using hypre through petsc

Barry Smith bsmith at mcs.anl.gov
Fri Sep 29 16:11:32 CDT 2006


  Either you are not calling KSPSetFromOptions() in your
code (or SNESSetFromOptions() OR PETSc was not configured
to use hypre. To configure PETSc to use hypre you
must use the additional config/configure.py option
--download-hypre

  Good luck,

    Barry


On Fri, 29 Sep 2006, Matt Funk wrote:

> This might be a pretty stupid question, especially since i did this a while 
> back and it worked. 
> 
> However, how do i specify thsis? Do i run my executable do and then simply 
> append -pc_type hypre -pc_hypre_type boomeramg -help and it will print out 
> the options?
> 
> 
> Because when i do that i get:
> Options for all PETSc programs:
>  -on_error_abort: cause an abort when an error is detected. Useful 
>        only when run in the debugger
>  -on_error_attach_debugger [gdb,dbx,xxgdb,ups,noxterm]
>        start the debugger in new xterm
>        unless noxterm is given
>  -start_in_debugger [gdb,dbx,xxgdb,ups,noxterm]
>        start all processes in the debugger
>  -on_error_emacs <machinename>
>     emacs jumps to error file
>  -debugger_nodes [n1,n2,..] Nodes to start in debugger
>  -debugger_pause [m] : delay (in seconds) to attach debugger
>  -stop_for_debugger : prints message on how to attach debugger manually
>                       waits the delay for you to attach
>  -display display: Location where graphics and debuggers are displayed
>  -no_signal_handler: do not trap error signals
>  -mpi_return_on_error: MPI returns error code, rather than abort on internal 
> error
>  -fp_trap: stop on floating point exceptions
>            note on IBM RS6000 this slows run greatly
>  -malloc_dump <optional filename>: dump list of unfreed memory at conclusion
>  -malloc: use our error checking malloc
>  -malloc no: don't use error checking malloc
>  -mallocinfo: prints total memory usage
>  -malloc_debug: enables extended checking for memory corruption
>  -options_table: dump list of options inputted
>  -options_left: dump list of unused options
>  -options_left no: don't dump list of unused options
>  -tmp tmpdir: alternative /tmp directory
>  -shared_tmp: tmp directory is shared by all processors
>  -not_shared_tmp: each processor has separate tmp directory
>  -memory_info: print memory usage at end of run
>  -get_total_flops: total flops over all processors
>  -log[_all _summary]: logging objects and events
>  -log_trace [filename]: prints trace of all PETSc calls
>  -info <optional filename>: print informative messages about the calculations
>  -v: prints PETSc version number and release date
>  -options_file <file>: reads options from file
>  -petsc_sleep n: sleeps n seconds before running program
> 
> 
> but nothing about hypre .... ?
> 
> 
> mat
> 
> 
> 
> On Tuesday 19 September 2006 17:05, Yaron Kretchmer wrote:
> > Hi Matt
> > You can start experimenting by using
> > -pc_type hypre -pc_hypre_type boomeramg -help
> > which will give you all the boomeramg options.
> >
> > When I use it I get intermittent segfaults, which I couldn't resolve with
> > the Hypre guys, so good luck.
> >
> > Yaron
> >
> > On 9/19/06, Matt Funk <mafunk at nmsu.edu> wrote:
> > > Hi,
> > >
> > > i am trying to use boomeramg from hypre in petsc. What i am doing right
> > > now is
> > > simply do:
> > >
> > > m_ierr = PCSetType(m_pc,PCHYPRE);//CHKERRQ(ierr)
> > > m_ierr = PCHYPRESetType(m_pc,"boomeramg");
> > >
> > > then i do my kspsetup etc...
> > >
> > > i was wondering what other things i need to configure/set to properly use
> > > the
> > > hypre preconditioner with petsc. This is new to me, so i am not really
> > > experienced with this (that is using external packages through petsc).
> > > Also,
> > > these are the only hypre calls i found in the manual pages.
> > >
> > > Maybe somebody with more experience can share some of their wisdom ...,
> > > or point to a place where i can read up on it?
> > >
> > >
> > > thanks
> > > mat
> 
> 




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