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From: Tim Mattox (timattox_at_[hidden])
Date: 2007-09-14 07:42:35


Also, you might want to use this configure option to simplify switching:
--enable-mpirun-prefix-by-default

For more details, see: ./configure --help

On 9/14/07, Reuti <reuti_at_[hidden]> wrote:
> Hi,
>
> Am 13.09.2007 um 23:29 schrieb Francesco Pietra:
>
> > Is it possible to have two different compilations of openmpi on the
> > same
> > machine (dual-opterons, Debian Linux etch)?
> >
> > On that parallel computer sander.MPI (Amber9) and openmpi 1.2.3
> > have both been
> > compiled with Intel Fortran 9.1.036.
> >
> > Now, I wish to install DOCK6 on this machine and I am advised that
> > it should be
> > better compiled on GNU compilers. As to openmpi I could install the
> > Debian
> > package, which is GNU compiled. Are conflicts between the two
> > installation
> > foreseeable? Although I don't have experience with DOCK, I suspect
> > that certain
> > procedures with DOCK call sander.MPI into play.
> >
> > I rule out the alternative of compiling Amber9 with GNU compilers,
> > which will
> > run slower.
>
> this is no problem. Instead of using any prebuilt package, compile
> and install the two different versions of OMPI on your own, and use
> two different locations for them, which you can achieve by e.g.:
>
> ./configure --prefix=/opt/my_location_a
>
> and a different location of course for the other compilation. If you
> now compile your application, be sure to get the correct one of mpicc
> etc. in /opt/my_location_a/bin and also use this specific mpiexec
> therein later on by adjusting the $PATH accordingly.
>
> As we have only two different versions, we don't use the mentioned
> "modules" package for now, but hardcode the appropriate PATH in the
> jobscript for our queuing system.
>
> --- Reuti
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>

-- 
Tim Mattox, Ph.D. - http://homepage.mac.com/tmattox/
 tmattox_at_[hidden] || timattox_at_[hidden]
    I'm a bright... http://www.the-brights.net/