[petsc-dev] Fwd: no petsc on Edison

Mark Adams mfadams at lbl.gov
Wed Jan 11 15:17:08 CST 2017


On Wed, Jan 11, 2017 at 3:55 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
> > On Jan 11, 2017, at 2:41 PM, Kong, Fande <fande.kong at inl.gov> wrote:
> >
> > We do not run the code with Satish's fixes, instead, we are using
> petsc-3.7.3 and there are not such issues. I guess the issues are
> introduced recently.
>
>   Ok, then I am confused. Maybe master fixes the problem?
>
>
It looks like master still has 'aN=A->cmap->N' and

ierr = PetscTableCreate(aN,aN,&ta);CHKERRQ(ierr);




>
> >
> > Fande,
> >
> > On Wed, Jan 11, 2017 at 1:31 PM, Mark Adams <mfadams at lbl.gov> wrote:
> > Argh, yes that has to be the local size or a least not the global size.
> >
> > On Wed, Jan 11, 2017 at 3:15 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> > >>>
> > aN=A->cmap->N
> > ierr = PetscTableCreate(aN,aN,&ta);CHKERRQ(ierr);
> > <<<
> >
> > Looks like thats a 'global' size. That doesn't look right.
> >
> > https://bitbucket.org/petsc/petsc/commits/c373ccc6#chg-
> src/mat/impls/aij/mpi/mpimatmatmult.c
> >
> > I see Hong had previously updated this code. Will have to recheck..
> >
> > Satish
> >
> > On Wed, 11 Jan 2017, Mark Adams wrote:
> >
> > > >
> > > >
> > > > Must be the same place Fande encountered this error.
> > > >
> > > >
> > > Satish, here is our stack trace. Do you have any thoughts vis-a-vis
> Fande's
> > > experience what the problem is here?  My best guess is that the local
> > > matrix size is huge, but this code can have some very large stencils.
> > >
> > > Treb: about how many processors have this error? Is is it just one, a
> few,
> > > or tons?
> > >
> > > [5]PETSC ERROR: Argument out of range
> > > [5]PETSC ERROR: A really huge hash is being requested.. cannot process:
> > > 67108864
> > > [5]PETSC ERROR: See http://www.mcs.anl.gov/petsc/
> documentation/faq.html for
> >
> > > trouble shooting.
> > > [5]PETSC ERROR: Petsc Development GIT revision: v3.7.4-2584-g7175242
> GIT
> > > Date: 2016-12-21 13:19:16 -0600
> > > [5]PETSC ERROR: /tmp/targetExec on a arch-xc30-dbg64-intel named
> nid00013
> > > by u6338 Sat Jan  7 18:35:34 2017
> > > [5]PETSC ERROR: Configure options --COPTFLAGS="-O0 -g -no-ipo"
> > > --CXXOPTFLAGS="-O0 -g -no-ipo" --FOPTFLAGS="-O0 -g -ipo"
> > > --download-parmetis --download-metis --download-hypre --with-ssl=0
> > > --with-cc=cc --with-clib-autodetect=0 --with-cxx=CC
> > > --with-cxxlib-autodetect=0 --with-debugging=1 --with-fc=ftn
> > > --with-fortranlib-autodetect=0 --with-shared-libraries=0 --with-x=0
> > > --with-mpiexec=srun LIBS=-lstdc++ --with-64-bit-indices
> > > --prefix=/global/homes/m/madams/petsc_install/petscv3.7-xc3[1983]PETSC
> > > ERROR: --------------------- Error Message
> ------------------------------
> > > --------------------------------
> > >
> > > [5]PETSC ERROR: [522]PETSC ERROR: --------------------- Error Message
> > > ----------
> > >
> > > [5]PETSC ERROR: #2 PetscTableCreate() line 52 in
> > > /global/u2/m/madams/petsc_install/petsc/src/sys/utils/ctable.c
> > > [5]PETSC ERROR: #3 MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ() line
> 1691 in
> > > /global/u2/m/madams/petsc_install/petsc/src/mat/impls/aij/
> > > mpi/mpimatmatmult.c
> > > [5]PETSC ERROR: #4 MatTransposeMatMult_MPIAIJ_MPIAIJ() line 917 in
> > > /global/u2/m/madams/petsc_install/petsc/src/mat/impls/aij/
> > > mpi/mpimatmatmult.c
> > > [5]PETSC ERROR: [608]PETSC ERROR: --------------------- Error Message
> > > ----------
> > >
> > > [5]PETSC ERROR: #6 PCGAMGCoarsen_AGG() line 955 in
> > > /global/u2/m/madams/petsc_install/petsc/src/ksp/pc/impls/gamg/agg.c
> > > [5]PETSC ERROR: #7 PCSetUp_GAMG() line 524 in
> /global/u2/m/madams/petsc_inst
> > > all/petsc/src/ksp/pc/impls/gamg/gamg.c
> > > [5]PETSC ERROR: #8 PCSetUp() line 968 in /global/u2/m/madams/petsc_inst
> > > all/petsc/src/ksp/pc/interface/precon.c
> > > [5]PETSC ERROR: #9 KSPSetUp() line 393 in
> /global/u2/m/madams/petsc_inst
> > > all/petsc/src/ksp/ksp/interface/itfunc.c
> > > [5]PETSC ERROR: [1640]PETSC ERROR: --------------------- Error Message
> -----
> > >
> > >
> > > > MatSetUpMultiply_MPIAIJ() does:
> > > >
> > > >   ierr = PetscTableCreate(aij->B->rmap-
> >n,mat->cmap->N+1,&gid1_lid1);
> > > > CHKERRQ(ierr);
> > > >
> > > > So the local matrix size (n) must be: 4294967296
> > > >
> > > > [assuming atleast one nonzero per row - the local matrix itself must
> use
> > > > more memory than the hash-table..]
> > > >
> > > > Satish
> > > >
> > >
> >
> >
> >
>
>
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