[mpich-discuss] Different architectures

[Peter Kroon]

Are you suggestion that I should install a 32b version on all machines
because 32b can't *talk* to 64b?


2012/12/9 Jeff Hammond <jhammond at alcf.anl.gov>

> It appears you're trying to use the 64b library (ELFCLASS64...) on the
> 32b master.  In any case, I don't believe MPICH works in the
> heterogeneous case.  In theory, you should be able to use a 32b
> library across both machines though.
>
> Jeff
>
> On Sun, Dec 9, 2012 at 1:40 PM, Peter Kroon <plakroon at gmail.com> wrote:
> > Hello,
> >
> > I've installed mpich2 on ubuntu i386(master) via
> > https://help.ubuntu.com/community/MpichCluster
> > I have another machine amd64(slave).
> >
> > When i run my script on master I get an error: error while loading shared
> > libraries: linbmpich.so.3: wrong ELF CLASS: ELFCLASS64
> >
> > Is mpich compatible with different architectures? If so what's the
> easiest
> > way for me to get rid of my error?
> >
> > Also note that I need this to work with x86-64 as well.
> >
> > Best,
> > Peter
> >
> >
> >
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>
>
> --
> Jeff Hammond
> Argonne Leadership Computing Facility
> University of Chicago Computation Institute
> jhammond at alcf.anl.gov / (630) 252-5381
> http://www.linkedin.com/in/jeffhammond
> https://wiki.alcf.anl.gov/parts/index.php/User:Jhammond
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