[mpich-discuss] Different architectures

Jeff Hammond jhammond at alcf.anl.gov
Sun Dec 9 13:51:04 CST 2012

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.


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

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