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Switching from openmpi to mpich2 on ia64?


The 1.6 release of openmpi fails badly on ia64, see Bug #720419.  As no
solution appears to be forthcoming, maybe the best would be to remove
ia64 from openmpi's arch list and switch to mpich2 as default
implementation for mpi-default-{bin,dev}?

I built aces3 on merulo.debian.org with mpich2, and did not encounter
any problem, are there known issues with mpich2 on ia64?


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