[mpich-discuss] changing default from MPI to MPICH

[Dave Goodell]

One decent option is to just build and install MPICH2 in some location that comes earlier in your PATH than /usr/bin.  I use a Mac for my laptop and this is what I do.

You can get an old-ish version of MPICH2 (1.0.8) via macports: http://mpich2.darwinports.com/

If you explicitly want to disable Open MPI, then you could move the various utilities (mpicc, mpiexec, etc) from /usr/bin/foo to /usr/bin/foo.disabled.  You'll of course need root privileges to do this.

-Dave

On Jun 18, 2010, at 1:19 PM CDT, m w wrote:

> Please excuse the newbie question.
> 
> I'm trying to help a first time user of MPICH, using a 10.6 Macintosh
> 
> OpenMPI runs as the default.
> 
> How can we change this?
> 
> Thanks,
> Marcia
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