[petsc-users] slepc NHEP error

[Kannan, Ramakrishnan]

Hello,

I am running NHEP across 16 MPI processors over 16 nodes in a matrix of global size of 1,000,000x1,000,000 with approximately global 16,000,000 non-zeros. Each node has approximately 1million non-zeros.

The following is my slepc code for EPS.

PetscInt nev;
ierr = EPSCreate(PETSC_COMM_WORLD, &eps);  // CHKERRQ(ierr);
ierr = EPSSetOperators(eps, A, NULL);  // CHKERRQ(ierr);
ierr = EPSSetProblemType(eps, EPS_NHEP);  // CHKERRQ(ierr);
EPSSetWhichEigenpairs(eps, EPS_LARGEST_REAL);
EPSSetDimensions(eps, 100, PETSC_DEFAULT, PETSC_DEFAULT);
PRINTROOT("calling epssolve");
ierr = EPSSolve(eps);  // CHKERRQ(ierr);
ierr = EPSGetType(eps, &type);  // CHKERRQ(ierr);
ierr = PetscPrintf(PETSC_COMM_WORLD, " Solution method: %s\n\n", type);
// CHKERRQ(ierr);
ierr = EPSGetDimensions(eps, &nev, NULL, NULL);  // CHKERRQ(ierr);
ierr = PetscPrintf(PETSC_COMM_WORLD,
                       " Number of requested eigenvalues: %D\n",
                       nev);  // CHKERRQ(ierr);

I am getting the following error. Attached is the entire error file for your reference. Please let me know what should I fix in this code.

2]PETSC ERROR: Argument out of range
[2]PETSC ERROR: Argument 2 out of range
[2]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.
[2]PETSC ERROR: Petsc Release Version 3.7.4, Oct, 02, 2016
[2]PETSC ERROR: ./miniapps on a sandybridge named nid00300 by d3s Wed Jun 14 15:32:00 2017
[13]PETSC ERROR: #1 BVDotVec_BLAS_Private() line 272 in /autofs/nccs-svm1_home1/ramki/libraries/slepc-3.7.3/src/sys/classes/bv/interface/bvblas.c
[13]PETSC ERROR: #2 BVDotVec_Svec() line 150 in /autofs/nccs-svm1_home1/ramki/libraries/slepc-3.7.3/src/sys/classes/bv/impls/svec/svec.c
[13]PETSC ERROR: #3 BVDotVec() line 191 in /autofs/nccs-svm1_home1/ramki/libraries/slepc-3.7.3/src/sys/classes/bv/interface/bvglobal.c
[13]PETSC ERROR: #4 BVOrthogonalizeCGS1() line 81 in /autofs/nccs-svm1_home1/ramki/libraries/slepc-3.7.3/src/sys/classes/bv/interface/bvorthog.c
[13]PETSC ERROR: #5 BVOrthogonalizeCGS() line 214 in /autofs/nccs-svm1_home1/ramki/libraries/slepc-3.7.3/src/sys/classes/bv/interface/bvorthog.c
[13]PETSC ERROR: #6 BVOrthogonalizeColumn() line 371 in /autofs/nccs-svm1_home1/ramki/libraries/slepc-3.7.3/src/sys/classes/bv/interface/bvorthog.c
[13]PETSC ERROR: #7 EPSBasicArnoldi() line 59 in /autofs/nccs-svm1_home1/ramki/libraries/slepc-3.7.3/src/eps/impls/krylov/epskrylov.c
[13]PETSC ERROR: #8 EPSSolve_KrylovSchur_Default() line 203 in /autofs/nccs-svm1_home1/ramki/libraries/slepc-3.7.3/src/eps/impls/krylov/krylovschur/krylovschur.c
[13]PETSC ERROR: #9 EPSSolve() line 101 in /autofs/nccs-svm1_home1/ramki/libraries/slepc-3.7.3/src/eps/interface/epssolve.c

--
Regards,
Ramki

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