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> http://www.math.lsu.edu/~bourdin
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--
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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teresting than any results to which their
>> experiments lead.
>> -- Norbert Wiener
>>
>>
>> --
>> Department of Mathematics and Center for Computation & Technology
>> Louisiana State University, Baton Rouge, LA 70803, USA
>> Tel. +1 (225) 578 1612, Fax +1 (225) 578 4276
>> http://www.math.lsu.edu/~bourdin
>>
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>
--
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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nitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
>
> --
> Department of Mathematics and Center for Computation & Technology
> Louisiana State University, Baton Rouge, LA 70803, USA
> Tel. +1 (225) 578 1612, Fax +1 (225) 578 4276
> http://www.math.lsu.edu/~bourdin
>
>
>
>
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>
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Dear Petsc List,
In case you have an experience about precondtiioners performance tests:
Does the preconditioner Block Jacobi generally consume memory more than
HYPRE/BoomerAMG? I use GMRES as a solver and -log_summary to print out
the performance result. The results of my test case shows that
Hi
I now use KSPSetOptionsPrefix to avoid option conflict to several KSP objects.
I know KSPSetOptionsPrefix will call PCSetOptionsPrefix, PC options can be
safely added the same prefix.
However, what about the matrix prefix? i.e. I would like to use following code
ierr = PCSetType (pc, (char*)
.
> -- Norbert Wiener
--
Department of Mathematics and Center for Computation & Technology
Louisiana State University, Baton Rouge, LA 70803, USA
Tel. +1 (225) 578 1612, Fax +1 (225) 578 4276 http://www.math.lsu.edu/~bourdin
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infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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object created from an unstructured
exodusII mesh, DMMeshCreateExodus, And the FEM assembly done on GPU ?
Thanks,
David
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.
> -KSP1_mat_superlu_rowperm?
>
No, you still use '-mat_superlu_rowperm'.
You can add
ierr = MatSetOptionsPrefix(mat,"KSP1_");CHKERRQ(ierr);
to use '-KSP1_mat_superlu_rowperm'.
Hong
>
> Gong Ding
>
>
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