On Mon, Aug 3, 2015 at 10:34 AM, [email protected] < [email protected]> wrote:
> Sherry and Hong, > > > > If I use: > > -mat_superlu_dist_parsymbfact, > > I get: > > Invalid ISPEC at line 484 in file get_perm_c.c > > regardless of what I give to –mat_superlu_dist_matinput > > > > I have not used …parsymbfact in sequential runs or set matinput=GLOBAL for > parallel runs. > > > > If I use 2 processors, the program runs if I use > *–mat_superlu_dist_parsymbfact=1*: > Do not use "=1" for any PETSc option. This is improper syntax. It will ignore that option. You use "-option 1" since all option arguments are separated by a space, not an =. Matt > mpiexec -n 2 ./solve -ksp_type preonly -pc_type lu > -pc_factor_mat_solver_package superlu_dist -mat_superlu_dist_matinput > GLOBAL -mat_superlu_dist_parsymbfact=1 > > > > and > > mpiexec -n 2 ./solve -ksp_type preonly -pc_type lu > -pc_factor_mat_solver_package superlu_dist -mat_superlu_dist_matinput > DISTRIBUTED -mat_superlu_dist_parsymbfact=1 > > > > I guess this corresponds to not setting parsymbfact at all. Both programs > consume the same amount of RAM and seem to run well. > > > > If I use (what seems to be correct): > > mpiexec -n 2 ./solve -ksp_type preonly -pc_type lu > -pc_factor_mat_solver_package superlu_dist -mat_superlu_dist_matinput > DISTRIBUTED -mat_superlu_dist_parsymbfact > > > > the result is: Invalid ISPEC at line 484 in file get_perm_c.c > > > > > > Mahir > > > > > > > > *From:* Hong [mailto:[email protected]] > *Sent:* den 3 augusti 2015 16:46 > *To:* Xiaoye S. Li > *Cc:* Ülker-Kaustell, Mahir; Hong; PETSc users list > *Subject:* Re: [petsc-users] SuperLU MPI-problem > > > > Mahir, > > > > Sherry found the culprit. I can reproduce it: > > petsc/src/ksp/ksp/examples/tutorials > > mpiexec -n 2 ./ex2 -pc_type lu -pc_factor_mat_solver_package superlu_dist > -mat_superlu_dist_matinput GLOBAL -mat_superlu_dist_parsymbfact > > > > Invalid ISPEC at line 484 in file get_perm_c.c > > Invalid ISPEC at line 484 in file get_perm_c.c > > ------------------------------------------------------- > > Primary job terminated normally, but 1 process returned > > a non-zero exit code.. Per user-direction, the job has been aborted. > > ------------------------------------------------------- > > ... > > > > PETSc-superlu_dist interface sets matinput=DISTRIBUTED as default when > using more than one processes. > > Did you either use '-mat_superlu_dist_parsymbfact' for sequential run or > set matinput=GLOBAL for parallel run? > > > > I'll add an error flag for these use cases. > > > > Hong > > > > On Mon, Aug 3, 2015 at 9:17 AM, Xiaoye S. Li <[email protected]> wrote: > > I think I know the problem. Since zdistribute.c is called, I guess you > are using the global (replicated) matrix input interface, > pzgssvx_ABglobal(). This interface does not allow you to use parallel > symbolic factorization (since matrix is centralized). > > > > That's why you get the following error: > > Invalid ISPEC at line 484 in file get_perm_c.c > > > > You need to use distributed matrix input interface pzgssvx() (without > ABglobal) > > Sherry > > > > > > On Mon, Aug 3, 2015 at 5:02 AM, [email protected] < > [email protected]> wrote: > > Hong and Sherry, > > > > I have rebuilt PETSc with SuperLU 4.1. Unfortunately, the problem remains: > > > > If I use -mat_superlu_dist_parsymbfact, the program crashes with: Invalid > ISPEC at line 484 in file get_perm_c.c > > If I use -mat_superlu_dist_parsymbfact=1 or leave this flag out, the > program crashes with: Calloc fails for SPA dense[]. at line 438 in file > zdistribute.c > > > > Mahir > > > > *From:* Hong [mailto:[email protected]] > *Sent:* den 30 juli 2015 02:58 > *To:* Ülker-Kaustell, Mahir > *Cc:* Xiaoye Li; PETSc users list > > > *Subject:* Fwd: [petsc-users] SuperLU MPI-problem > > > > Mahir, > > > > Sherry fixed several bugs in superlu_dist-v4.1. > > The current petsc-release interfaces with superlu_dist-v4.0. > > We do not know whether the reported issue (attached below) has been > resolved or not. If not, can you test it with the latest superlu_dist-v4.1? > > > > Here is how to do it: > > 1. download superlu_dist v4.1 > > 2. remove existing PETSC_ARCH directory, then configure petsc with > > '--download-superlu_dist=superlu_dist_4.1.tar.gz' > > 3. build petsc > > > > Let us know if the issue remains. > > > > Hong > > > > > > ---------- Forwarded message ---------- > From: *Xiaoye S. Li* <[email protected]> > Date: Wed, Jul 29, 2015 at 2:24 PM > Subject: Fwd: [petsc-users] SuperLU MPI-problem > To: Hong Zhang <[email protected]> > > Hong, > > I am cleaning the mailbox, and saw this unresolved issue. I am not sure > whether the new fix to parallel symbolic factorization solves the problem. > What bothers be is that he is getting the following error: > > Invalid ISPEC at line 484 in file get_perm_c.c > > This has nothing to do with my bug fix. > > Shall we ask him to try the new version, or try to get him matrix? > > Sherry > > > > > ---------- Forwarded message ---------- > From: *[email protected] <[email protected]>* < > [email protected]> > Date: Wed, Jul 22, 2015 at 1:32 PM > Subject: RE: [petsc-users] SuperLU MPI-problem > To: Hong <[email protected]>, "Xiaoye S. Li" <[email protected]> > Cc: petsc-users <[email protected]> > > The 1000 was just a conservative guess. The number of non-zeros per row is > in the tens in general but certain constraints lead to non-diagonal streaks > in the sparsity-pattern. > > Is it the reordering of the matrix that is killing me here? How can I set > options.ColPerm? > > > > If i use -mat_superlu_dist_parsymbfact the program crashes with > > > > Invalid ISPEC at line 484 in file get_perm_c.c > > ------------------------------------------------------- > > Primary job terminated normally, but 1 process returned > > a non-zero exit code.. Per user-direction, the job has been aborted. > > ------------------------------------------------------- > > [0]PETSC ERROR: > ------------------------------------------------------------------------ > > [0]PETSC ERROR: Caught signal number 15 Terminate: Some process (or the > batch system) has told this process to end > > [0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger > > [0]PETSC ERROR: or see > http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind > > [0]PETSC ERROR: or try http://valgrind.org on GNU/linux and Apple Mac OS > X to find memory corruption errors > > [0]PETSC ERROR: configure using --with-debugging=yes, recompile, link, and > run > > [0]PETSC ERROR: to get more information on the crash. > > [0]PETSC ERROR: --------------------- Error Message > -------------------------------------------------------------- > > [0]PETSC ERROR: Signal received > > [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html > for trouble shooting. > > [0]PETSC ERROR: Petsc Release Version 3.6.0, Jun, 09, 2015 > > [0]PETSC ERROR: ./solve on a cygwin-complex-nodebug named CZC5202SM2 by > muk Wed Jul 22 21:59:23 2015 > > [0]PETSC ERROR: Configure options PETSC_DIR=/packages/petsc-3.6.0 > PETSC_ARCH=cygwin-complex-nodebug --with-cc=gcc --with-cxx=g++ > --with-fc=gfortran --with-debugging=0 --with-fortran-kernels=1 > --with-scalar-type=complex --download-fblaspack --download-mpich > --download-scalapack --download-mumps --download-metis --download-parmetis > --download-superlu --download-superlu_dist --download-fftw > > [0]PETSC ERROR: #1 User provided function() line 0 in unknown file > > application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0 > > [unset]: aborting job: > > application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0 > > [0]PETSC ERROR: > ------------------------------------------------------------------------ > > > > If i use -mat_superlu_dist_parsymbfact=1 the program crashes (somewhat > later) with > > > > Malloc fails for Lnzval_bc_ptr[*][] at line 626 in file zdistribute.c > > col block 3006 ------------------------------------------------------- > > Primary job terminated normally, but 1 process returned > > a non-zero exit code.. Per user-direction, the job has been aborted. > > ------------------------------------------------------- > > col block 1924 [0]PETSC ERROR: > ------------------------------------------------------------------------ > > [0]PETSC ERROR: Caught signal number 15 Terminate: Some process (or the > batch system) has told this process to end > > [0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger > > [0]PETSC ERROR: or see > http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind > > [0]PETSC ERROR: or try http://valgrind.org on GNU/linux and Apple Mac OS > X to find memory corruption errors > > [0]PETSC ERROR: configure using --with-debugging=yes, recompile, link, and > run > > [0]PETSC ERROR: to get more information on the crash. > > [0]PETSC ERROR: --------------------- Error Message > -------------------------------------------------------------- > > [0]PETSC ERROR: Signal received > > [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html > for trouble shooting. > > [0]PETSC ERROR: Petsc Release Version 3.6.0, Jun, 09, 2015 > > [0]PETSC ERROR: ./solve on a cygwin-complex-nodebug named CZC5202SM2 by > muk Wed Jul 22 21:59:58 2015 > > [0]PETSC ERROR: Configure options PETSC_DIR=/packages/petsc-3.6.0 > PETSC_ARCH=cygwin-complex-nodebug --with-cc=gcc --with-cxx=g++ > --with-fc=gfortran --with-debugging=0 --with-fortran-kernels=1 > --with-scalar-type=complex --download-fblaspack --download-mpich > --download-scalapack --download-mumps --download-metis --download-parmetis > --download-superlu --download-superlu_dist --download-fftw > > [0]PETSC ERROR: #1 User provided function() line 0 in unknown file > > application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0 > > [unset]: aborting job: > > application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0 > > [0]PETSC ERROR: > ------------------------------------------------------------------------ > > > > > > /Mahir > > > > > > *From:* Hong [mailto:[email protected]] > > *Sent:* den 22 juli 2015 21:34 > *To:* Xiaoye S. Li > *Cc:* Ülker-Kaustell, Mahir; petsc-users > > > *Subject:* Re: [petsc-users] SuperLU MPI-problem > > > > In Petsc/superlu_dist interface, we set default > > > > options.ParSymbFact = NO; > > > > When user raises the flag "-mat_superlu_dist_parsymbfact", > > we set > > > > options.ParSymbFact = YES; > > options.ColPerm = PARMETIS; /* in v2.2, PARMETIS is forced for > ParSymbFact regardless of user ordering setting */ > > > > We do not change anything else. > > > > Hong > > > > On Wed, Jul 22, 2015 at 2:19 PM, Xiaoye S. Li <[email protected]> wrote: > > I am trying to understand your problem. You said you are solving Naviers > equation (elastodynamics) in the frequency domain, using finite element > discretization. I wonder why you have about 1000 nonzeros per row. > Usually in many PDE discretized matrices, the number of nonzeros per row is > in the tens (even for 3D problems), not in the thousands. So, your matrix > is quite a bit denser than many sparse matrices we deal with. > > > > The number of nonzeros in the L and U factors is much more than that in > original matrix A -- typically we see 10-20x fill ratio for 2D, or can be > as bad as 50-100x fill ratio for 3D. But since your matrix starts much > denser (i.e., the underlying graph has many connections), it may not lend > to any good ordering strategy to preserve sparsity of L and U; that is, the > L and U fill ratio may be large. > > > > I don't understand why you get the following error when you use > > ‘-mat_superlu_dist_parsymbfact’. > > > > Invalid ISPEC at line 484 in file get_perm_c.c > > > > Perhaps Hong Zhang knows; she built the SuperLU_DIST interface for PETSc. > > > > Hong -- in order to use parallel symbolic factorization, is it sufficient > to specify only > > ‘-mat_superlu_dist_parsymbfact’ > > ? (the default is to use sequential symbolic factorization.) > > > > > > Sherry > > > > On Wed, Jul 22, 2015 at 9:11 AM, [email protected] < > [email protected]> wrote: > > Thank you for your reply. > > As you have probably figured out already, I am not a computational > scientist. I am a researcher in civil engineering (railways for high-speed > traffic), trying to produce some, from my perspective, fairly large > parametric studies based on finite element discretizations. > > I am working in a Windows-environment and have installed PETSc through > Cygwin. > Apparently, there is no support for Valgrind in this OS. > > If I have understood you correct, the memory issues are related to superLU > and given my background, there is not much I can do. Is this correct? > > > Best regards, > Mahir > > ______________________________________________ > Mahir Ülker-Kaustell, Kompetenssamordnare, Brokonstruktör, Tekn. Dr, > Tyréns AB > 010 452 30 82, [email protected] > ______________________________________________ > > > -----Original Message----- > From: Barry Smith [mailto:[email protected]] > Sent: den 22 juli 2015 02:57 > To: Ülker-Kaustell, Mahir > Cc: Xiaoye S. Li; petsc-users > Subject: Re: [petsc-users] SuperLU MPI-problem > > > Run the program under valgrind > http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind . When I use > the option -mat_superlu_dist_parsymbfact I get many scary memory problems > some involving for example ddist_psymbtonum (pdsymbfact_distdata.c:1332) > > Note that I consider it unacceptable for running programs to EVER use > uninitialized values; until these are all cleaned up I won't trust any runs > like this. > > Barry > > > > > ==42050== Conditional jump or move depends on uninitialised value(s) > ==42050== at 0x10274C436: MPI_Allgatherv (allgatherv.c:1053) > ==42050== by 0x101557F60: get_perm_c_parmetis > (get_perm_c_parmetis.c:285) > ==42050== by 0x101501192: pdgssvx (pdgssvx.c:934) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== Uninitialised value was created by a stack allocation > ==42050== at 0x10155751B: get_perm_c_parmetis (get_perm_c_parmetis.c:96) > ==42050== > ==42050== Conditional jump or move depends on uninitialised value(s) > ==42050== at 0x102851C61: MPIR_Allgatherv_intra (allgatherv.c:651) > ==42050== by 0x102853EC7: MPIR_Allgatherv (allgatherv.c:903) > ==42050== by 0x102853F84: MPIR_Allgatherv_impl (allgatherv.c:944) > ==42050== by 0x10274CA41: MPI_Allgatherv (allgatherv.c:1107) > ==42050== by 0x101557F60: get_perm_c_parmetis > (get_perm_c_parmetis.c:285) > ==42050== by 0x101501192: pdgssvx (pdgssvx.c:934) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== Uninitialised value was created by a stack allocation > ==42050== at 0x10155751B: get_perm_c_parmetis (get_perm_c_parmetis.c:96) > ==42050== > ==42049== Syscall param writev(vector[...]) points to uninitialised byte(s) > ==42049== at 0x102DA1C3A: writev (in > /usr/lib/system/libsystem_kernel.dylib) > ==42049== by 0x10296A0DC: MPL_large_writev (mplsock.c:32) > ==42049== by 0x10295F6AD: MPIDU_Sock_writev (sock_immed.i:610) > ==42049== by 0x102943FCA: MPIDI_CH3_iSendv (ch3_isendv.c:84) > ==42049== by 0x102934361: MPIDI_CH3_EagerContigIsend (ch3u_eager.c:556) > ==42049== by 0x102939531: MPID_Isend (mpid_isend.c:138) > ==42049== by 0x10277656E: MPI_Isend (isend.c:125) > ==42049== by 0x102088B66: libparmetis__gkMPI_Isend (gkmpi.c:63) > ==42049== by 0x10208140F: libparmetis__CommInterfaceData (comm.c:298) > ==42049== by 0x1020A8758: libparmetis__CompactGraph (ometis.c:553) > ==42049== by 0x1020A77BB: libparmetis__MultilevelOrder (ometis.c:225) > ==42049== by 0x1020A7493: ParMETIS_V32_NodeND (ometis.c:151) > ==42049== by 0x1020A6AFB: ParMETIS_V3_NodeND (ometis.c:34) > ==42049== by 0x101557CFC: get_perm_c_parmetis > (get_perm_c_parmetis.c:241) > ==42049== by 0x101501192: pdgssvx (pdgssvx.c:934) > ==42049== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42049== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42049== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42049== by 0x100FF9036: PCSetUp (precon.c:982) > ==42048== Syscall param writev(vector[...]) points to uninitialised byte(s) > ==42049== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42049== Address 0x105edff70 is 1,424 bytes inside a block of size > 752,720 alloc'd > ==42049== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42049== by 0x1020EB90C: gk_malloc (memory.c:147) > ==42049== by 0x1020EAA28: gk_mcoreCreate (mcore.c:28) > ==42048== at 0x102DA1C3A: writev (in > /usr/lib/system/libsystem_kernel.dylib) > ==42048== by 0x10296A0DC: MPL_large_writev (mplsock.c:32) > ==42049== by 0x1020BA5CF: libparmetis__AllocateWSpace (wspace.c:23) > ==42049== by 0x1020A6E84: ParMETIS_V32_NodeND (ometis.c:98) > ==42048== by 0x10295F6AD: MPIDU_Sock_writev (sock_immed.i:610) > ==42048== by 0x102943FCA: MPIDI_CH3_iSendv (ch3_isendv.c:84) > ==42048== by 0x102934361: MPIDI_CH3_EagerContigIsend (ch3u_eager.c:556) > ==42049== by 0x1020A6AFB: ParMETIS_V3_NodeND (ometis.c:34) > ==42049== by 0x101557CFC: get_perm_c_parmetis > (get_perm_c_parmetis.c:241) > ==42049== by 0x101501192: pdgssvx (pdgssvx.c:934) > ==42048== by 0x102939531: MPID_Isend (mpid_isend.c:138) > ==42048== by 0x10277656E: MPI_Isend (isend.c:125) > ==42049== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42049== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42049== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42049== by 0x100FF9036: PCSetUp (precon.c:982) > ==42049== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42048== by 0x102088B66: libparmetis__gkMPI_Isend (gkmpi.c:63) > ==42048== by 0x10208140F: libparmetis__CommInterfaceData (comm.c:298) > ==42049== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42049== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42048== by 0x1020A8758: libparmetis__CompactGraph (ometis.c:553) > ==42048== by 0x1020A77BB: libparmetis__MultilevelOrder (ometis.c:225) > ==42048== by 0x1020A7493: ParMETIS_V32_NodeND (ometis.c:151) > ==42049== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42049== by 0x100001B3C: main (in ./ex19) > ==42049== Uninitialised value was created by a heap allocation > ==42049== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42049== by 0x1020EB90C: gk_malloc (memory.c:147) > ==42048== by 0x1020A6AFB: ParMETIS_V3_NodeND (ometis.c:34) > ==42048== by 0x101557CFC: get_perm_c_parmetis > (get_perm_c_parmetis.c:241) > ==42048== by 0x101501192: pdgssvx (pdgssvx.c:934) > ==42048== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42049== by 0x10211C50B: libmetis__imalloc (gklib.c:24) > ==42049== by 0x1020A8566: libparmetis__CompactGraph (ometis.c:519) > ==42049== by 0x1020A77BB: libparmetis__MultilevelOrder (ometis.c:225) > ==42048== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42049== by 0x1020A7493: ParMETIS_V32_NodeND (ometis.c:151) > ==42049== by 0x1020A6AFB: ParMETIS_V3_NodeND (ometis.c:34) > ==42049== by 0x101557CFC: get_perm_c_parmetis > (get_perm_c_parmetis.c:241) > ==42049== by 0x101501192: pdgssvx (pdgssvx.c:934) > ==42049== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42049== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42048== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42049== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42049== by 0x100FF9036: PCSetUp (precon.c:982) > ==42049== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42049== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42049== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42048== by 0x100FF9036: PCSetUp (precon.c:982) > ==42048== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42048== Address 0x10597a860 is 1,408 bytes inside a block of size > 752,720 alloc'd > ==42049== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42049== by 0x100001B3C: main (in ./ex19) > ==42049== > ==42048== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42048== by 0x1020EB90C: gk_malloc (memory.c:147) > ==42048== by 0x1020EAA28: gk_mcoreCreate (mcore.c:28) > ==42048== by 0x1020BA5CF: libparmetis__AllocateWSpace (wspace.c:23) > ==42048== by 0x1020A6E84: ParMETIS_V32_NodeND (ometis.c:98) > ==42048== by 0x1020A6AFB: ParMETIS_V3_NodeND (ometis.c:34) > ==42048== by 0x101557CFC: get_perm_c_parmetis > (get_perm_c_parmetis.c:241) > ==42048== by 0x101501192: pdgssvx (pdgssvx.c:934) > ==42048== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42048== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42048== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42048== by 0x100FF9036: PCSetUp (precon.c:982) > ==42048== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42048== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42048== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42048== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42048== by 0x100001B3C: main (in ./ex19) > ==42048== Uninitialised value was created by a heap allocation > ==42048== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42048== by 0x1020EB90C: gk_malloc (memory.c:147) > ==42048== by 0x10211C50B: libmetis__imalloc (gklib.c:24) > ==42048== by 0x1020A8566: libparmetis__CompactGraph (ometis.c:519) > ==42048== by 0x1020A77BB: libparmetis__MultilevelOrder (ometis.c:225) > ==42048== by 0x1020A7493: ParMETIS_V32_NodeND (ometis.c:151) > ==42048== by 0x1020A6AFB: ParMETIS_V3_NodeND (ometis.c:34) > ==42048== by 0x101557CFC: get_perm_c_parmetis > (get_perm_c_parmetis.c:241) > ==42048== by 0x101501192: pdgssvx (pdgssvx.c:934) > ==42048== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42048== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42048== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42048== by 0x100FF9036: PCSetUp (precon.c:982) > ==42048== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42048== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42048== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42048== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42048== by 0x100001B3C: main (in ./ex19) > ==42048== > ==42048== Syscall param write(buf) points to uninitialised byte(s) > ==42048== at 0x102DA1C22: write (in > /usr/lib/system/libsystem_kernel.dylib) > ==42048== by 0x10295F5BD: MPIDU_Sock_write (sock_immed.i:525) > ==42048== by 0x102944839: MPIDI_CH3_iStartMsg (ch3_istartmsg.c:86) > ==42048== by 0x102933B80: MPIDI_CH3_EagerContigShortSend > (ch3u_eager.c:257) > ==42048== by 0x10293ADBA: MPID_Send (mpid_send.c:130) > ==42048== by 0x10277A1FA: MPI_Send (send.c:127) > ==42048== by 0x10155802F: get_perm_c_parmetis > (get_perm_c_parmetis.c:299) > ==42048== by 0x101501192: pdgssvx (pdgssvx.c:934) > ==42048== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42048== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42048== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42048== by 0x100FF9036: PCSetUp (precon.c:982) > ==42048== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42048== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42048== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42048== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42048== by 0x100001B3C: main (in ./ex19) > ==42048== Address 0x104810704 is on thread 1's stack > ==42048== in frame #3, created by MPIDI_CH3_EagerContigShortSend > (ch3u_eager.c:218) > ==42048== Uninitialised value was created by a heap allocation > ==42048== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42048== by 0x10153B704: superlu_malloc_dist (memory.c:108) > ==42048== by 0x101557AB9: get_perm_c_parmetis > (get_perm_c_parmetis.c:185) > ==42048== by 0x101501192: pdgssvx (pdgssvx.c:934) > ==42048== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42048== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42048== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42048== by 0x100FF9036: PCSetUp (precon.c:982) > ==42048== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42048== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42048== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42048== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42048== by 0x100001B3C: main (in ./ex19) > ==42048== > ==42050== Conditional jump or move depends on uninitialised value(s) > ==42050== at 0x102744CB8: MPI_Alltoallv (alltoallv.c:480) > ==42050== by 0x101510B3E: dist_symbLU (pdsymbfact_distdata.c:539) > ==42050== by 0x10150A5C6: ddist_psymbtonum (pdsymbfact_distdata.c:1275) > ==42050== by 0x1015018C2: pdgssvx (pdgssvx.c:1057) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== Uninitialised value was created by a stack allocation > ==42050== at 0x10150E4C4: dist_symbLU (pdsymbfact_distdata.c:96) > ==42050== > ==42050== Conditional jump or move depends on uninitialised value(s) > ==42050== at 0x102744E43: MPI_Alltoallv (alltoallv.c:490) > ==42050== by 0x101510B3E: dist_symbLU (pdsymbfact_distdata.c:539) > ==42050== by 0x10150A5C6: ddist_psymbtonum (pdsymbfact_distdata.c:1275) > ==42050== by 0x1015018C2: pdgssvx (pdgssvx.c:1057) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== Uninitialised value was created by a stack allocation > ==42050== at 0x10150E4C4: dist_symbLU (pdsymbfact_distdata.c:96) > ==42050== > ==42050== Conditional jump or move depends on uninitialised value(s) > ==42050== at 0x102744EBF: MPI_Alltoallv (alltoallv.c:497) > ==42050== by 0x101510B3E: dist_symbLU (pdsymbfact_distdata.c:539) > ==42050== by 0x10150A5C6: ddist_psymbtonum (pdsymbfact_distdata.c:1275) > ==42050== by 0x1015018C2: pdgssvx (pdgssvx.c:1057) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== Uninitialised value was created by a stack allocation > ==42050== at 0x10150E4C4: dist_symbLU (pdsymbfact_distdata.c:96) > ==42050== > ==42050== Conditional jump or move depends on uninitialised value(s) > ==42050== at 0x1027450B1: MPI_Alltoallv (alltoallv.c:512) > ==42050== by 0x101510B3E: dist_symbLU (pdsymbfact_distdata.c:539) > ==42050== by 0x10150A5C6: ddist_psymbtonum (pdsymbfact_distdata.c:1275) > ==42050== by 0x1015018C2: pdgssvx (pdgssvx.c:1057) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== Uninitialised value was created by a stack allocation > ==42050== at 0x10150E4C4: dist_symbLU (pdsymbfact_distdata.c:96) > ==42050== > ==42050== Conditional jump or move depends on uninitialised value(s) > ==42050== at 0x10283FB06: MPIR_Alltoallv_intra (alltoallv.c:92) > ==42050== by 0x1028407B6: MPIR_Alltoallv (alltoallv.c:343) > ==42050== by 0x102840884: MPIR_Alltoallv_impl (alltoallv.c:380) > ==42050== by 0x10274541B: MPI_Alltoallv (alltoallv.c:531) > ==42050== by 0x101510B3E: dist_symbLU (pdsymbfact_distdata.c:539) > ==42050== by 0x10150A5C6: ddist_psymbtonum (pdsymbfact_distdata.c:1275) > ==42050== by 0x1015018C2: pdgssvx (pdgssvx.c:1057) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== Uninitialised value was created by a stack allocation > ==42050== at 0x10150E4C4: dist_symbLU (pdsymbfact_distdata.c:96) > ==42050== > ==42050== Syscall param writev(vector[...]) points to uninitialised byte(s) > ==42050== at 0x102DA1C3A: writev (in > /usr/lib/system/libsystem_kernel.dylib) > ==42050== by 0x10296A0DC: MPL_large_writev (mplsock.c:32) > ==42050== by 0x10295F6AD: MPIDU_Sock_writev (sock_immed.i:610) > ==42050== by 0x102943FCA: MPIDI_CH3_iSendv (ch3_isendv.c:84) > ==42050== by 0x102934361: MPIDI_CH3_EagerContigIsend (ch3u_eager.c:556) > ==42050== by 0x102939531: MPID_Isend (mpid_isend.c:138) > ==42050== by 0x10277656E: MPI_Isend (isend.c:125) > ==42050== by 0x101524C41: pdgstrf2_trsm (pdgstrf2.c:201) > ==42050== by 0x10151ECBF: pdgstrf (pdgstrf.c:1082) > ==42050== by 0x1015019A5: pdgssvx (pdgssvx.c:1069) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== Address 0x1060144d0 is 1,168 bytes inside a block of size > 131,072 alloc'd > ==42050== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42050== by 0x10153B704: superlu_malloc_dist (memory.c:108) > ==42050== by 0x1014FD7AD: doubleMalloc_dist (dmemory.c:145) > ==42050== by 0x10151DA7D: pdgstrf (pdgstrf.c:735) > ==42050== by 0x1015019A5: pdgssvx (pdgssvx.c:1069) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== Uninitialised value was created by a heap allocation > ==42050== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42050== by 0x10153B704: superlu_malloc_dist (memory.c:108) > ==42050== by 0x1014FD7AD: doubleMalloc_dist (dmemory.c:145) > ==42050== by 0x10151DA7D: pdgstrf (pdgstrf.c:735) > ==42050== by 0x1015019A5: pdgssvx (pdgssvx.c:1069) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== > ==42048== Conditional jump or move depends on uninitialised value(s) > ==42048== at 0x10151F141: pdgstrf (pdgstrf.c:1139) > ==42048== by 0x1015019A5: pdgssvx (pdgssvx.c:1069) > ==42048== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42048== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42048== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42048== by 0x100FF9036: PCSetUp (precon.c:982) > ==42048== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42048== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42048== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42048== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42048== by 0x100001B3C: main (in ./ex19) > ==42048== Uninitialised value was created by a heap allocation > ==42048== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42048== by 0x10153B704: superlu_malloc_dist (memory.c:108) > ==42048== by 0x10150ABE2: ddist_psymbtonum (pdsymbfact_distdata.c:1332) > ==42048== by 0x1015018C2: pdgssvx (pdgssvx.c:1057) > ==42048== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42048== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42048== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42048== by 0x100FF9036: PCSetUp (precon.c:982) > ==42048== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42048== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42048== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42048== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42048== by 0x100001B3C: main (in ./ex19) > ==42048== > ==42049== Conditional jump or move depends on uninitialised value(s) > ==42049== at 0x10151F141: pdgstrf (pdgstrf.c:1139) > ==42049== by 0x1015019A5: pdgssvx (pdgssvx.c:1069) > ==42049== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42049== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42049== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42049== by 0x100FF9036: PCSetUp (precon.c:982) > ==42049== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42049== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42049== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42049== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42049== by 0x100001B3C: main (in ./ex19) > ==42049== Uninitialised value was created by a heap allocation > ==42049== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42049== by 0x10153B704: superlu_malloc_dist (memory.c:108) > ==42049== by 0x10150ABE2: ddist_psymbtonum (pdsymbfact_distdata.c:1332) > ==42049== by 0x1015018C2: pdgssvx (pdgssvx.c:1057) > ==42049== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42049== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42049== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42049== by 0x100FF9036: PCSetUp (precon.c:982) > ==42049== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42049== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42049== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42049== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42049== by 0x100001B3C: main (in ./ex19) > ==42049== > ==42048== Conditional jump or move depends on uninitialised value(s) > ==42048== at 0x101520054: pdgstrf (pdgstrf.c:1429) > ==42048== by 0x1015019A5: pdgssvx (pdgssvx.c:1069) > ==42048== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42048== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42048== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42048== by 0x100FF9036: PCSetUp (precon.c:982) > ==42048== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42048== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42049== Conditional jump or move depends on uninitialised value(s) > ==42048== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42048== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42048== by 0x100001B3C: main (in ./ex19) > ==42048== Uninitialised value was created by a heap allocation > ==42049== at 0x101520054: pdgstrf (pdgstrf.c:1429) > ==42048== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42048== by 0x10153B704: superlu_malloc_dist (memory.c:108) > ==42049== by 0x1015019A5: pdgssvx (pdgssvx.c:1069) > ==42049== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42048== by 0x10150ABE2: ddist_psymbtonum (pdsymbfact_distdata.c:1332) > ==42048== by 0x1015018C2: pdgssvx (pdgssvx.c:1057) > ==42048== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42049== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42049== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42048== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42048== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42049== by 0x100FF9036: PCSetUp (precon.c:982) > ==42049== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42049== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42048== by 0x100FF9036: PCSetUp (precon.c:982) > ==42048== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42048== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42049== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42049== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42048== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42048== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42049== by 0x100001B3C: main (in ./ex19) > ==42049== Uninitialised value was created by a heap allocation > ==42049== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42048== by 0x100001B3C: main (in ./ex19) > ==42048== > ==42049== by 0x10153B704: superlu_malloc_dist (memory.c:108) > ==42049== by 0x10150ABE2: ddist_psymbtonum (pdsymbfact_distdata.c:1332) > ==42049== by 0x1015018C2: pdgssvx (pdgssvx.c:1057) > ==42049== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42049== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42049== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42049== by 0x100FF9036: PCSetUp (precon.c:982) > ==42049== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42049== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42049== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42049== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42049== by 0x100001B3C: main (in ./ex19) > ==42049== > ==42050== Conditional jump or move depends on uninitialised value(s) > ==42050== at 0x10151FDE6: pdgstrf (pdgstrf.c:1382) > ==42050== by 0x1015019A5: pdgssvx (pdgssvx.c:1069) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== Uninitialised value was created by a heap allocation > ==42050== at 0x1000183B1: malloc (vg_replace_malloc.c:303) > ==42050== by 0x10153B704: superlu_malloc_dist (memory.c:108) > ==42050== by 0x10150B241: ddist_psymbtonum (pdsymbfact_distdata.c:1389) > ==42050== by 0x1015018C2: pdgssvx (pdgssvx.c:1057) > ==42050== by 0x1009CFE7A: MatLUFactorNumeric_SuperLU_DIST > (superlu_dist.c:414) > ==42050== by 0x10046CC5C: MatLUFactorNumeric (matrix.c:2946) > ==42050== by 0x100F09F2C: PCSetUp_LU (lu.c:152) > ==42050== by 0x100FF9036: PCSetUp (precon.c:982) > ==42050== by 0x1010F54EB: KSPSetUp (itfunc.c:332) > ==42050== by 0x1010F7985: KSPSolve (itfunc.c:546) > ==42050== by 0x10125541E: SNESSolve_NEWTONLS (ls.c:233) > ==42050== by 0x1011C49B7: SNESSolve (snes.c:3906) > ==42050== by 0x100001B3C: main (in ./ex19) > ==42050== > > > > On Jul 20, 2015, at 12:03 PM, [email protected] wrote: > > > > Ok. So I have been creating the full factorization on each process. That > gives me some hope! > > > > I followed your suggestion and tried to use the runtime option > ‘-mat_superlu_dist_parsymbfact’. > > However, now the program crashes with: > > > > Invalid ISPEC at line 484 in file get_perm_c.c > > > > And so on… > > > > From the SuperLU manual; I should give the option either YES or NO, > however -mat_superlu_dist_parsymbfact YES makes the program crash in the > same way as above. > > Also I can’t find any reference to -mat_superlu_dist_parsymbfact in the > PETSc documentation > > > > Mahir > > > > Mahir Ülker-Kaustell, Kompetenssamordnare, Brokonstruktör, Tekn. Dr, > Tyréns AB > > 010 452 30 82, [email protected] > > > > From: Xiaoye S. Li [mailto:[email protected]] > > Sent: den 20 juli 2015 18:12 > > To: Ülker-Kaustell, Mahir > > Cc: Hong; petsc-users > > Subject: Re: [petsc-users] SuperLU MPI-problem > > > > The default SuperLU_DIST setting is to serial symbolic factorization. > Therefore, what matters is how much memory do you have per MPI task? > > > > The code failed to malloc memory during redistribution of matrix A to > {L\U} data struction (using result of serial symbolic factorization.) > > > > You can use parallel symbolic factorization, by runtime option: > '-mat_superlu_dist_parsymbfact' > > > > Sherry Li > > > > > > On Mon, Jul 20, 2015 at 8:59 AM, [email protected] < > [email protected]> wrote: > > Hong: > > > > Previous experiences with this equation have shown that it is very > difficult to solve it iteratively. Hence the use of a direct solver. > > > > The large test problem I am trying to solve has slightly less than 10^6 > degrees of freedom. The matrices are derived from finite elements so they > are sparse. > > The machine I am working on has 128GB ram. I have estimated the memory > needed to less than 20GB, so if the solver needs twice or even three times > as much, it should still work well. Or have I completely misunderstood > something here? > > > > Mahir > > > > > > > > From: Hong [mailto:[email protected]] > > Sent: den 20 juli 2015 17:39 > > To: Ülker-Kaustell, Mahir > > Cc: petsc-users > > Subject: Re: [petsc-users] SuperLU MPI-problem > > > > Mahir: > > Direct solvers consume large amount of memory. Suggest to try followings: > > > > 1. A sparse iterative solver if [-omega^2M + K] is not too > ill-conditioned. You may test it using the small matrix. > > > > 2. Incrementally increase your matrix sizes. Try different matrix > orderings. > > Do you get memory crash in the 1st symbolic factorization? > > In your case, matrix data structure stays same when omega changes, so > you only need to do one matrix symbolic factorization and reuse it. > > > > 3. Use a machine that gives larger memory. > > > > Hong > > > > Dear Petsc-Users, > > > > I am trying to use PETSc to solve a set of linear equations arising from > Naviers equation (elastodynamics) in the frequency domain. > > The frequency dependency of the problem requires that the system > > > > [-omega^2M + K]u = F > > > > where M and K are constant, square, positive definite matrices (mass and > stiffness respectively) is solved for each frequency omega of interest. > > K is a complex matrix, including material damping. > > > > I have written a PETSc program which solves this problem for a small > (1000 degrees of freedom) test problem on one or several processors, but it > keeps crashing when I try it on my full scale (in the order of 10^6 degrees > of freedom) problem. > > > > The program crashes at KSPSetUp() and from what I can see in the error > messages, it appears as if it consumes too much memory. > > > > I would guess that similar problems have occurred in this mail-list, so > I am hoping that someone can push me in the right direction… > > > > Mahir > > > > > > > > > > > > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
