petsc-3.13.6 2020-09-29

PetscLogNestedBegin

Turns on nested logging of objects and events. This logs flop rates and object creation and should not slow programs down too much.

#include "petsclog.h" 
PetscErrorCode PetscLogNestedBegin(void)

Logically Collective over PETSC_COMM_WORLD

-log_view :filename.xml:ascii_xml -Prints an XML summary of flop and timing information to the file

      PetscInitialize(...);
      PetscLogNestedBegin();
       ... code ...
      PetscLogView(viewer);
      PetscFinalize();

advanced