[Beowulf] Does anyone here mix CISC and RISC within their clusters.

C Bergström cbergstrom at pathscale.com
Wed Oct 26 22:30:56 PDT 2016

Could this be related some some ENDIAN issue? I've never heard of this
before and quite frankly - no idea about how MPI should behave in this
setup.. curious..

What's the exact error and have you tried asking the openmpi or mpich
mailing lists?

On Thu, Oct 27, 2016 at 1:00 PM, Darren Wise <darren at wisecorp.co.uk> wrote:
> Heya folks,
> I have a SUN T2000 SPARC64 quadcore (16 HW threads niagra) using ORACLE
> Linux 1.0 (don't ask but SOLARIS 10,11 just was not having it.. At all)
> Along with seven dual socket, quadcore AMD x86-64 CISC nodes running ubuntu
> 16.4LTS, MPICH and OpenMPI are giving me some strange errors but as soon as
> I opt out the SUN box everything runs smoothly.
> I know it's not the best idea since sliced bread came about, but if I have
> the machines around just wanted to add the sun T2k into the mix.
> Tried starting processes from both CISC and RISC sides but only when they
> are seperate do they fully complete.
> Shared NFS and passwordless SSH is all installed fine apart from some
> version number differences and the same with the actual age of the
> distributions, ORACLE linux SPARC64 edition version 1.0 must be a few years
> old now circa 2013 maybe verses ubuntu 16.4LTS which must be early on this
> year and the same with OpenMPI versions differing I gather..
> I will try to down and upgrade the packages from source, compile and try to
> sync all that.
> Just curious really if anyone else has tried doing this at home or where
> ever..
>> Kind regards,
>> Darren Wise Esq,
>> B.Sc, HND, GNVQ, City & Guilds.
>> Managing Director (MD)
>> Art Director (AD)
>> Chief Architect/Analyst (CA/A)
>> Chief Technical Officer (CTO)
>> www.wisecorp.co.uk
>> www.wisecorp.co.uk/babywise
>> www.darrenwise.co.uk
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