out of memory error

[Aron Ahmadia]

112032952 bytes is about 100 MB.

Are you really running out of memory or is something else going on?

~A

On Wed, Mar 5, 2008 at 7:00 PM, Gideon Simpson <grs2103 at columbia.edu> wrote:
> I'm getting the following error with some code, running on a serial
>  machine with, i think, 3 gigs of memory.  Is there anyway to
>  circumvent this error by being clever, or do I really need to go to a
>  distributed memory machine?
>
>  -gideon
>
>  Out of memory trying to allocate 112032952 bytes
>  [0]PETSC ERROR:
>  ------------------------------------------------------------------------
>  [0]PETSC ERROR: Caught signal number 10 BUS: Bus Error, possibly
>  illegal memory access
>  [0]PETSC ERROR: Try option -start_in_debugger or -
>  on_error_attach_debugger
>  [0]PETSC ERROR: or see http://www.mcs.anl.gov/petsc/petsc-as/documentation/troubleshooting.html#Signal
>  [0]PETSC ERROR: or try http://valgrind.org on linux or man libgmalloc
>  on Apple to find memory corruption errors
>  [0]PETSC ERROR: likely location of problem given in stack below
>  [0]PETSC ERROR: ---------------------  Stack Frames
>  ------------------------------------
>  [0]PETSC ERROR: Note: The EXACT line numbers in the stack are not
>  available,
>  [0]PETSC ERROR:       INSTEAD the line number of the start of the
>  function
>  [0]PETSC ERROR:       is given.
>  [0]PETSC ERROR: [0] PCSetUp_HYPRE line 95 src/ksp/pc/impls/hypre/hypre.c
>  [0]PETSC ERROR: [0] PCSetUp line 764 src/ksp/pc/interface/precon.c
>  [0]PETSC ERROR: [0] KSPSetUp line 183 src/ksp/ksp/interface/itfunc.c
>  [0]PETSC ERROR: [0] KSPSolve line 305 src/ksp/ksp/interface/itfunc.c
>  [0]PETSC ERROR: --------------------- Error Message
>  ------------------------------------
>  [0]PETSC ERROR: Signal received!
>  [0]PETSC ERROR:
>  ------------------------------------------------------------------------
>  [0]PETSC ERROR: Petsc Release Version 2.3.3, Patch 8, Fri Nov 16
>  17:03:40 CST 2007 HG revision: 414581156e67e55c761739b0deb119f7590d0f4b
>  [0]PETSC ERROR: See docs/changes/index.html for recent updates.
>  [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
>  [0]PETSC ERROR: See docs/index.html for manual pages.
>  [0]PETSC ERROR:
>  ------------------------------------------------------------------------
>  [0]PETSC ERROR: ./bulk3d on a darwin8.1 named
>  valkyrie.appmath.columbia.edu by gideon Wed Mar  5 15:53:26 2008
>  [0]PETSC ERROR: Libraries linked from /Users/gideon/software/
>  petsc-2.3.3-p8/lib/darwin8.11.1-cxx-debug
>  [0]PETSC ERROR: Configure run at Thu Jan 10 11:00:45 2008
>  [0]PETSC ERROR: Configure options --with-clanguage=cxx --with-mpi-dir=/
>  Users/gideon/software --with-mpi-shared=1 --with-x11 --download-
>  hypre=1 --with-hypre=1 --download-umfpack=1 --with-umfpack=1 --with-
>  shared=1 --with-dynamic=1
>  [0]PETSC ERROR:
>  ------------------------------------------------------------------------
>  [0]PETSC ERROR: User provided function() line 0 in unknown directory
>  unknown file
>
>
>
>