> I have sofar used a homogenous 32-bit cluster.
> Now i have added a new machine which is 64 bit
>
> This means i have to reconfigure open MPI with
`--enable-heterogeneous`, right?
Not necessarily. If you don't need the 64bit capabilities you could run
32 bit binaries along with a 32 bit version of OpenMPI. At least that
approach has worked so far for me.
Regards,
David Mathog
mathog_at_[hidden]
Manager, Sequence Analysis Facility, Biology Division, Caltech
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