[petsc-users] -log_summary

Satish Balay balay at mcs.anl.gov
Tue Mar 16 10:41:57 CDT 2010


On Tue, 16 Mar 2010, burckhardt at itis.ethz.ch wrote:

> Hi Barry,
> 
> >  Hmm, you shouldn't need to use a PetscLogBegin() after PetscInitialize().
> > When -log_summary is used PetscLogBegin() is automatically called by
> > PetscInitialize(). I cannot explain the behavior you are seeing.
> 
> I the fact that the Petsc options are read from a file after PetscInitialize()
> a possible explanation?

Yes thats the reason.

-log_summary is processed by PetscInitialize() - so if options are
read-in after PetscInitialize() - you'll need to explicitly call
PetscLogBegin().

Satish


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