[petsc-dev] -pc_mg_log not working for me

[Mark F. Adams]

Oops, thanks, I was expecting stages and they are events.  It is working,
Thanks again,
Mark

On Aug 29, 2011, at 5:53 PM, Jed Brown wrote:

> On Mon, Aug 29, 2011 at 16:47, Mark F. Adams <mark.adams at columbia.edu> wrote:
> -pc_mg_log is not working for me.  I call PCSetFromOptions_MG in PCSetUp_GAMG and it I use -options_left and see that it is being used, but I get no stages for each level with -log_summary, as I expect.
> 
> Can you confirm that
> 
> ./ex5 -da_grid_x 17 -da_grid_y 17 -pc_type mg -pc_mg_levels 4 -log_summary -pc_mg_log
> 
> shows what you expect? I see
> 
> MGSetup Level 0        5 1.0 1.7831e-03 1.0 3.30e+01 1.0 0.0e+00 0.0e+00 2.2e+01  3  0  0  0  1   3  0  0  0  1     0
> MGSmooth Level 0      24 1.0 8.7690e-04 1.0 2.23e+03 1.0 0.0e+00 0.0e+00 9.6e+01  2  0  0  0  5   2  0  0  0  5     3
> MGSetup Level 1        5 1.0 2.0506e-03 1.0 9.70e+01 1.0 0.0e+00 0.0e+00 2.8e+01  4  0  0  0  1   4  0  0  0  1     0
> MGSmooth Level 1      48 1.0 5.6577e-03 1.0 5.46e+04 1.0 0.0e+00 0.0e+00 3.6e+02 10  4  0  0 18  10  4  0  0 18    10
> MGResid Level 1       24 1.0 1.5497e-04 1.0 5.04e+03 1.0 0.0e+00 0.0e+00 2.4e+01  0  0  0  0  1   0  0  0  0  1    33
> MGInterp Level 1      48 1.0 2.6584e-04 1.0 4.70e+03 1.0 0.0e+00 0.0e+00 2.4e+01  0  0  0  0  1   0  0  0  0  1    18
> MGSetup Level 2        5 1.0 2.1467e-03 1.0 4.73e+02 1.0 0.0e+00 0.0e+00 2.8e+01  4  0  0  0  1   4  0  0  0  1     0
> MGSmooth Level 2      48 1.0 6.5029e-03 1.0 1.88e+05 1.0 0.0e+00 0.0e+00 3.6e+02 12 14  0  0 18  12 14  0  0 18    29
> MGResid Level 2       24 1.0 2.5296e-04 1.0 1.77e+04 1.0 0.0e+00 0.0e+00 2.4e+01  0  1  0  0  1   0  1  0  0  1    70
> MGInterp Level 2      48 1.0 3.7360e-04 1.0 1.62e+04 1.0 0.0e+00 0.0e+00 2.4e+01  1  1  0  0  1   1  1  0  0  1    43
> MGSetup Level 3        5 1.0 1.1511e-03 1.0 2.09e+03 1.0 0.0e+00 0.0e+00 1.3e+01  2  0  0  0  1   2  0  0  0  1     2
> MGSmooth Level 3      48 1.0 9.8042e-03 1.0 6.95e+05 1.0 0.0e+00 0.0e+00 3.6e+02 17 53  0  0 18  18 53  0  0 18    71
> MGResid Level 3       24 1.0 5.8794e-04 1.0 6.61e+04 1.0 0.0e+00 0.0e+00 2.4e+01  1  5  0  0  1   1  5  0  0  1   112
> MGInterp Level 3      48 1.0 7.8011e-04 1.0 6.00e+04 1.0 0.0e+00 0.0e+00 2.4e+01  1  5  0  0  1   1  5  0  0  1    77
> 
> 
> I would expect that your PCSetUp_GAMG eventually calls PCSetUp_MG, but if it doesn't you might need to add the logging lines there.

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