[petsc-dev] Deflated GMRes algorithm.

Barry Smith bsmith at mcs.anl.gov
Thu Jan 27 16:05:50 CST 2011


  Desire,

   Let us know when it is ready for us to add to petsc-dev

   Barry


On Jan 7, 2011, at 2:34 PM, Vijay S. Mahadevan wrote:

> Desire,
> 
> Thank you very much for sending the code to the list. I am looking
> forward to understanding the algorithm and testing it for my problems
> of interest. Hopefully the petsc team will add it to the official
> repository soon.
> 
> Cheers,
> Vijay
> 
> On Fri, Jan 7, 2011 at 5:25 AM, Desire NUENTSA WAKAM
> <desire.nuentsa_wakam at inria.fr> wrote:
>> On 01/07/2011 11:32 AM, Vijay S. Mahadevan wrote:
>>> 
>>> Hi all,
>>> 
>>> I recently stumbled onto a presentation on the implementation of GMRes
>>> with adaptive deflation. The presentation available at
>>> 
>>> https://wiki.ncsa.illinois.edu/download/attachments/17630761/INRIA-UIUC-WS4-dnuentsa.pdf?version=1&modificationDate=1290547975000
>>> shows some interesting results. The presentation seems quite recent
>>> and that might be the reason why I cant find the algorithm in the
>>> petsc-dev repository. Is this to be added in the near future ? Just
>>> curious.
>>> 
>>> Vijay
>>> 
>> 
>> Hi,
>> The attached file contains the implementation of this adaptive deflation.
>> The attached presentation contains some corrections from the one you've
>> pointed out.
>> Please find in README file the instructions on how to use the code.
>> Any comments on this is  welcome
>> Thanks
>> Désiré
>> 




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