[petsc-dev] PetscLogView vs. -log_summary

[Matthew Knepley]

On Thu, Jun 21, 2012 at 1:11 PM, Blaise Bourdin <bourdin at math.lsu.edu>wrote:

> Hi,
>
> PetscLogView does not display the same amount of information as running
> with -log_summary. In the "summary of stages" section, the former contains
> only information on the main stage while the later contains much more.
>
> Add the following block at the end of src/snes/examples/tutorials/ex1.c,
> for instance, to see what I mean
>  PetscViewer viewer;
>  ierr =
> PetscViewerASCIIOpen(PETSC_COMM_WORLD,"ex1-log.py",&viewer);CHKERRQ(ierr);
>  ierr = PetscLogViewPython(viewer);CHKERRQ(ierr);
>  ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
>  ierr =
> PetscViewerASCIIOpen(PETSC_COMM_WORLD,"ex1-log.txt",&viewer);CHKERRQ(ierr);
>  ierr = PetscLogView(viewer);CHKERRQ(ierr);
>  ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
>  ierr =
> PetscLogPrintDetailed(PETSC_COMM_WORLD,"ex1-logdetailed.txt");CHKERRQ(ierr);
>
> Is this a bug or a feature? Is there a way to get the same output as
> -log_summary in a file, without printing it to stdout?


-log_summary just calls PetscLogView(). I am not sure how there could be a
problem. I will run it. However, can you
just use

  -log_summary <filename>

     Matt


>
> 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
>
>
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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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