[petsc-dev] PETSc Error during VecScatterCreate after MUMPS solve

[Matthew Knepley]

On Thu, Sep 28, 2023 at 4:09 PM Jaysaval, Piyoosh via petsc-dev <
petsc-dev at mcs.anl.gov> wrote:

> Hello PETSc developers,
>
>
>
> I am having some issues with using MUMPS solver after the solution phase
> from PETSc. I am solving a matrix equation with about 2.17 million DOFs and
> for 1764 RHSs. MUMPS successfully solves the system for all RHS; however,
> after the solve phase the distributed solution from MUMPS vector/matrix is
> scattered back to PETSc mpi vector (done within PETSc) and this is where I
> am getting the error.
>
>
>
> FYI, when I use 1323 RHSs, there is no issue. Moreover, I had to use
> v3.18.6 (or lower) because of some compiling issue with v3.19+ and
> SuperLU_DIST on our cluster with older intel mpi.
>
>
>
> Any help is greatly appreciated. Thanks.
>

Have you configured with 64-bit indices?

  Thanks,

     Matt


> Piyoosh
>
>
>
> Here’s is the error message I am getting:
>
>
>
> Entering ZMUMPS 5.5.1 from C interface with JOB, N =   3     2165687
>
>       executing #MPI =     63 and #OMP =      1
>
>
>
>
>
>
>
>  ****** SOLVE & CHECK STEP ********
>
>
>
>  GLOBAL STATISTICS PRIOR SOLVE PHASE ...........
>
>  Number of right-hand-sides                    =        1764
>
>  Blocking factor for multiple rhs              =          32
>
>  ICNTL (9)                                     =           1
>
>   --- (10)                                     =           0
>
>   --- (11)                                     =           0
>
>   --- (20)                                     =           1
>
>   --- (21)                                     =           1
>
>   --- (30)                                     =           0
>
>   --- (35)                                     =           0
>
>  ** Rank of processor needing largest memory in solve     :         5
>
>  ** Space in MBYTES used by this processor for solve      :      1173
>
>  ** Avg. Space in MBYTES per working proc during solve    :       820
>
>
>
>  Leaving solve with ...
>
>  Time to build/scatter RHS        =       0.130768
>
>  Time in solution step (fwd/bwd)  =      41.264175
>
>   .. Time in forward (fwd) step   =         11.261921
>
>   .. Time in ScaLAPACK root       =          3.584752
>
>   .. Time in backward (bwd) step  =         26.515026
>
>  Time to gather solution(cent.sol)=       0.000000
>
>  Time to copy/scale dist. solution=       0.724149
>
>
>
>  Elapsed time in solve driver=      42.3461
>
>
>
> [23]PETSC ERROR: --------------------- Error Message
> --------------------------------------------------------------
>
> [23]PETSC ERROR: Argument out of range
>
> [23]PETSC ERROR: Scatter indices in iy are out of range
>
> [23]PETSC ERROR: See https://petsc.org/release/faq/ for trouble shooting.
>
> [23]PETSC ERROR: Petsc Release Version 3.18.6, unknown
>
> [23]PETSC ERROR: /people/jays242/softwares/pgemini-em/pgemini/src/pgemini
> on a arch-linux-intel-opt-v3.18.6 named dc230.local by jays242 Thu Sep 28
> 10:44:51 2023
>
> [23]PETSC ERROR: Configure options PETSC_ARCH=arch-linux-intel-opt-v3.18.6
> --with-debugging=0 COPTFLAGS=-O3 CXXOPTFLAGS=-O3 FOPTFLAGS=-O3
> --with-cc=mpiicc --with-cxx=mpiicpc --with-fc=mpiifort
> --with-blaslapack-dir=/share/apps/intel/2020u4/compilers_and_libraries_2020.4.304/linux/mkl/lib/intel64
> -with-scalar-type=complex --download-mumps --download-metis --with-openmp
> --download-parmetis --download-superlu_dist
> --with-scalapack-lib="-L/share/apps/intel/2020u4/compilers_and_libraries_2020.4.304/linux/mkl/lib/intel64
> -lmkl_scalapack_lp64 -lmkl_blacs_intelmpi_lp64"
>
> [23]PETSC ERROR: #1 VecScatterCreate() at
> /qfs/people/jays242/softwares/pgemini-em/petsc-intel/src/vec/is/sf/interface/vscat.c:736
>
> [23]PETSC ERROR: #2 MatMatSolve_MUMPS() at
> /qfs/people/jays242/softwares/pgemini-em/petsc-intel/src/mat/impls/aij/mpi/mumps/mumps.c:1449
>
> [23]PETSC ERROR: #3 MatMatTransposeSolve_MUMPS() at
> /qfs/people/jays242/softwares/pgemini-em/petsc-intel/src/mat/impls/aij/mpi/mumps/mumps.c:1506
>
> [23]PETSC ERROR: #4 MatMatTransposeSolve() at
> /qfs/people/jays242/softwares/pgemini-em/petsc-intel/src/mat/interface/matrix.c:3789
>
> [24]PETSC ERROR: --------------------- Error Message ---------------
>
>
>
>
>
>
>


-- 
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

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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