superlu_dist doesn't work in peysc-3.0.0-p1

[Matthew Knepley]

On Wed, Mar 25, 2009 at 11:26 AM, Ravi Kannan <rxk at cfdrc.com> wrote:

>  Hi,
>
> After I upgrade the petsc from 2.3.3 to 3.0.0, I have made the change for
> the superlu from
> _ierr = MatSetType(_A,MATSUPERLU_DIST)
> to
> _ierr = MatSetType(_A,MAT_SOLVER_SUPERLU_DIST)
>
> Is this the only change I need to do?
>

No, this type no longer exists. please see the Mat section in the Changes
document:

http://www.mcs.anl.gov/petsc/petsc-as/documentation/changes/300.html

  Matt


>
> Ravi, X.G
>
> -----Original Message-----
> *From:* petsc-users-bounces at mcs.anl.gov [mailto:
> petsc-users-bounces at mcs.anl.gov]*On Behalf Of *Matthew Knepley
> *Sent:* Wednesday, March 25, 2009 7:08 AM
> *To:* PETSc users list
> *Subject:* Re: Petsc parallel vectors with two communicators
>
> On Wed, Mar 25, 2009 at 1:05 AM, Khan, Irfan <irfan.khan at gatech.edu>wrote:
>
>> Hi
>> Can the petsc parallel vectors be used with two different communicators?
>> For instance, I have created two different communicators called FEA_Comm and
>> FSI_Comm. The total number of processes are x+y. FSI_Comm works on x+y but
>> FEA_Comm works only on x.
>>
>> Now I am trying to create parallel vectors a1 and a2 such that a1 has
>> entries from x+y processes but a2 has entries from only y processes.
>>
>> After splitting the communicators I assign PETSC_COMM_WORLD to FEA_Comm
>> which works on only x processes. Subsequently petsc is initialized
>> (PetscInitialize()). But when the parallel vectors are created, the
>> processes hang.
>
>
> PETSC_COMM_WORLD should encompass all processes you wish to use in PETSc,
> so that means x+y. You can create Vec
> objects on subcommunicators, like x.
>
>   Matt
>
>
>>
>> Any suggestions will be helpful
>>
>> Thankyou
>> Irfan
>> Graduate Research Assistant
>> Woodruff school of Mechanical Engineering
>> Atlanta, GA (30307)
>>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
>


-- 
What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
lead.
-- Norbert Wiener
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