[petsc-users] where is PCREDISTRIBUTE?

Barry Smith bsmith at mcs.anl.gov
Sun Jan 31 15:52:03 CST 2010


   Sorry, there was an error in the case when the preconditioner was  
rebuilt with the same nonzero pattern, an internal matrix was  
mistakenly freed early.

    Drop the attached src/ksp/ps/impls/redistribute.c  and run make in  
that directory and it should run correctly.

    Barry

On Jan 31, 2010, at 7:10 AM, Christian May wrote:

> Thanks, Matt. The preconditioner is now available, but when I invoke  
> it with
>
> -ksp_type preonly -pc_type redistribute -redistribute_ksp_type cg - 
> redistribute_pc_type bjacobi -redistribute_sub_pc_type icc
>
> I get the following error:
>
> [0]PETSC ERROR: --------------------- Error Message  
> ------------------------------------
> [0]PETSC ERROR: Invalid argument!
> [0]PETSC ERROR: Wrong type of object: Parameter # 5!
> [0]PETSC ERROR:  
> ------------------------------------------------------------------------
> [0]PETSC ERROR: Petsc Development HG revision:  
> cec5db6729c23bbdb9cc80092ac1dc4ccc7e9069 HG Date: Fri Jan 29  
> 22:04:34 2010 -0600
> [0]PETSC ERROR: See docs/changes/index.html for recent updates.
> [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
> [0]PETSC ERROR: See docs/index.html for manual pages.
> [0]PETSC ERROR:  
> ------------------------------------------------------------------------
> [0]PETSC ERROR: ./SPsolver2D-petsc on a linux-gnu named a6256.hpc- 
> net.ethz.ch by cmay Sun Jan 31 11:10:52 2010
> [0]PETSC ERROR: Libraries linked from /cluster/work/phys/cmay/petsc/ 
> lib
> [0]PETSC ERROR: Configure run at Sat Jan 30 11:48:43 2010
> [0]PETSC ERROR: Configure options --prefix=/cluster/work/phys/cmay/ 
> petsc/ --with-c++-support --with-precision=double --with-sha
> red=0 --download-superlu_dist=1 --with-superlu_dist --with-parmetis- 
> lib="[/cluster/work/phys/cmay/petsc/petsc-3.0.0-p3/external
> packages/ParMetis-3.1.1/libparmetis.a,/cluster/work/phys/cmay/petsc/ 
> petsc-3.0.0-p3/externalpackages/ParMetis-3.1.1/libmetis.a]"
> --with-parmetis-include=/cluster/work/phys/cmay/petsc/petsc-3.0.0-p3/ 
> externalpackages/ParMetis-3.1.1/ --with-x=0 --with-mpi-di
> r=/cluster/apps/openmpi/1.2.7/x86_64/intel/ --with-fc=0 --download-c- 
> blas-lapack=yes
> [0]PETSC ERROR:  
> ------------------------------------------------------------------------
> [0]PETSC ERROR: MatGetSubMatrix() line 6519 in src/mat/interface/ 
> matrix.c
>
>
> Thanks
> Christian
>
>
>> Yes, you will need petsc-dev. Note that we will release 3.1 in just  
>> a few
>> weeks.
>>
>> Thanks,
>>
>>    Matt
>>
>> On Sat, Jan 30, 2010 at 4:57 AM, Christian May <cmay at phys.ethz.ch>
> wrote:
>>
>>> Hi everybody,
>>>
>>> I want to use the redistribute preconditioner to keep a matrix
> symmetric as
>>> explained in the FAQ. However, the source is not contained in my
> up-to-date
>>> installation of petsc-3.0.0-p10. Is this intended?
>>> Do I have to install the development version or how can I obtain  
>>> this
>>> additional preconditioner?
>>>
>>> Thanks
>>> Christian
>>>
>>>
>>
>>
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