[petsc-users] -pc_mg_monitor

David Scott d.scott at ed.ac.uk
Thu Jun 11 09:53:38 CDT 2015


Thanks for the replies. It seems that the reference to -pc_mg_monitor in
http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PC/PCMG.html
should be removed.

David

On 11/06/2015 15:44, Hong wrote:
> David:
> PETSc library does not have the option '-pc_mg_monitor'.
> Hong
>
> On Thu, Jun 11, 2015 at 6:48 AM, David Scott <d.scott at ed.ac.uk 
> <mailto:d.scott at ed.ac.uk>> wrote:
>
>     Hello,
>
>     I am using MINRES with GAMG and have supplied various options
>
>     #PETSc Option Table entries:
>     -ksp_max_it 500
>     -ksp_monitor_true_residual
>     -log_summary
>     -mg_levels_ksp_max_it 2
>     -mg_levels_ksp_type chebyshev
>     -mg_levels_pc_type sor
>     -options_left
>     -pc_gamg_agg_nsmooths 1
>     -pc_gamg_threshold 0.03
>     -pc_gamg_type agg
>     -pc_gamg_verbose 7
>     -pc_mg_monitor
>     #End of PETSc Option Table entries
>     There is one unused database option. It is:
>     Option left: name:-pc_mg_monitor (no value)
>
>     Does this mean that I should have supplied an integer value with
>     -pc_mg_monitor or is it not applicable in this case? If I should
>     have supplied a value what is the allowed range?
>
>     Thanks in advance,
>
>     David
>
>
>     -- 
>     The University of Edinburgh is a charitable body, registered in
>     Scotland, with registration number SC005336.
>
>
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