[petsc-dev] Running on KNC

hong at aspiritech.org hong at aspiritech.org
Thu Nov 6 11:40:48 CST 2014


I wrote runex52_superlu with '-use_superlu_ilu' because only superlu
(sequential) supports ilu, not superlu_dist.

Hong

On Thu, Nov 6, 2014 at 10:17 AM, Mark Adams <mfadams at lbl.gov> wrote:

> ex52 sets SuperLU explicitly (appended) and yes I did modify the runex52
> rule.  I have it running now with superlu_dist.
> Thanks,
> Mark
>
>     ierr = KSPSetType(ksp,KSPPREONLY);CHKERRQ(ierr);
>     PC  pc;
>     Mat F;
>     ierr = KSPGetPC(ksp,&pc);CHKERRQ(ierr);
>     if (flg) {
>       ierr = PCSetType(pc,PCLU);CHKERRQ(ierr);
>     } else if (flg_ilu) {
>       ierr = PCSetType(pc,PCILU);CHKERRQ(ierr);
>     }
>     ierr = PCFactorSetMatSolverPackage(pc,MATSOLVERSUPERLU);CHKERRQ(ierr);
>     ierr = PCFactorSetUpMatSolverPackage(pc);CHKERRQ(ierr); /* call
> MatGetFactor() to create F */
>     ierr = PCFactorGetMatrix(pc,&F);CHKERRQ(ierr);
>     ierr = MatSuperluSetILUDropTol(F,1.e-8);CHKERRQ(ierr);
>
> On Thu, Nov 6, 2014 at 8:01 AM, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>>
>> > Matrix format mpiaij does not have a solver package superlu for LU.
>>
>>    SuperLU is not parallel, it does not work with mpiaij matrix.
>>
>>    Did you modify the runex52_superlu  rule in the makefile or something
>> to run on 2 processors? In master it looks like
>> runex52_superlu:
>>         -@${MPIEXEC} -n 1 ./ex52 -use_superlu_ilu > ex52.tmp 2>&1;
>>
>>
>>    If you want to run on two processors you need to use superlu_dist
>>
>>   Barry
>>
>> > On Nov 6, 2014, at 5:54 AM, Mark Adams <mfadams at lbl.gov> wrote:
>> >
>> > I am running on KNC and ex52 is sort of running, SuperLU runs on one
>> processor, but fails with this message on 2 procs.  The error message
>> suggests downloading superLU but you can see that it was downloaded.  Any
>> ideas?
>> >
>> > Mark
>> >
>> > 03:19 bc0915 master ~/petsc/src/ksp/ksp/examples/tutorials$ make
>> runex52_superlu PETSC_DIR=/global/homes/m/madams/petsc
>> > make: Warning: File `makefile' has modification time 19 s in the future
>> > [0]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> > [0]PETSC ERROR: No support for this operation for this object type
>> > [0]PETSC ERROR: Matrix format mpiaij does not have a solver package
>> superlu for LU. Perhaps you must ./configure with --download-superlu
>> > [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>> for trouble shooting.
>> > [0]PETSC ERROR: Petsc Development GIT revision: v3.5-25-g0ace994  GIT
>> Date: 2014-07-07 14:50:15 +0200
>> > [0]PETSC ERROR: ./ex52 on a arch-knc-opt named bc0915-mic0 by madams
>> Thu Nov  6 03:20:04 2014
>> > [0]PETSC ERROR: Configure options --known-level1-dcache-size=32768
>> --known-level1-dcache-linesize=32 --known-level1-dcache-assoc=0
>> --known-memcmp-ok=1 --known-sizeof-char=1 --known-sizeof-void-p=8
>> --known-sizeof-short=2 --known-sizeof-int=4 --known-sizeof-long=8
>> --known-sizeof-long-long=8 --known-sizeof-float=4 --known-sizeof-double=8
>> --known-sizeof-size_t=8 --known-bits-per-byte=8 --known-sizeof-MPI_Comm=4
>> --known-sizeof-MPI_Fint=4 --known-mpi-long-double=1 --known-mpi-int64_t=1
>> --known-mpi-c-double-complex=1 --download-parmetis --download-metis
>> --download-superlu_dist --download-superlu --with-batch=1 --CFLAGS="-mmic
>> -mkl -fp-model precise" --CXXFLAGS="-mmic -mkl -fp-model precise"
>> --FFLAGS="-mmic -mkl -fp-model precise" --with-cc=mpiicc --with-cxx=mpiicpc
>> --with-fc=mpiifort --known-mpi-shared-libraries=1 --with-shared-libraries=0
>> --with-x=0 --with-debugging=0 PETSC_ARCH=arch-knc-opt
>> PETSC_DIR=/global/homes/m/madams/petsc
>> > [0]PETSC ERROR: #1 MatGetFactor() line 3962 in
>> /chos/global/u2/m/madams/petsc/src/mat/interface/matrix.c
>> > [0]PETSC ERROR: #2 PCFactorSetUpMatSolverPackage_Factor() line 16 in
>> /chos/global/u2/m/madams/petsc/src/ksp/pc/impls/factor/factimpl.c
>> > [0]PETSC ERROR: #3 PCFactorSetUpMatSolverPackage() line 26 in
>> /chos/global/u2/m/madams/petsc/src/ksp/pc/impls/factor/factor.c
>> > [0]PETSC ERROR: #4 main() line 209 in
>> /global/homes/m/madams/petsc/src/ksp/ksp/examples/tutorials/ex52.c
>> > [0]PETSC ERROR: ----------------End of Error Message -------send entire
>> error message to petsc-maint at mcs.anl.gov----------
>> > application called MPI_Abort(MPI_COMM_WORLD, 56) - process 0
>> > APPLICATION TERMINATED WITH THE EXIT STRING: Interrupt (signal 2)
>>
>>
>
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