[petsc-users] Elemental support is outdated?

[Denis Davydov]

Thanks, did not notice that. 
I can confirm that PETSc builds with Elemental 0.87.7 from master branch on macOS.

Regards,
Denis.

> On 5 Sep 2017, at 16:52, Satish Balay <balay at mcs.anl.gov> wrote:
> 
> You need 'master' branch from petsc git repo for this to work - not petsc-3.7.6
> 
> Satish
> 
> On Tue, 5 Sep 2017, Denis Davydov wrote:
> 
>> I already tried building PETSc with 0.87.7, the error is:
>> 
>> petsc-3.7.6/src/mat/impls/elemental/matelem.cxx:653:7: error: no matching function for call to 'SolveAfter'
>>      El::lu::SolveAfter(El::NORMAL,*a->emat,*a->pivot,xer);
>>      ^~~~~~~~~~~~~~~~~~
>> elemental-0.87.7-arf6zkytd5mmyckplcrjiin3zapbhvyt/include/El/lapack_like/factor.hpp:552:6: note: candidate function [with Field = double] not viable: no known conversion from 'El::DistMatrix<PetscInt, El::VC, El::STAR>' (aka 'DistMatrix<int, El::VC, El::STAR>') to 'const El::DistPermutation' for 3rd argument
>> 
>> 
>> strangely enough I have the same issues with 0.87.4:
>> 
>> 
>> /petsc-3.7.6/src/mat/impls/elemental/matelem.cxx:653:7: error: no matching function for call to 'SolveAfter'
>>      El::lu::SolveAfter(El::NORMAL,*a->emat,*a->pivot,xer);
>>      ^~~~~~~~~~~~~~~~~~
>> /elemental-0.87.4-xas7fy5wlvgtr2a4i7kqm52metc73tqk/include/El/lapack_like/factor.hpp:549:6: note: candidate function [with F = double] not viable: no known conversion from 'El::DistMatrix<PetscInt, El::VC, El::STAR>' (aka 'DistMatrix<int, El::VC, El::STAR>') to 'const El::DistPermutation' for 3rd argument
>> void SolveAfter
>>     ^
>> /elemental-0.87.4-xas7fy5wlvgtr2a4i7kqm52metc73tqk/include/El/lapack_like/factor.hpp:543:6: note: candidate template ignored: could not match 'Matrix' against 'DistMatrix'
>> void SolveAfter
>>     ^
>> /elemental-0.87.4-xas7fy5wlvgtr2a4i7kqm52metc73tqk/include/El/lapack_like/factor.hpp:530:6: note: candidate function template not viable: requires 3 arguments, but 4 were provided
>> void SolveAfter
>>     ^
>> /elemental-0.87.4-xas7fy5wlvgtr2a4i7kqm52metc73tqk/include/El/lapack_like/factor.hpp:535:6: note: candidate function template not viable: requires 3 arguments, but 4 were provided
>> void SolveAfter
>>     ^
>> /elemental-0.87.4-xas7fy5wlvgtr2a4i7kqm52metc73tqk/include/El/lapack_like/factor.hpp:558:6: note: candidate function template not viable: requires 5 arguments, but 4 were provided
>> void SolveAfter
>>     ^
>> /elemental-0.87.4-xas7fy5wlvgtr2a4i7kqm52metc73tqk/include/El/lapack_like/factor.hpp:565:6: note: candidate function template not viable: requires 5 arguments, but 4 were provided
>> void SolveAfter
>>     ^
>> 
>> Regards,
>> Denis
>> 
>>> On 5 Sep 2017, at 16:43, Satish Balay <balay at mcs.anl.gov> wrote:
>>> 
>>> You could try (with petsc master):
>>> 
>>> --download-elemental-commit=v0.87.7
>>> 
>>> Latest elemental master appears to have major changes [including C++14
>>> reqirement] - so that might require more work..
>>> 
>>> Satish
>>> 
>>> On Tue, 5 Sep 2017, Denis Davydov wrote:
>>> 
>>>> Hi Karl,
>>>> 
>>>> Thanks for the prompt reply,
>>>> I did not notice that I was not looking at the master branch.
>>>> I will try with 0.87.4...
>>>> 
>>>> It would still be good if PETSc supports the most recent Elemental.
>>>> 
>>>> Regards,
>>>> Denis.
>>>> 
>>>>> On 5 Sep 2017, at 15:10, Karl Rupp <rupp at iue.tuwien.ac.at> wrote:
>>>>> 
>>>>> Hi Denis,
>>>>> 
>>>>>> I just tried compiling PETSc with Elemental 0.87.7 and got compiler errors (see below) which suggests that the interface in PETSc is outdated.
>>>>>> Looking at the “elemental.py” https://bitbucket.org/petsc/petsc/src/90564b43f6b05485163c147b464b5d6d28cde3ef/config/BuildSystem/config/packages/elemental.py?at=hongzh%2Fswe&fileviewer=file-view-default <https://bitbucket.org/petsc/petsc/src/90564b43f6b05485163c147b464b5d6d28cde3ef/config/BuildSystem/config/packages/elemental.py?at=hongzh/swe&fileviewer=file-view-default> I see that the suggested Elemental's commit is from Nov 2015 https://github.com/elemental/Elemental/commit/e81005dc3af9b331d43e16e4d221e889378e2c49 whereas 0.87.7 is from Feb. 2017; There are 8 releases in between.
>>>>> 
>>>>> the master branch of PETSc uses version 0.87.4 from November 2016:
>>>>> https://bitbucket.org/petsc/petsc/src/743f4829774bac6ed514af01aa0f24f18a42afc0/config/BuildSystem/config/packages/elemental.py?at=master&fileviewer=file-view-default
>>>>> 
>>>>> Best regards,
>>>>> Karli
>>>> 
>>>> 
>> 
>>