> > > 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 >
