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Subject: Re: [OMPI users] Ok, I've got OpenMPI set up, now what?!
From: Damien Hocking (damien_at_[hidden])
Date: 2010-07-19 15:33:01


It does. The big difference is that MUMPS is a 3-minute compile, and
PETSc, erm, isn't. It's..longer...

D

On 19/07/2010 12:56 PM, Daniel Janzon wrote:
> Thanks a lot! PETSc seems to be really solid and integrates with MUMPS
> suggested by Damien.
>
> All the best,
> Daniel Janzon
>
> On 7/18/10, Gustavo Correa<gus_at_[hidden]> wrote:
>
>> Check PETSc:
>> http://www.mcs.anl.gov/petsc/petsc-as/
>>
>> On Jul 18, 2010, at 12:37 AM, Damien wrote:
>>
>>
>>> You should check out the MUMPS parallel linear solver.
>>>
>>> Damien
>>> Sent from my iPhone
>>>
>>> On 2010-07-17, at 5:16 PM, Daniel Janzon<janzon_at_[hidden]> wrote:
>>>
>>>
>>>> Dear OpenMPI Users,
>>>>
>>>> I successfully installed OpenMPI on some FreeBSD machines and I can
>>>> run MPI programs on the cluster. Yippie!
>>>>
>>>> But I'm not patient enough to write my own MPI-based routines. So I
>>>> thought maybe I could ask here for suggestions. I am primarily
>>>> interested in general linear algebra routines. The best would be to
>>>> for instance start Octave and just use it as normal, only that all
>>>> matrix operations would run on the cluster. Has anyone done that? The
>>>> octave-parallel package seems to be something different.
>>>>
>>>> I installed scalapack and the test files ran successfully with mpirun
>>>> (except a few of them). But the source code examples of scalapack
>>>> looks terrible. Is there no higher-level library that provides an API
>>>> with matrix operations, which have all MPI parallelism stuff handled
>>>> for you in the background? Certainly a smart piece of software can
>>>> decide better than me how to chunk up a matrix and pass it out to the
>>>> available processes.
>>>>
>>>> All the best,
>>>> Daniel
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