[petsc-dev] PetscLogView vs. -log_summary

Blaise Bourdin bourdin at math.lsu.edu
Thu Jun 21 14:11:19 CDT 2012


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?

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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