On Thu, Jun 21, 2012 at 2:08 PM, Blaise Bourdin <bourdin at lsu.edu> wrote:
> > On Jun 21, 2012, at 2:55 PM, Matthew Knepley wrote: > > 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> > > > 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. 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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120621/06071ae2/attachment-0001.html>
