[petsc-users] PDSLin 2.0.0 example memory corruption error

2017-09-15 Thread Afrah Najib
Hi, I am trying to run the examples of PDSLin 2.0.0[ http://portal.nersc.gov/project/sparse/pdslin/] but I got the following error: :~/pdslin_2.0.0/examples$ mpiexec -n 8 ./dtest input matrices/U.dat input->num_doms = 4 Preconditioner parameters: input->nproc_dcomp = 4

Re: [petsc-users] PDSLin 2.0.0 example memory corruption error

2017-09-15 Thread Matthew Knepley
On Fri, Sep 15, 2017 at 7:00 AM, Afrah Najib wrote: > Hi, > I am trying to run the examples of PDSLin 2.0.0[http://portal.nersc.gov/ > project/sparse/pdslin/] > > but I got the following error: > This is not a PETSc error. PETSc is just catching the signal. I think you

Re: [petsc-users] mg pre-conditioner default setup from PETSc-3.4 to PETSc-3.7

2017-09-15 Thread Barry Smith
$ python Python 2.7.13 (default, Dec 18 2016, 07:03:39) [GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.42.1)] on darwin Type "help", "copyright", "credits" or "license" for more information. MatMult >>> 3.6272e+03 - 2.0894e+03 1537.79997 KSP Solve >>> 3.6329e+03 - 2.0949e+03

Re: [petsc-users] SLEPC - Hermitian matrix gives complex eigenvalues

2017-09-15 Thread Jose E. Roman
I computed it with Matlab. You could also count the zero eigenvalues computed by SLEPc. Jose > El 15 sept 2017, a las 0:09, Pandey, Siddhant escribió: > > How do I calculate the rank of my A matrix? I couldn't find anything in PETSC > documentation. It seems like a mumps