On Jun 21, 2012, at 10:46 PM, Matthew Knepley wrote:

> On Thu, Jun 21, 2012 at 4:16 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
> 
> 
> > That works, yes. Is the issue that stages / events need to be activated a 
> > priori, which is not possible when PetscLogView is only called at the end 
> > of the program?
> >
> > Crap.
> 
>    Matt,  why is this "Crap"   its completely reasonable that if you want to 
> have logging from program control that you have to turn it on programatically?
> 
> Crap, because I should have remembered earlier.

   FAQ or some other mechanism to "remember this". We can't be relying on our 
memories :-)

   Actually, why not have PetscLogView() print an error message if 
PetscLogBegin() was not previously called? Instead of just not have data to 
display? Then we won't need to remember anything?


   Barry

> 
>    Matt
>  
> > If you do not provide -log_summary, you need PetscLogBegin() at the 
> > beginning.
> >
> >    Matt
> >
> > The caveat is that I am assuming that when using log_summary, the log is 
> > written as part of PetscFinalize, so that if a job is killed by the 
> > sceduler or the user, there is no way to get an idea of the performances. I 
> > like to print the log every so often.
> >
> > Blaise
> >
> > --
> > 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
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > --
> > 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
> 
> 
> 
> 
> -- 
> 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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