[Beowulf] compatibility between different versions of mpich
patrick at myri.com
Thu Jun 29 16:58:28 EDT 2006
Toon Knapen wrote:
> In particular I'm interested if e.g. the mpirun script of version 1.2.7
> is supposed to be able to launch an application that was compiled with
The mpirun scripts are specific to each device, ie the mpirun.ch_p4 is
not the same as mpirun.ch_gm or mpirun.ch_mx. As long as you don't use
an mpirun from a different device, it should be safe ti mismatch
versions, even more likely between minor versions (1.2.X).
> And what about the mpirun script that comes with mpichgm? What happens
> if that is being used to launch an application that was linked to (the
> static library) of an mpich-installation that was configured to use the
> ch_p4 device?
It won't work, ch_p4 and ch_gm use very different spawning process.
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