags other than what you need > to compile it cleanly (so no /O flags) and see if it crashes. > > Damien > > > On 26/10/2012 10:27 AM, Mathieu Gontier wrote: > > Dear all, > > I am willing to use OpenMPI on Windows for a CFD instead of MPICH2. My > solver is developed if Fortran77 and piloted by a C++ interface; the both > levels call MPI functions. > > So, I installed OpenMPI-1.6.2-x64 on my system and compiled my code > successfully. But, at the runtime it crashed. > I reproduced the problem into a small C application calling a Fortran > function using MPI_Allreduce; when I removed some aggressive optimization > options from the Fortran, it worked: > > Optimization: Disable (/Od) > > Inline Function Expansion: Any Suitable (/Ob2) > > Favor Size or Speed: Favor Fast Code (/Ot) > > > So, I removed the same options from the Fortran parts of my solver, but it > still crashes. I tried some others, but it still continues crashing. Does > anybody has an idea? Should I (de)activate some compilation options? Is > there some properties to build and link against libmpi_f77.lib? > > Thanks for your help. > Mathieu. > > -- > Mathieu Gontier > - MSN: mathieu.gont...@gmail.com > - Skype: mathieu_gontier > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
