[petsc-users] PETSc interface to MueLu

[victor.magri at dicea.unipd.it]

Dear Hong, 

According to this link 

http://www.fastmath-scidac.org/software/mlmuelu.html [1] 

MueLu is the sucessor to ML and should support a larger number of scalar
types. Also according to this presentation 

https://cfwebprod.sandia.gov/cfdocs/CompResearch/docs/MueLuOverview_TUG2013.pdf
[2] 

I suppose that MueLu would give a cleaner implementation of ML's
features and possibly give a faster code. Also, as it supports the
Kokkos library, we would have the possibility to run on MPI+threads or
MPI+GPU. However, I think that implementing an interface for this could
be a problem since PETSc works better with pure MPI, please correct me
if I am wrong about this. 

Anyway, if it were possible, I just would like to try both multigrid
implementations through PETSc and see how they behave. 

Thank you! 

Il 28-01-2016 17:32 Hong ha scritto: 

> Victor, 
> What are the differences between MueLu and ML? 
> Hong
> 
> On Thu, Jan 28, 2016 at 3:04 AM, <victor.magri at dicea.unipd.it> wrote:
> 
>> Dear PETSc developers, 
>> 
>> is it possible to create an interface for MueLu (given its dependencies to other Trilinos packages)? Do you plan to do that in the future? 
>> 
>> Thank you! 
>> -- 
>> 
>> Victor A. P. Magri - PhD student
>> Dept. of Civil, Environmental and Architectural Eng.
>> University of Padova
>> Via Marzolo, 9 - 35131 Padova, Italy

-- 

Victor A. P. Magri - PhD student
Dept. of Civil, Environmental and Architectural Eng.
University of Padova
Via Marzolo, 9 - 35131 Padova, Italy 

Links:
------
[1] http://www.fastmath-scidac.org/software/mlmuelu.html
[2]
https://cfwebprod.sandia.gov/cfdocs/CompResearch/docs/MueLuOverview_TUG2013.pdf
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