Hello, I want to use CISS for my eigenvalue problem. To test it I tried a simple (2x2) matrix case, but the code failed with the following message:
[0]PETSC ERROR: --------------------- Error Message -------------------------------------------------------------- [0]PETSC ERROR: Error in external library [0]PETSC ERROR: Error in LAPACK subroutine gesvd: info=127 [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting. [0]PETSC ERROR: Petsc Release Version 3.8.4, Mar, 24, 2018 [0]PETSC ERROR: var1 on a linux-complex named brown-a027.rcac.purdue.edu by mpovolot Thu Jul 11 13:28:21 2019 [0]PETSC ERROR: Configure options --with-scalar-type=complex --with-x=0 --with-hdf5 --download-hdf5=1 --with-single-library=1 --with-pic=1 --with-shared-libraries=0 --with-log=0 --with-clanguage=C++ --CXXFLAGS="-fopenmp -fPIC" --CFLAGS="-fopenmp -fPIC" --with-fortran=0 --FFLAGS="-fopenmp -fPIC" --with-debugging=0 --with-cc=mpicc --with-fc=mpif90 --with-cxx=mpicxx COPTFLAGS= CXXOPTFLAGS= FOPTFLAGS= --download-metis=1 --download-parmetis=1 --with-valgrind-dir=/apps/brown/valgrind/3.13.0_gcc-4.8.5 --download-mumps=1 --with-fortran-kernels=0 --download-superlu_dist=1 --with-blaslapack-lib="-L/apps/cent7/intel/compilers_and_libraries_2017.1.132/linux/mkl/lib/intel64 -lmkl_intel_lp64 -lmkl_gnu_thread -lmkl_core " --with-blacs-lib=/apps/cent7/intel/compilers_and_libraries_2017.1.132/linux/mkl/lib/intel64/libmkl_blacs_intelmpi_lp64.so --with-blacs-include=/apps/cent7/intel/compilers_and_libraries_2017.1.132/linux/mkl/include --with-scalapack-lib="-Wl,-rpath,/apps/cent7/intel/compilers_and_libraries_2017.1.132/linux/mkl/lib/intel64 -L/apps/cent7/intel/compilers_and_libraries_2017.1.132/linux/mkl/lib/intel64 -lmkl_gf_lp64 -lmkl_gnu_thread -lmkl_core -lpthread -L/apps/cent7/intel/compilers_and_libraries_2017.1.132/linux/mkl/lib/intel64 -lmkl_scalapack_lp64 -lmkl_blacs_intelmpi_lp64" --with-scalapack-include=/apps/cent7/intel/compilers_and_libraries_2017.1.132/linux/mkl/include [0]PETSC ERROR: #1 SVD_S() line 611 in /depot/kildisha/apps/brown/nemo5/libs/slepc/build-cplx/src/eps/impls/ciss/ciss.c [0]PETSC ERROR: #2 EPSSolve_CISS() line 1028 in /depot/kildisha/apps/brown/nemo5/libs/slepc/build-cplx/src/eps/impls/ciss/ciss.c [0]PETSC ERROR: #3 EPSSolve() line 147 in /depot/kildisha/apps/brown/nemo5/libs/slepc/build-cplx/src/eps/interface/epssolve.c Here is the code: void test1() { Mat matrix_petsc; MatCreateDense(MPI_COMM_SELF,2,2,PETSC_DECIDE,PETSC_DECIDE,NULL,&matrix_petsc); MatSetValue(matrix_petsc,0,0,complex<double>(1,0),INSERT_VALUES); MatSetValue(matrix_petsc,1,1,complex<double>(2,0),INSERT_VALUES); MatSetValue(matrix_petsc,0,1,complex<double>(0,0),INSERT_VALUES); MatSetValue(matrix_petsc,1,0,complex<double>(0,0),INSERT_VALUES); MatAssemblyBegin(matrix_petsc, MAT_FINAL_ASSEMBLY); MatAssemblyEnd(matrix_petsc, MAT_FINAL_ASSEMBLY); { EPS eps; EPSType type; RG rg; EPSCreate(MPI_COMM_SELF,&eps); EPSSetOperators( eps,matrix_petsc,NULL); EPSSetType(eps,EPSCISS); EPSSetProblemType(eps, EPS_NHEP); double real_min = -10; double real_max = 10; double imag_min = -10; double imag_max = 10; EPSGetRG(eps,&rg); RGSetType(rg,RGINTERVAL); RGIntervalSetEndpoints(rg,real_min,real_max,imag_min,imag_max); EPSSolve(eps); EPSDestroy(&eps); } MatDestroy(&matrix_petsc); } Do you see anything wrong in the way I'm calling SLEPC functions? Thank you, Michael.
