Re: [Libmesh-users] PETSC ERROR

2018-09-07 Thread Paul T. Bauman
On Fri, Sep 7, 2018 at 3:26 AM Nikhil Vaidya wrote: > I am trying to make some manipulations to sparse matrices. I have a > function that sets some pre-determined entries in a sparse matrix to a > pre-determined value. I have multiple sparse matrices to which I apply this > procedure. None of the

[Libmesh-users] PETSC ERROR

2018-09-07 Thread Nikhil Vaidya
I am trying to make some manipulations to sparse matrices. I have a function that sets some pre-determined entries in a sparse matrix to a pre-determined value. I have multiple sparse matrices to which I apply this procedure. None of the said sparse matrices contain non-zero elements at (0,0) befor

[Libmesh-users] petsc error SEGV: Segmentation Violation

2016-07-01 Thread 张江
Hi, I am trying to read a large data (11.7GB) with libmesh and use it for my application. The program runs well when using just one process. But in parallel (mpirun -n 4), after executing a while, some errors came out: [0]PETSC ERROR: ---