[petsc-dev] Fwd: no petsc on Edison

[Satish Balay]

>>>
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
> >
>