[petsc-users] Using GAMG to speed up solving of Poisson eqn

Jed Brown jedbrown at mcs.anl.gov
Thu Jul 25 09:52:40 CDT 2013

TAY wee-beng <zonexo at gmail.com> writes:

> Dear Jed,
> I'm sorry if I did it wrongly, and thank you for the enlightenment. I am 
> running the debugger under VS2008 and after adding the options:
> -poisson_ksp_monitor -poisson_pc_gamg_verbose
> or
> -ksp_monitor -pc_gamg_verbose
> I still did not get any additional information. Do you have any suggestion?

Yeah, break the debugger so you can get a stack trace and look around.
What do you normally do with a debugger?
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