[petsc-users] use Superlu as ilu preconditioner

[Barry Smith]

On Aug 2, 2011, at 12:23 PM, Ping Rong wrote:

> Thank you! I currently use 3.1-p8. Although I have also compiled petsc-dev, another problem is that I have programmed some solver by myself in petsc, and some of the interface, such as KSPDefaultFreeWork, seems not available any longer.

  Sorry that change is not well explained:  You can call   ierr = VecDestroyVecs(ksp->nwork,&ksp->work);CHKERRQ(ierr); to free the work vectors 

  but KSPReset() which is called by KSPDestroy() automatically calls this so in fact you usually do not need to do anything to destroy the work vectors, they are now taken care of automatically.

   Barry




> I didn't have time to look into it yet, but I will try to compiled petsc-dev again some time later. 
> 
> 
> Am 31.07.2011 18:41, schrieb Jed Brown:
>> On Fri, Jul 29, 2011 at 18:22, Jed Brown <jedbrown at mcs.anl.gov> wrote:
>> Are you using the development version of libMesh? I built libMesh with petsc-dev not long ago, and I send updates when I notice changes in petsc-dev that affect libMesh. Is it not working now?
>> 
>> I have sent patches to libmesh-devel to support the latest petsc-dev. You can apply them to your svn libmesh checkout or wait for upstream to merge them.
> 
> 
> -- 
> Ping Rong, M.Sc.
> Hamburg University of Technology
> Institut of modelling and computation
> Denickestraße 17 (Room 3031)
> 21073 Hamburg
> 
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