hi Gideon, can I ask you how big is the nonzero allocation of your sparse matrix?
pan --- 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 > > > > ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs
